{"id":123171,"date":"2026-11-06T18:16:40","date_gmt":"2026-11-06T10:16:40","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/123171.html"},"modified":"2026-11-06T18:16:40","modified_gmt":"2026-11-06T10:16:40","slug":"%e9%87%8d%e5%bb%ba%e7%b4%a2%e5%bc%95%e7%9a%84%e9%82%a3%e4%b8%a4%e4%b8%aa%e5%b0%8f%e6%97%b6%e7%ba%bf%e4%b8%8a%e4%b8%8d%e8%83%bd%e5%81%9c%ef%bc%9a%e5%8f%8c%e5%86%99%e7%aa%97%e5%8f%a3%e3%80%81%e5%88%ab","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/123171.html","title":{"rendered":"\u91cd\u5efa\u7d22\u5f15\u7684\u90a3\u4e24\u4e2a\u5c0f\u65f6\u7ebf\u4e0a\u4e0d\u80fd\u505c\uff1a\u53cc\u5199\u7a97\u53e3\u3001\u522b\u540d\u539f\u5b50\u5207\u6362\u4e0e\u65b0\u65e7\u7d22\u5f15\u7b54\u6848\u4e00\u81f4\u6027\u62bd\u6837"},"content":{"rendered":"<p>        \/* MD \/ \u5bcc\u6587\u672c\u4e2d\u7684 .toc\uff08\u542b\u535a\u5ba2\u56ed\u642c\u5bb6\u7b49\u5d4c\u5957\u7ed3\u6784\uff09\uff1b.toc-box \u5728\u4fa7\u680f\uff0c\u4e0d\u53d7\u5f71\u54cd *\/<br \/>\n     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revision\u3002<\/p>\n<p>\u7528 \u2265 \u4e0d\u7528 &#061;&#061;&#xff0c;\u662f\u56e0\u4e3a\u65e7\u7d22\u5f15\u53ef\u80fd\u521a\u521a\u88ab\u5220\u9664&#xff0c;\u65b0\u7d22\u5f15\u8fd8\u6ca1\u6765\u5f97\u53ca\u540c\u6b65\u5893\u7891\u3002\u8fd9\u4e2a\u4e0d\u53d8\u91cf\u7684\u6210\u7acb\u4e0d\u4f9d\u8d56\u5199\u5165\u987a\u5e8f&#xff0c;\u53ea\u4f9d\u8d56\u6bcf\u6b21\u5199\u5165\u524d\u505a\u4e00\u6b21\u7248\u672c\u6bd4\u8f83\u3002<\/p>\n<p>\u7248\u672c\u53f7\u5fc5\u987b\u7531\u4e1a\u52a1\u4fa7\u63d0\u4f9b&#xff0c;\u4e0d\u80fd\u4ece\u5b58\u50a8\u91cc\u53d6\u3002Elasticsearch \u7684 _seq_no \u5728\u5355\u4e2a\u7d22\u5f15\u5185\u5355\u8c03&#xff0c;\u4f46\u65b0\u65e7\u7d22\u5f15\u7684 _seq_no \u8bed\u4e49\u5b8c\u5168\u4e0d\u540c&#xff0c;\u91cd\u5efa\u540e\u539f\u503c\u4e5f\u4e22\u4e86&#xff0c;\u62ff\u6765\u6bd4\u8f83\u6ca1\u6709\u610f\u4e49\u3002_version \u5728\u6587\u6863\u88ab\u5220\u9664\u540e\u91cd\u5efa\u65f6\u4f1a\u91cd\u7f6e&#xff0c;\u540c\u6837\u4e0d\u53ef\u9760\u3002\u7528 updated_at \u65f6\u95f4\u6233\u4e5f\u4e0d\u884c&#xff1a;\u6279\u91cf\u5bfc\u5165\u65f6\u540c\u4e00\u79d2\u5185\u51e0\u767e\u6761\u5199\u5165\u4f1a\u649e\u65f6\u95f4&#xff0c;\u56de\u586b\u91cd\u5199\u4f1a\u5237\u65b0\u8fd9\u4e2a\u5b57\u6bb5&#xff0c;\u673a\u5668\u65f6\u949f\u8fd8\u53ef\u80fd\u56de\u62e8\u3002\u552f\u4e00\u53ef\u9760\u7684\u662f\u4e00\u4e2a\u7531\u5199\u8def\u5f84\u643a\u5e26\u3001\u5355\u8c03\u9012\u589e\u7684\u6574\u6570 revision\u3002<\/p>\n<p>Elasticsearch \u7684 external version \u6b63\u597d\u80fd\u8868\u8fbe\u201c\u4e25\u683c\u5927\u4e8e\u624d\u5199\u201d&#xff1a;<\/p>\n<p>PUT \/docs_v2\/_doc\/X?version&#061;7&amp;version_type&#061;external<\/p>\n<p>\u5982\u679c\u65b0\u7d22\u5f15\u91cc\u5df2\u6709\u7684\u7248\u672c \u2265 7&#xff0c;\u8fd4\u56de 409 version_conflict_engine_exception\u3002version_type&#061;external \u8981\u6c42\u7ed9\u5b9a\u7248\u672c\u4e25\u683c\u5927\u4e8e\u5f53\u524d\u7248\u672c&#xff1b;external_gte \u5141\u8bb8\u76f8\u7b49\u3002\u56de\u586b\u8def\u5f84\u7528 external&#xff0c;\u53cc\u5199\u8def\u5f84\u7528 external&#xff0c;\u5bf9\u8d26\u8865\u5199\u4e5f\u7528 external&#xff0c;\u4e09\u6761\u8def\u5f84\u5c31\u7edf\u4e00\u5230\u4e86\u540c\u4e00\u4e2a\u4ef2\u88c1\u89c4\u5219\u4e0a&#xff0c;\u8c01\u90fd\u4e0d\u4f1a\u8986\u76d6\u66f4\u65b0\u7684\u7248\u672c\u3002<\/p>\n<p>\u5220\u9664\u8981\u5355\u72ec\u5904\u7406\u3002 \u76f4\u63a5 DELETE \u4f1a\u628a\u6587\u6863\u7684\u7248\u672c\u8bb0\u5fc6\u4e00\u8d77\u6e05\u6389&#xff0c;\u800c\u7248\u672c\u8bb0\u5fc6\u53ea\u4fdd\u7559 index.gc_deletes \u79d2&#xff08;\u9ed8\u8ba4 60 \u79d2&#xff09;\u3002\u5220\u9664 60 \u79d2\u4e4b\u540e&#xff0c;\u4e00\u6761 revision \u5f88\u4f4e\u7684\u56de\u586b\u5199\u5165\u80fd\u628a\u8fd9\u4efd\u6587\u6863\u91cd\u65b0\u201c\u590d\u6d3b\u201d\u5230\u65b0\u7d22\u5f15\u91cc\u3002\u7a33\u7684\u505a\u6cd5\u662f\u5199\u5893\u7891&#xff1a;\u4e0d\u771f\u5220&#xff0c;\u5199\u4e00\u6761\u5e26 _deleted: true \u548c revision \u7684\u6587\u6863&#xff0c;\u68c0\u7d22\u65f6\u7528 filter \u6392\u9664&#xff0c;\u89c2\u5bdf\u671f\u7ed3\u675f\u540e\u518d\u7269\u7406\u6e05\u7406\u3002\u5893\u7891\u628a\u5220\u9664\u4e5f\u7eb3\u5165\u4e86\u7248\u672c\u4ef2\u88c1&#xff0c;\u4ee3\u4ef7\u662f\u7d22\u5f15\u91cc\u591a\u7559\u4e00\u4efd\u5360\u4f4d\u6587\u6863\u3002<\/p>\n<p>\u8fd8\u6709\u4e00\u4e2a\u51b3\u5b9a\u6bd4\u7248\u672c\u53f7\u66f4\u5bb9\u6613\u88ab\u505a\u9519&#xff1a;\u53cc\u5199\u4ec0\u4e48\u65f6\u5019\u505c\u3002 \u76f4\u89c9\u662f\u201c\u56de\u586b\u5b8c\u6210\u5c31\u505c\u201d&#xff0c;\u8fd9\u4e5f\u662f\u5f00\u5934\u90a3\u6b21\u4e8b\u6545\u7684\u76f4\u63a5\u539f\u56e0\u3002\u6b63\u786e\u7684\u505c\u70b9\u662f\u201c\u5207\u6362\u5b8c\u6210 &#043; \u89c2\u5bdf\u671f\u7ed3\u675f &#043; \u786e\u8ba4\u4e0d\u518d\u9700\u8981\u56de\u6eda\u201d\u3002\u5728\u89c2\u5bdf\u671f\u7ed3\u675f\u4e4b\u524d&#xff0c;\u65e7\u7d22\u5f15\u5fc5\u987b\u4fdd\u6301\u5b8c\u6574&#xff0c;\u56e0\u4e3a\u5b83\u662f\u552f\u4e00\u80fd\u5728\u51e0\u79d2\u5185\u9000\u56de\u53bb\u7684\u8def\u5f84\u3002\u53cc\u5199\u591a\u8dd1\u4e00\u5929\u7684\u6210\u672c\u662f\u4e00\u5929\u4e24\u500d\u7684\u5199\u653e\u5927&#xff0c;\u56de\u6eda\u7a97\u53e3\u5173\u6389\u7684\u6210\u672c\u662f\u4e00\u6b21\u4e0d\u53ef\u63a7\u7684\u6570\u636e\u8865\u9f50\u3002<\/p>\n<h3>3. \u5199\u5165\u3001\u56de\u586b\u3001\u62bd\u6837\u4e09\u6761\u94fe\u8def\u7684\u4ea4\u6c47<\/h3>\n<p>#mermaid-svg-hxszyzqjghCJGMDI{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#mermaid-svg-hxszyzqjghCJGMDI .edge-animation-slow{stroke-dasharray:9,5!important;stroke-dashoffset:900;animation:dash 50s linear 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ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-hxszyzqjghCJGMDI p{margin:0;}#mermaid-svg-hxszyzqjghCJGMDI .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-hxszyzqjghCJGMDI .cluster-label text{fill:#333;}#mermaid-svg-hxszyzqjghCJGMDI .cluster-label span{color:#333;}#mermaid-svg-hxszyzqjghCJGMDI .cluster-label span p{background-color:transparent;}#mermaid-svg-hxszyzqjghCJGMDI .label text,#mermaid-svg-hxszyzqjghCJGMDI span{fill:#333;color:#333;}#mermaid-svg-hxszyzqjghCJGMDI .node rect,#mermaid-svg-hxszyzqjghCJGMDI .node circle,#mermaid-svg-hxszyzqjghCJGMDI .node ellipse,#mermaid-svg-hxszyzqjghCJGMDI .node polygon,#mermaid-svg-hxszyzqjghCJGMDI .node path{fill:#ECECFF;stroke:#9370DB;stroke-width:1px;}#mermaid-svg-hxszyzqjghCJGMDI .rough-node .label text,#mermaid-svg-hxszyzqjghCJGMDI .node .label text,#mermaid-svg-hxszyzqjghCJGMDI .image-shape .label,#mermaid-svg-hxszyzqjghCJGMDI .icon-shape .label{text-anchor:middle;}#mermaid-svg-hxszyzqjghCJGMDI .node .katex path{fill:#000;stroke:#000;stroke-width:1px;}#mermaid-svg-hxszyzqjghCJGMDI .rough-node .label,#mermaid-svg-hxszyzqjghCJGMDI .node .label,#mermaid-svg-hxszyzqjghCJGMDI .image-shape .label,#mermaid-svg-hxszyzqjghCJGMDI .icon-shape .label{text-align:center;}#mermaid-svg-hxszyzqjghCJGMDI .node.clickable{cursor:pointer;}#mermaid-svg-hxszyzqjghCJGMDI .root .anchor path{fill:#333333!important;stroke-width:0;stroke:#333333;}#mermaid-svg-hxszyzqjghCJGMDI .arrowheadPath{fill:#333333;}#mermaid-svg-hxszyzqjghCJGMDI .edgePath .path{stroke:#333333;stroke-width:2.0px;}#mermaid-svg-hxszyzqjghCJGMDI .flowchart-link{stroke:#333333;fill:none;}#mermaid-svg-hxszyzqjghCJGMDI .edgeLabel{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-hxszyzqjghCJGMDI .edgeLabel p{background-color:rgba(232,232,232, 0.8);}#mermaid-svg-hxszyzqjghCJGMDI .edgeLabel rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-hxszyzqjghCJGMDI .labelBkg{background-color:rgba(232, 232, 232, 0.5);}#mermaid-svg-hxszyzqjghCJGMDI .cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-hxszyzqjghCJGMDI .cluster text{fill:#333;}#mermaid-svg-hxszyzqjghCJGMDI .cluster span{color:#333;}#mermaid-svg-hxszyzqjghCJGMDI div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-hxszyzqjghCJGMDI .flowchartTitleText{text-anchor:middle;font-size:18px;fill:#333;}#mermaid-svg-hxszyzqjghCJGMDI rect.text{fill:none;stroke-width:0;}#mermaid-svg-hxszyzqjghCJGMDI .icon-shape,#mermaid-svg-hxszyzqjghCJGMDI .image-shape{background-color:rgba(232,232,232, 0.8);text-align:center;}#mermaid-svg-hxszyzqjghCJGMDI .icon-shape p,#mermaid-svg-hxszyzqjghCJGMDI .image-shape p{background-color:rgba(232,232,232, 0.8);padding:2px;}#mermaid-svg-hxszyzqjghCJGMDI .icon-shape .label rect,#mermaid-svg-hxszyzqjghCJGMDI .image-shape .label rect{opacity:0.5;background-color:rgba(232,232,232, 0.8);fill:rgba(232,232,232, 0.8);}#mermaid-svg-hxszyzqjghCJGMDI .label-icon{display:inline-block;height:1em;overflow:visible;vertical-align:-0.125em;}#mermaid-svg-hxszyzqjghCJGMDI .node .label-icon path{fill:currentColor;stroke:revert;stroke-width:revert;}#mermaid-svg-hxszyzqjghCJGMDI :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<span class=\"nodeLabel\"><\/p>\n<p>\u5207\u6362\u95e8\u7981<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u56de\u586b\u4e0e\u5bf9\u8d26<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u5199\u8def\u5f84<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u4e3b\u5199 external version<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u5f71\u5b50\u5199 external version<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u5f71\u5b50\u5199\u5f02\u5e38<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u539f revision \u91cd\u6295<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/p>\n<p>external version \u5199\u5165<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>mget \u53d6 _version<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>mget \u53d6 _version<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u7248\u672c\u4e0d\u4e00\u81f4<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u76f4\u67e5 docs_v1<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u76f4\u67e5 docs_v2<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u4e0a\u754c \u2264 \u9608\u503c<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u4e0a\u754c &gt; \u9608\u503c<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/span><span class=\"edgeLabel\"><\/p>\n<p>\u8d85\u9608\u503c<\/p>\n<p><\/span><span class=\"edgeLabel\"><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u4e1a\u52a1\u5199\u5165\u643a\u5e26 doc_id &#043; revision<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u53cc\u5199\u5206\u53d1<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>docs_v1\u522b\u540d docs \u5f53\u524d\u6307\u5411<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>docs_v2\u91cd\u5efa\u76ee\u6807<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u8865\u507f\u961f\u5217\u4fdd\u7559 doc_id &#043; revision<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u56de\u586b\u5668\u6309 _id \u5206\u7247\u987a\u5e8f\u8bfb<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u5bf9\u8d26\u5668<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u56fa\u5b9a\u95ee\u9898\u96c6\u7248\u672c\u5316 200 \u6761<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u62bd\u6837\u5668<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u6587\u6863\u7ea7\u91cd\u5408\u7387\u4e25\u91cd\u4e0d\u4e00\u81f4\u6761\u6570Wilson \u4e0a\u754c<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>POST _aliases \u539f\u5b50\u5207\u6362<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u4fdd\u6301\u522b\u540d\u4e0d\u52a8\u4e0d\u4ea7\u751f\u56de\u6eda\u6210\u672c<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u89c2\u5bdf\u671f\u9519\u8bef\u7387 \/ P99 \/ \u65e0\u7b54\u6848\u7387<\/p>\n<p><\/span><span class=\"nodeLabel\"><\/p>\n<p>\u53cd\u5411 POST _aliases<\/p>\n<p><\/span><\/p>\n<p>\u8fd9\u5f20\u56fe\u91cc\u6709\u4e09\u6761\u8fb9\u503c\u5f97\u5355\u72ec\u8bf4\u3002<\/p>\n<p>\u5f71\u5b50\u5199\u5931\u8d25\u4e0d\u80fd\u963b\u585e\u4e3b\u5199\u3002 \u5982\u679c\u53cc\u5199\u662f\u540c\u6b65\u7684&#xff0c;\u5f71\u5b50\u7d22\u5f15\u4e00\u6b21 500 ms \u7684\u8d85\u65f6\u4f1a\u8ba9\u6574\u4f53\u5199\u5ef6\u8fdf\u7ffb\u500d&#xff1b;\u5f71\u5b50\u7d22\u5f15\u6574\u4f53\u4e0d\u53ef\u7528\u65f6&#xff0c;\u4e3b\u7d22\u5f15\u7684\u53ef\u7528\u6027\u4f1a\u88ab\u4e00\u4e2a\u201c\u672c\u6765\u53ea\u662f\u8fc7\u6e21\u7528\u201d\u7684\u7d22\u5f15\u62d6\u6b7b\u3002\u6240\u4ee5\u4e3b\u5199\u540c\u6b65\u3001\u5f71\u5b50\u5199\u65c1\u8def&#xff0c;\u5931\u8d25\u843d\u8865\u507f\u961f\u5217&#xff0c;\u7531\u540e\u53f0\u91cd\u6295\u3002\u4ee3\u4ef7\u662f\u65b0\u7d22\u5f15\u5141\u8bb8\u77ed\u65f6\u6ede\u540e\u2014\u2014\u8fd9\u5728\u91cd\u5efa\u573a\u666f\u91cc\u53ef\u4ee5\u63a5\u53d7&#xff0c;\u56e0\u4e3a\u6ede\u540e\u6700\u7ec8\u4f1a\u88ab\u5bf9\u8d26\u548c\u56de\u586b\u8865\u9f50\u3002\u4f46\u8fd9\u4e5f\u610f\u5473\u7740\u201c\u65b0\u7d22\u5f15\u6b64\u523b\u548c\u65e7\u7d22\u5f15\u4e00\u81f4\u201d\u8fd9\u4e2a\u5224\u65ad\u4e0d\u80fd\u9760\u5199\u5165\u8fd4\u56de\u503c\u5f97\u51fa&#xff0c;\u53ea\u80fd\u9760\u5bf9\u8d26\u6c34\u4f4d\u548c\u62bd\u6837\u3002<\/p>\n<p>\u62bd\u6837\u5668\u76f4\u67e5\u4e24\u4e2a\u5177\u4f53\u7d22\u5f15\u540d&#xff0c;\u4e0d\u8d70\u522b\u540d\u3002 \u522b\u540d\u540c\u4e00\u65f6\u523b\u53ea\u6307\u5411\u4e00\u4e2a\u7d22\u5f15&#xff0c;\u8d70\u522b\u540d\u5c31\u53ea\u80fd\u770b\u5230\u4e00\u5957\u3002\u8fd9\u4e5f\u662f\u95e8\u7981\u80fd\u5728\u5207\u6362\u4e4b\u524d\u5b8c\u6210\u5224\u5b9a\u7684\u539f\u56e0&#xff1a;\u4e0d\u5207\u522b\u540d\u5c31\u6ca1\u6709\u56de\u6eda\u6210\u672c&#xff0c;\u5224\u5b9a\u4e0d\u901a\u8fc7\u65f6&#xff0c;\u7ebf\u4e0a\u7684\u72b6\u6001\u4e00\u70b9\u6ca1\u53d8\u3002<\/p>\n<p>\u8865\u507f\u961f\u5217\u5b58\u7684\u662f\u5b8c\u6574\u6587\u6863\u52a0\u91cd\u8bd5\u6b21\u6570&#xff0c;\u4e0d\u662f\u53ea\u5b58 doc_id\u3002 \u53ea\u5b58 ID \u7684\u8bdd&#xff0c;\u91cd\u8bd5\u65f6\u8981\u53bb\u65e7\u7d22\u5f15\u8bfb\u6700\u65b0\u7248\u672c&#xff0c;\u8bfb\u5230\u7684\u53ef\u80fd\u662f\u6bd4\u91cd\u8bd5\u65f6\u66f4\u65e7\u7684\u7248\u672c&#xff1b;\u800c\u4e14\u5982\u679c\u6587\u6863\u5728\u91cd\u8bd5\u95f4\u9699\u53c8\u88ab\u6539\u4e86\u4e00\u6b21&#xff0c;\u91cd\u8bd5\u4f1a\u5199\u5165\u4e00\u4e2a\u8fc7\u671f\u5185\u5bb9\u3002\u5b58\u4e0b\u539f\u59cb revision \u548c payload&#xff0c;\u91cd\u6295\u65f6\u4ecd\u7136\u8d70\u7248\u672c\u6bd4\u8f83&#xff0c;\u91cd\u590d\u6295\u9012\u5c31\u53d8\u6210\u4e86\u5e42\u7b49\u64cd\u4f5c\u3002<\/p>\n<h3>4. \u5b9e\u73b0&#xff1a;\u53cc\u5199\u7684\u7248\u672c\u4ef2\u88c1\u4e0e\u589e\u91cf\u5bf9\u8d26<\/h3>\n<p>\u4e0b\u9762\u8fd9\u6bb5\u4ee3\u7801\u9489\u4f4f\u4e00\u4e2a\u51b3\u5b9a&#xff1a;\u7248\u672c\u6bd4\u8f83\u653e\u5728\u5199\u5165\u4fa7\u505a&#xff0c;\u4e09\u6761\u5199\u8def\u5f84\u5171\u7528\u540c\u4e00\u4e2a put_if_newer\u3002\u771f\u5b9e\u5b9e\u73b0\u91cc\u5b83\u5bf9\u5e94 PUT \/{index}\/_doc\/{id}?version&#061;N&amp;version_type&#061;external&#xff0c;\u6355\u83b7 409 \u89c6\u4e3a\u201c\u7248\u672c\u843d\u540e\u201d\u800c\u4e0d\u662f\u9519\u8bef\u3002<\/p>\n<p><span class=\"token keyword\">from<\/span> __future__ <span class=\"token keyword\">import<\/span> annotations<\/p>\n<p><span class=\"token keyword\">from<\/span> dataclasses <span class=\"token keyword\">import<\/span> dataclass<span class=\"token punctuation\">,<\/span> field<br \/>\n<span class=\"token keyword\">from<\/span> typing <span class=\"token keyword\">import<\/span> Protocol<\/p>\n<p><span class=\"token decorator annotation punctuation\">&#064;dataclass<\/span><span class=\"token punctuation\">(<\/span>frozen<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Doc<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    doc_id<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><br \/>\n    revision<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><br \/>\n    source<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">dict<\/span><br \/>\n    deleted<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">bool<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">False<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">IndexSink<\/span><span class=\"token punctuation\">(<\/span>Protocol<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">current_revision<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> doc_id<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">put_if_newer<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> doc<span class=\"token punctuation\">:<\/span> Doc<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">bool<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><span class=\"token punctuation\">.<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MemorySink<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u66ff\u8eab&#xff1a;\u8bed\u4e49\u4e0e external version \u4e00\u81f4&#xff0c;\u7248\u672c\u4e25\u683c\u5927\u4e8e\u624d\u5199\u3002&#034;&#034;&#034;<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>docs<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">dict<\/span><span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> Doc<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">current_revision<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> doc_id<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        doc <span class=\"token operator\">&#061;<\/span> self<span class=\"token punctuation\">.<\/span>docs<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>doc_id<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> doc<span class=\"token punctuation\">.<\/span>revision <span class=\"token keyword\">if<\/span> doc <span class=\"token keyword\">else<\/span> <span class=\"token number\">0<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">put_if_newer<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> doc<span class=\"token punctuation\">:<\/span> Doc<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">bool<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> doc<span class=\"token punctuation\">.<\/span>revision <span class=\"token operator\">&gt;<\/span> self<span class=\"token punctuation\">.<\/span>current_revision<span class=\"token punctuation\">(<\/span>doc<span class=\"token punctuation\">.<\/span>doc_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n            self<span class=\"token punctuation\">.<\/span>docs<span class=\"token punctuation\">[<\/span>doc<span class=\"token punctuation\">.<\/span>doc_id<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> doc<br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">True<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">False<\/span><\/p>\n<p><span class=\"token decorator annotation punctuation\">&#064;dataclass<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DualWriteResult<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    primary_written<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><br \/>\n    shadow_written<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><br \/>\n    shadow_stale<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><br \/>\n    pending<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">list<\/span><span class=\"token punctuation\">[<\/span>Doc<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> field<span class=\"token punctuation\">(<\/span>default_factory<span class=\"token operator\">&#061;<\/span><span class=\"token builtin\">list<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DualWriter<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">def<\/span> <span class=\"token function\">__init__<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> primary<span class=\"token punctuation\">:<\/span> IndexSink<span class=\"token punctuation\">,<\/span> shadow<span class=\"token punctuation\">:<\/span> IndexSink<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        self<span class=\"token punctuation\">.<\/span>primary <span class=\"token operator\">&#061;<\/span> primary<br \/>\n        self<span class=\"token punctuation\">.<\/span>shadow <span class=\"token operator\">&#061;<\/span> shadow<\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> docs<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">list<\/span><span class=\"token punctuation\">[<\/span>Doc<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> DualWriteResult<span class=\"token punctuation\">:<\/span><br \/>\n        result <span class=\"token operator\">&#061;<\/span> DualWriteResult<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> doc <span class=\"token keyword\">in<\/span> docs<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> self<span class=\"token punctuation\">.<\/span>primary<span class=\"token punctuation\">.<\/span>put_if_newer<span class=\"token punctuation\">(<\/span>doc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                result<span class=\"token punctuation\">.<\/span>primary_written <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token number\">1<\/span><br \/>\n            <span class=\"token keyword\">try<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> self<span class=\"token punctuation\">.<\/span>shadow<span class=\"token punctuation\">.<\/span>put_if_newer<span class=\"token punctuation\">(<\/span>doc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                    result<span class=\"token punctuation\">.<\/span>shadow_written <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token number\">1<\/span><br \/>\n                <span class=\"token keyword\">else<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                    result<span class=\"token punctuation\">.<\/span>shadow_stale <span class=\"token operator\">&#043;&#061;<\/span> <span class=\"token number\">1<\/span><br \/>\n            <span class=\"token keyword\">except<\/span> Exception<span class=\"token punctuation\">:<\/span><br \/>\n                result<span class=\"token punctuation\">.<\/span>pending<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span>doc<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> result<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">reconcile<\/span><span class=\"token punctuation\">(<\/span>primary<span class=\"token punctuation\">:<\/span> IndexSink<span class=\"token punctuation\">,<\/span> shadow<span class=\"token punctuation\">:<\/span> IndexSink<span class=\"token punctuation\">,<\/span> doc_ids<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">list<\/span><span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">list<\/span><span class=\"token punctuation\">[<\/span><span class=\"token builtin\">tuple<\/span><span class=\"token punctuation\">[<\/span><span class=\"token builtin\">str<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    gaps <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> doc_id <span class=\"token keyword\">in<\/span> doc_ids<span class=\"token punctuation\">:<\/span><br \/>\n        a<span class=\"token punctuation\">,<\/span> b <span class=\"token operator\">&#061;<\/span> primary<span class=\"token punctuation\">.<\/span>current_revision<span class=\"token punctuation\">(<\/span>doc_id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> shadow<span class=\"token punctuation\">.<\/span>current_revision<span class=\"token punctuation\">(<\/span>doc_id<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> a <span class=\"token operator\">!&#061;<\/span> b<span class=\"token punctuation\">:<\/span><br \/>\n            gaps<span class=\"token punctuation\">.<\/span>append<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>doc_id<span class=\"token punctuation\">,<\/span> a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> gaps<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">demo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    v1<span class=\"token punctuation\">,<\/span> v2 <span class=\"token operator\">&#061;<\/span> MemorySink<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> MemorySink<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    writer <span class=\"token operator\">&#061;<\/span> DualWriter<span class=\"token punctuation\">(<\/span>v1<span class=\"token punctuation\">,<\/span> v2<span class=\"token punctuation\">)<\/span><\/p>\n<p>    writer<span class=\"token punctuation\">.<\/span>write<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>Doc<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;X&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">7<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;title&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;\u91c7\u8d2d\u5408\u540c-A&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">assert<\/span> v2<span class=\"token punctuation\">.<\/span>current_revision<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;X&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">7<\/span><\/p>\n<p>    <span class=\"token comment\"># \u56de\u586b\u5668\u62ff\u7740 T&#043;30 \u4e4b\u524d\u7684\u5feb\u7167\u665a\u5230&#xff0c;revision 6&#xff0c;\u5fc5\u987b\u88ab\u62d2\u7edd<\/span><br \/>\n    late <span class=\"token operator\">&#061;<\/span> Doc<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;X&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;title&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;\u91c7\u8d2d\u5408\u540c-\u65e7&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">assert<\/span> v2<span class=\"token punctuation\">.<\/span>put_if_newer<span class=\"token punctuation\">(<\/span>late<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">is<\/span> <span class=\"token boolean\">False<\/span><br \/>\n    <span class=\"token keyword\">assert<\/span> v2<span class=\"token punctuation\">.<\/span>docs<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;X&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>source<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;title&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;\u91c7\u8d2d\u5408\u540c-A&#034;<\/span><\/p>\n<p>    <span class=\"token comment\"># \u5f71\u5b50\u5199\u5931\u8d25&#xff1a;\u53ea\u6709 v1 \u6709\u65b0\u6587\u6863&#xff0c;\u5bf9\u8d26\u8981\u80fd\u53d1\u73b0<\/span><br \/>\n    v1<span class=\"token punctuation\">.<\/span>put_if_newer<span class=\"token punctuation\">(<\/span>Doc<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Y&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;title&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;\u53d1\u7968-B&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">assert<\/span> reconcile<span class=\"token punctuation\">(<\/span>v1<span class=\"token punctuation\">,<\/span> v2<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;X&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Y&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Y&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>    <span class=\"token comment\"># \u5220\u9664\u8d70\u5893\u7891&#xff0c;\u4ecd\u7136\u53d7\u7248\u672c\u4ef2\u88c1<\/span><br \/>\n    writer<span class=\"token punctuation\">.<\/span>write<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>Doc<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;X&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;_deleted&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token boolean\">True<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> deleted<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">assert<\/span> v2<span class=\"token punctuation\">.<\/span>current_revision<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;X&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">8<\/span><br \/>\n    <span class=\"token keyword\">assert<\/span> v2<span class=\"token punctuation\">.<\/span>put_if_newer<span class=\"token punctuation\">(<\/span>Doc<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;X&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">7<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;title&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;\u91c7\u8d2d\u5408\u540c-A&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">is<\/span> <span class=\"token boolean\">False<\/span><\/p>\n<p>demo<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>shadow_stale \u4e0d\u662f\u9519\u8bef\u8ba1\u6570&#xff0c;\u5b83\u662f\u7248\u672c\u4ef2\u88c1\u751f\u6548\u7684\u6b21\u6570\u3002\u628a\u5b83\u5f53\u9519\u8bef\u62a5\u8b66\u4f1a\u5728\u91cd\u5efa\u671f\u95f4\u5237\u5c4f\u3002\u771f\u6b63\u9700\u8981\u62a5\u8b66\u7684\u662f pending \u7684\u957f\u5ea6\u548c\u5e74\u9f84&#xff1a;\u961f\u5217\u91cc\u5806\u4e86\u5341\u6761\u8d85\u8fc7\u4e94\u5206\u949f\u6ca1\u6295\u51fa\u53bb\u7684\u5199\u5165&#xff0c;\u8bf4\u660e\u5f71\u5b50\u7d22\u5f15\u4fa7\u6709\u6301\u7eed\u6027\u7684\u95ee\u9898&#xff0c;\u7ee7\u7eed\u4e0b\u53bb\u4f1a\u5bfc\u81f4\u5207\u6362\u65f6\u5bf9\u8d26\u5dee\u51fa\u4e00\u5927\u622a\u3002<\/p>\n<p>\u5bf9\u8d26\u8981\u8986\u76d6\u4e24\u7c7b\u5dee\u5f02&#xff0c;\u6210\u672c\u5dee\u522b\u5f88\u5927\u3002\u53cc\u5199\u7a97\u53e3\u5185\u7684\u5dee\u5f02\u6309 revision \u6c34\u4f4d\u5bf9&#xff1a;\u8bb0\u4e0b\u4e0a\u6b21\u6838\u5bf9\u5230\u7684\u6700\u5927 revision&#xff0c;\u53ea\u6bd4\u5bf9\u8fd9\u4e2a\u6c34\u4f4d\u4e4b\u540e\u5199\u8fc7\u7684 doc_id&#xff0c;\u91cf\u7ea7\u548c\u5199\u5165 QPS \u6210\u6b63\u6bd4\u3002\u56de\u586b\u8986\u76d6\u7684\u5386\u53f2\u6587\u6863\u6ca1\u6cd5\u6309 revision \u5bf9&#xff0c;\u56e0\u4e3a\u56de\u586b\u4e0d\u589e\u52a0 revision&#xff0c;\u53ea\u80fd\u6309\u5206\u7247\u8fdb\u5ea6\u5bf9&#xff1a;\u6bcf\u4e2a\u5206\u7247\u56de\u586b\u5b8c\u6210\u540e&#xff0c;\u4ece\u8be5\u5206\u7247\u91cc\u62bd\u4e00\u6279 doc_id \u505a mget \u6bd4\u5bf9\u3002\u4e24\u7c7b\u5bf9\u8d26\u90fd\u8f93\u51fa (doc_id, v1_revision, v2_revision)&#xff0c;\u975e\u7a7a\u7684\u5c31\u8fdb\u8865\u507f\u961f\u5217\u91cd\u6295&#xff0c;\u91cd\u6295\u4ecd\u7136\u8d70 put_if_newer\u3002<\/p>\n<p>\u5168\u91cf\u5bf9\u8d26\u2014\u2014\u628a\u4e24\u5343\u4e07\u6587\u6863\u9010\u4e2a mget \u4e00\u904d\u2014\u2014\u5728\u91cd\u5efa\u671f\u95f4\u8dd1\u4e0d\u52a8&#xff0c;\u4e5f\u4e0d\u5fc5\u8981\u3002\u7248\u672c\u4ef2\u88c1\u4fdd\u8bc1\u4e86\u201c\u53ea\u8981\u6bcf\u6761\u5199\u5165\u90fd\u7ecf\u8fc7\u5b83&#xff0c;v2 \u5c31\u4e0d\u4f1a\u6bd4 v1 \u65e7\u201d&#xff0c;\u5bf9\u8d26\u7684\u4f5c\u7528\u662f\u53d1\u73b0\u6ca1\u7ecf\u8fc7\u4ef2\u88c1\u7684\u5199\u5165&#xff0c;\u4e5f\u5c31\u662f\u8865\u507f\u961f\u5217\u4e22\u6d88\u606f\u3001\u5f71\u5b50\u7d22\u5f15\u4fa7\u5199\u8d85\u65f6\u88ab\u541e\u3001\u56de\u586b\u4efb\u52a1\u4e2d\u65ad\u8fd9\u51e0\u7c7b\u95ee\u9898&#xff0c;\u5b83\u4eec\u90fd\u53d1\u751f\u5728\u7279\u5b9a\u7684\u65f6\u95f4\u7a97\u53e3\u6216\u5206\u7247\u8303\u56f4\u5185&#xff0c;\u6309\u7a97\u53e3\u5bf9\u5c31\u591f\u3002<\/p>\n<h3>5. \u5207\u6362\u95e8\u7981\u5224\u5b9a\u7684\u662f\u201c\u65b0\u7d22\u5f15\u80fd\u4e0d\u80fd\u63a5\u201d<\/h3>\n<p>\u201c\u91cd\u5efa\u8dd1\u5b8c\u4e86\u201d\u548c\u201c\u53ef\u4ee5\u5207\u4e86\u201d\u4e4b\u95f4\u9694\u7740\u4e09\u4ef6\u4e8b&#xff0c;\u524d\u4e24\u4ef6\u9760\u5bf9\u8d26&#xff0c;\u7b2c\u4e09\u4ef6\u53ea\u80fd\u9760\u62bd\u6837\u3002<\/p>\n<p>\u7b2c\u4e00\u4ef6&#xff0c;\u91cd\u5efa\u671f\u95f4\u7684\u6240\u6709\u4e1a\u52a1\u5199\u5165\u6709\u6ca1\u6709\u90fd\u8fdb\u65b0\u7d22\u5f15\u3002\u8fd9\u7531\u53cc\u5199\u548c\u5bf9\u8d26\u8986\u76d6\u3002<\/p>\n<p>\u7b2c\u4e8c\u4ef6&#xff0c;\u56de\u586b\u6709\u6ca1\u6709\u628a\u65b0\u7d22\u5f15\u91cc\u7684\u65b0\u7248\u672c\u8986\u76d6\u56de\u65e7\u7248\u672c\u3002\u8fd9\u7531\u7248\u672c\u4ef2\u88c1\u8986\u76d6\u3002<\/p>\n<p>\u7b2c\u4e09\u4ef6&#xff0c;\u65b0\u7d22\u5f15\u7684\u68c0\u7d22\u884c\u4e3a\u662f\u4e0d\u662f\u53ef\u63a5\u53d7\u3002\u8fd9\u4e00\u4ef6\u6ca1\u6709\u4fbf\u5b9c\u7684\u9759\u6001\u68c0\u67e5\u65b9\u6cd5\u3002\u5206\u6790\u5668\u3001\u5207\u5757\u3001\u5411\u91cf\u90fd\u53d8\u4e86&#xff0c;\u540c\u4e00\u4e2a\u67e5\u8be2\u5728\u65b0\u65e7\u7d22\u5f15\u4e0a\u53ec\u56de\u7684\u6587\u6863\u96c6\u5408\u672c\u6765\u5c31\u4f1a\u4e0d\u540c&#xff0c;\u4f60\u53ea\u80fd\u62ff\u4e00\u6279\u56fa\u5b9a\u95ee\u9898\u53bb\u95ee&#xff0c;\u7136\u540e\u770b\u5dee\u5f02\u7684\u5f62\u72b6\u3002<\/p>\n<p>\u62bd\u6837\u7684\u6307\u6807\u8981\u5206\u4e09\u5c42&#xff0c;\u6df7\u5728\u4e00\u8d77\u4f1a\u5f97\u51fa\u9519\u8bef\u7ed3\u8bba\u3002<\/p>\n<p>\u8986\u76d6\u5c42&#xff1a;\u56fa\u5b9a\u95ee\u9898\u96c6\u4e2d&#xff0c;\u65b0\u7d22\u5f15\u8fd4\u56de\u96f6\u7ed3\u679c\u7684\u6761\u6570\u5360\u6bd4&#xff0c;\u548c\u65e7\u7d22\u5f15\u6bd4\u3002\u8fd9\u4e2a\u6307\u6807\u6700\u654f\u611f&#xff0c;\u4e5f\u6700\u5bb9\u6613\u88ab\u5ffd\u7565\u3002\u6362\u5206\u8bcd\u5668\u4e4b\u540e&#xff0c;\u4e00\u7c7b\u539f\u5148\u80fd\u547d\u4e2d\u7684\u67e5\u8be2\u7a81\u7136\u5168\u90e8\u96f6\u7ed3\u679c&#xff0c;\u91cd\u5408\u7387\u4f1a\u544a\u8bc9\u4f60\u201c\u5dee\u5f02\u5f88\u5927\u201d&#xff0c;\u4f46\u4e0d\u4f1a\u544a\u8bc9\u4f60\u201c\u662f\u5f80\u4e22\u5931\u7684\u65b9\u5411\u5dee\u201d\u3002\u96f6\u7ed3\u679c\u7387\u4e0a\u5347\u8d85\u8fc7\u4e24\u4e09\u4e2a\u767e\u5206\u70b9&#xff0c;\u57fa\u672c\u53ef\u4ee5\u5224\u5b9a\u65b0\u7d22\u5f15\u5bf9\u67d0\u7c7b\u67e5\u8be2\u662f\u574f\u7684&#xff0c;\u4e0d\u9700\u8981\u518d\u5f80\u4e0b\u770b\u3002<\/p>\n<p>\u91cd\u5408\u5c42&#xff1a;\u6587\u6863\u7ea7\u53ec\u56de\u96c6\u5408\u7684\u91cd\u5408\u7387\u3002\u8fd9\u91cc\u5fc5\u987b\u7528\u6587\u6863\u7ea7&#xff0c;\u4e0d\u80fd\u7528 chunk \u7ea7\u3002\u5207\u5757\u7b56\u7565\u4e00\u53d8&#xff0c;chunk ID \u5168\u90e8\u91cd\u6392&#xff0c;chunk \u7ea7\u91cd\u5408\u7387\u4f1a\u63a5\u8fd1\u96f6&#xff0c;\u8fd9\u4e2a\u6570\u5b57\u6ca1\u6709\u4efb\u4f55\u4fe1\u606f\u91cf\u3002\u6587\u6863\u7ea7\u805a\u5408\u7684\u505a\u6cd5\u662f&#xff1a;\u5bf9\u65b0\u7d22\u5f15\u53d6 top-50 \u4e2a chunk&#xff0c;\u6309 doc_id \u53bb\u91cd\u3001\u6bcf\u4e2a\u6587\u6863\u53d6\u6700\u9ad8\u5206&#xff0c;\u518d\u622a top-10 \u6587\u6863&#xff1b;\u65e7\u7d22\u5f15\u540c\u6837\u5904\u7406&#xff1b;\u7136\u540e\u6bd4\u8f83\u4e24\u4e2a 10 \u5143\u7d20\u96c6\u5408\u3002\u8fd9\u6837\u6bd4\u7684\u662f\u201c\u7528\u6237\u80fd\u4e0d\u80fd\u627e\u5230\u540c\u4e00\u4efd\u6750\u6599\u201d&#xff0c;\u4e0e\u5207\u6cd5\u65e0\u5173\u3002<\/p>\n<p>\u4e25\u91cd\u4e0d\u4e00\u81f4\u5355\u5217&#xff1a;\u65e7\u7d22\u5f15\u6709\u3001\u65b0\u7d22\u5f15\u6ca1\u6709\u7684\u6587\u6863&#xff08;\u4e22\u5931&#xff09;&#xff0c;\u548c\u65b0\u7d22\u5f15\u6709\u3001\u65e7\u7d22\u5f15\u6ca1\u6709\u7684\u6587\u6863&#xff08;\u65b0\u589e&#xff09;\u3002\u8fd9\u4e24\u4e2a\u65b9\u5411\u4e0d\u80fd\u6df7\u8fdb\u5e73\u5747\u503c\u3002\u4e22\u5931\u662f\u56de\u5f52&#xff0c;\u5fc5\u987b\u9010\u6761\u770b&#xff1b;\u65b0\u589e\u53ef\u80fd\u662f\u65b0\u7d22\u5f15\u4fee\u6b63\u4e86\u65e7\u7d22\u5f15\u7684\u6f0f\u53ec\u56de&#xff0c;\u4e5f\u53ef\u80fd\u662f\u9519\u8bef\u53ec\u56de&#xff0c;\u8981\u62bd\u4eba\u770b\u3002\u5e73\u5747\u4e0d\u4e00\u81f4\u7387 4% \u542c\u8d77\u6765\u53ef\u4ee5\u63a5\u53d7&#xff0c;\u4f46\u5982\u679c\u5176\u4e2d 3% \u90fd\u662f\u5355\u5411\u4e22\u5931&#xff0c;\u5c31\u4e0d\u80fd\u5207\u3002<\/p>\n<p>\u95ee\u9898\u96c6\u672c\u8eab\u8981\u6709\u7248\u672c\u53f7&#xff0c;\u5e76\u4e14\u4ece\u771f\u5b9e\u67e5\u8be2\u65e5\u5fd7\u91cc\u5206\u5c42\u62bd\u3002\u5206\u5c42\u7ef4\u5ea6\u81f3\u5c11\u5305\u62ec&#xff1a;\u67e5\u8be2\u7c7b\u578b&#xff08;\u4e8b\u5b9e\u578b\u3001\u6bd4\u8f83\u578b\u3001\u957f\u5c3e\u63cf\u8ff0\u578b&#xff09;\u3001\u662f\u5426\u6709\u660e\u786e\u7b54\u6848\u3001\u547d\u4e2d\u6570\u91cf\u6863\u4f4d&#xff08;\u96f6\u547d\u4e2d\u30011\u20135 \u547d\u4e2d\u3001\u5927\u4e8e 5 \u547d\u4e2d&#xff09;\u3001\u8bed\u8a00\u3002\u96f6\u547d\u4e2d\u7684\u95ee\u9898\u5fc5\u987b\u5360\u4e00\u5b9a\u6bd4\u4f8b\u2014\u2014\u91cd\u5efa\u540e\u201c\u539f\u672c\u7b54\u4e0d\u51fa\u7684\u95ee\u9898\u5f00\u59cb\u7b54\u5f97\u51fa\u201d\u548c\u201c\u539f\u672c\u7b54\u5f97\u51fa\u7684\u5f00\u59cb\u7b54\u4e0d\u51fa\u201d\u90fd\u662f\u4fe1\u53f7&#xff0c;\u53ea\u62bd\u6709\u7b54\u6848\u7684\u95ee\u9898\u4f1a\u628a\u524d\u8005\u6f0f\u6389\u3002<\/p>\n<p>\u5408\u6210\u95ee\u9898\u4e0d\u9002\u5408\u505a\u8fd9\u4ef6\u4e8b\u3002\u7531\u6a21\u578b\u751f\u6210\u7684\u95ee\u9898\u5f80\u5f80\u53e5\u5f0f\u76f8\u8fd1\u3001\u7528\u8bcd\u96c6\u4e2d&#xff0c;\u8986\u76d6\u4e0d\u5230\u771f\u5b9e\u65e5\u5fd7\u91cc\u7684\u53e3\u8bed\u5316\u67e5\u8be2\u548c\u9519\u522b\u5b57&#xff1b;\u66f4\u9ebb\u70e6\u7684\u662f&#xff0c;\u5982\u679c\u7b54\u6848\u4e5f\u7531\u540c\u4e00\u4e2a\u6a21\u578b\u751f\u6210&#xff0c;\u5b83\u4f1a\u7cfb\u7edf\u6027\u5730\u504f\u5411\u67d0\u4e00\u79cd\u53ec\u56de\u7ed3\u679c&#xff0c;\u628a\u5dee\u5f02\u62b9\u5e73\u3002<\/p>\n<h3>6. \u62bd\u6837\u5224\u5b9a&#xff1a;\u9608\u503c\u8981\u843d\u5728\u7f6e\u4fe1\u4e0a\u754c\u4e0a<\/h3>\n<p>\u201c\u4e0d\u4e00\u81f4\u7387\u8d85\u8fc7 5% \u5c31\u56de\u6eda\u201d\u8fd9\u53e5\u8bdd&#xff0c;\u5982\u679c 5% \u662f\u62ff\u89c2\u6d4b\u5230\u7684\u6bd4\u4f8b\u76f4\u63a5\u6bd4\u7684&#xff0c;\u90a3\u5b83\u5728\u5c0f\u6837\u672c\u4e0a\u6ca1\u6709\u610f\u4e49\u3002200 \u6761\u6837\u672c\u91cc\u89c2\u5bdf\u5230 6 \u6761\u4e0d\u4e00\u81f4&#xff0c;\u70b9\u4f30\u8ba1\u662f 3%&#xff0c;\u770b\u8d77\u6765\u5b89\u5168&#xff1b;\u4f46\u8fd9\u4e2a\u89c2\u6d4b\u5bf9\u5e94\u7684\u771f\u503c 95% \u7f6e\u4fe1\u4e0a\u754c\u8d85\u8fc7 6%&#xff0c;\u4e5f\u5c31\u662f\u8bf4\u771f\u5b9e\u4e0d\u4e00\u81f4\u7387\u5b8c\u5168\u53ef\u80fd\u9ad8\u4e8e 5%&#xff0c;\u4f60\u53ea\u662f\u6ca1\u62bd\u5230\u3002<\/p>\n<p>\u5224\u5b9a\u8981\u843d\u5728\u533a\u95f4\u4e0a\u754c\u4e0a&#xff0c;\u800c\u4e0d\u662f\u70b9\u4f30\u8ba1\u4e0a\u3002<\/p>\n<p><span class=\"token keyword\">import<\/span> math<br \/>\n<span class=\"token keyword\">from<\/span> dataclasses <span class=\"token keyword\">import<\/span> dataclass<\/p>\n<p>Z <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1.96<\/span>  <span class=\"token comment\"># \u53cc\u4fa7 95%&#xff0c;\u5224\u5b9a\u89c4\u5219\u91cc\u5fc5\u987b\u5199\u6b7b\u7528\u7684\u662f\u54ea\u79cd\u4fa7\u522b<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">wilson_upper<\/span><span class=\"token punctuation\">(<\/span>k<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> z<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">float<\/span> <span class=\"token operator\">&#061;<\/span> Z<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">float<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> n <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;n must be positive&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    p <span class=\"token operator\">&#061;<\/span> k <span class=\"token operator\">\/<\/span> n<br \/>\n    denom <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">&#043;<\/span> z <span class=\"token operator\">*<\/span> z <span class=\"token operator\">\/<\/span> n<br \/>\n    centre <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>p <span class=\"token operator\">&#043;<\/span> z <span class=\"token operator\">*<\/span> z <span class=\"token operator\">\/<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span> <span class=\"token operator\">*<\/span> n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> denom<br \/>\n    half <span class=\"token operator\">&#061;<\/span> z <span class=\"token operator\">*<\/span> math<span class=\"token punctuation\">.<\/span>sqrt<span class=\"token punctuation\">(<\/span>p <span class=\"token operator\">*<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&#8211;<\/span> p<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> n <span class=\"token operator\">&#043;<\/span> z <span class=\"token operator\">*<\/span> z <span class=\"token operator\">\/<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">4<\/span> <span class=\"token operator\">*<\/span> n <span class=\"token operator\">*<\/span> n<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> denom<br \/>\n    <span class=\"token keyword\">return<\/span> centre <span class=\"token operator\">&#043;<\/span> half<\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">min_samples_for_zero_failure<\/span><span class=\"token punctuation\">(<\/span>threshold<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">float<\/span><span class=\"token punctuation\">,<\/span> z<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">float<\/span> <span class=\"token operator\">&#061;<\/span> Z<span class=\"token punctuation\">,<\/span> cap<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">10000<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> n <span class=\"token keyword\">in<\/span> <span class=\"token builtin\">range<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> cap<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> wilson_upper<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">,<\/span> z<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&lt;&#061;<\/span> threshold<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> n<br \/>\n    <span class=\"token keyword\">raise<\/span> ValueError<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;threshold unreachable&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token decorator annotation punctuation\">&#064;dataclass<\/span><span class=\"token punctuation\">(<\/span>frozen<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">GateDecision<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    n<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><br \/>\n    mismatches<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><br \/>\n    upper<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">float<\/span><br \/>\n    threshold<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">float<\/span><br \/>\n    verdict<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">str<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">gate<\/span><span class=\"token punctuation\">(<\/span>mismatches<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">int<\/span><span class=\"token punctuation\">,<\/span> threshold<span class=\"token punctuation\">:<\/span> <span class=\"token builtin\">float<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0.05<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> GateDecision<span class=\"token punctuation\">:<\/span><br \/>\n    need <span class=\"token operator\">&#061;<\/span> min_samples_for_zero_failure<span class=\"token punctuation\">(<\/span>threshold<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> n <span class=\"token operator\">&lt;<\/span> need<span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> GateDecision<span class=\"token punctuation\">(<\/span>n<span class=\"token punctuation\">,<\/span> mismatches<span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">float<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;nan&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> threshold<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;insufficient&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    upper <span class=\"token operator\">&#061;<\/span> wilson_upper<span class=\"token punctuation\">(<\/span>mismatches<span class=\"token punctuation\">,<\/span> n<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> GateDecision<span class=\"token punctuation\">(<\/span>n<span class=\"token punctuation\">,<\/span> mismatches<span class=\"token punctuation\">,<\/span> upper<span class=\"token punctuation\">,<\/span> threshold<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;promote&#034;<\/span> <span class=\"token keyword\">if<\/span> upper <span class=\"token operator\">&lt;&#061;<\/span> threshold <span class=\"token keyword\">else<\/span> <span class=\"token string\">&#034;hold&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">demo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token boolean\">None<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">assert<\/span> min_samples_for_zero_failure<span class=\"token punctuation\">(<\/span><span class=\"token number\">0.05<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">74<\/span><br \/>\n    <span class=\"token keyword\">assert<\/span> gate<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">60<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>verdict <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;insufficient&#034;<\/span><br \/>\n    <span class=\"token keyword\">assert<\/span> gate<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">74<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>verdict <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;promote&#034;<\/span><br \/>\n    <span class=\"token keyword\">assert<\/span> gate<span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>verdict <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;promote&#034;<\/span><br \/>\n    <span class=\"token keyword\">assert<\/span> gate<span class=\"token punctuation\">(<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>verdict <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;hold&#034;<\/span><br \/>\n    <span class=\"token keyword\">assert<\/span> min_samples_for_zero_failure<span class=\"token punctuation\">(<\/span><span class=\"token number\">0.01<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">200<\/span><\/p>\n<p>demo<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u6309\u8fd9\u4e2a\u53e3\u5f84\u7b97\u51fa\u6765\u7684\u51e0\u7ec4\u6570&#xff1a;<\/p>\n<table>\n<tr>\u6837\u672c\u6570 n\u4e0d\u4e00\u81f4\u6761\u6570 kWilson 95% \u4e0a\u754c\u80fd\u5426\u58f0\u79f0\u771f\u503c &lt; 5%<\/tr>\n<tbody>\n<tr>\n<td align=\"right\">60<\/td>\n<td align=\"right\">0<\/td>\n<td align=\"right\">6.0%<\/td>\n<td>\u4e0d\u80fd<\/td>\n<\/tr>\n<tr>\n<td align=\"right\">74<\/td>\n<td align=\"right\">0<\/td>\n<td align=\"right\">4.9%<\/td>\n<td>\u52c9\u5f3a\u80fd<\/td>\n<\/tr>\n<tr>\n<td align=\"right\">200<\/td>\n<td align=\"right\">0<\/td>\n<td align=\"right\">1.9%<\/td>\n<td>\u80fd&#xff0c;\u8fd8\u80fd\u987a\u5e26\u58f0\u79f0 &lt; 2%<\/td>\n<\/tr>\n<tr>\n<td align=\"right\">200<\/td>\n<td align=\"right\">2<\/td>\n<td align=\"right\">3.6%<\/td>\n<td>\u80fd<\/td>\n<\/tr>\n<tr>\n<td align=\"right\">200<\/td>\n<td align=\"right\">6<\/td>\n<td align=\"right\">6.4%<\/td>\n<td>\u4e0d\u80fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>min_samples_for_zero_failure(0.05) &#061;&#061; 74 \u8fd9\u6761\u65ad\u8a00\u662f\u8fd9\u5957\u5224\u5b9a\u7684\u6838\u5fc3\u7ea6\u675f&#xff1a;\u4e00\u6761\u4e0d\u4e00\u81f4\u90fd\u6ca1\u6709\u7684\u524d\u63d0\u4e0b&#xff0c;\u4e5f\u5f97\u51d1\u591f 74 \u6761\u624d\u80fd\u8bf4\u771f\u503c\u5728 5% \u4ee5\u4e0b\u3002\u8fd9\u4e2a\u6570\u548c\u201c\u4e09\u6b21\u6cd5\u5219\u201d\u7ed9\u7684 3\/n \u2248 0.05 \u5bf9\u5f97\u4e0a&#xff0c;\u4f46 Wilson \u7684\u4e0a\u754c\u6bd4\u5b83\u7565\u4e25&#xff0c;\u6240\u4ee5\u5b9e\u9645\u7b97\u51fa\u6765\u4e0d\u662f 60 \u800c\u662f 74\u3002\u628a\u9608\u503c\u8c03\u6210 1%&#xff0c;\u9700\u8981\u7684\u96f6\u5931\u8d25\u6837\u672c\u91cf\u8d85\u8fc7 200\u2014\u2014\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u9608\u503c\u4e0d\u80fd\u968f\u624b\u5b9a&#xff0c;\u5b83\u548c\u4f60\u80fd\u4e0d\u80fd\u51d1\u51fa\u8db3\u591f\u6837\u672c\u76f4\u63a5\u6302\u94a9\u3002<\/p>\n<p>\u8fd8\u6709\u4e24\u4e2a\u5bb9\u6613\u88ab\u5ffd\u7565\u7684\u7ec6\u8282\u3002<\/p>\n<p>\u4fa7\u522b\u5fc5\u987b\u5199\u6b7b\u3002 \u4e0a\u9762\u7528\u7684\u662f\u53cc\u4fa7 95%&#xff0c;\u5bf9\u5e94\u7684 z \u662f 1.96\u3002\u5982\u679c\u6539\u6210\u5355\u4fa7 95%&#xff08;z&#061;1.645&#xff09;&#xff0c;\u540c\u6837\u7684\u89c2\u6d4b\u7b97\u51fa\u6765\u7684\u4e0a\u754c\u4f1a\u5c0f\u4e00\u622a&#xff0c;\u66f4\u5bb9\u6613\u5224\u8fc7\u3002\u4e24\u79cd\u53e3\u5f84\u90fd\u4e0d\u7b97\u9519&#xff0c;\u4f46\u540c\u4e00\u6b21\u53d1\u5e03\u91cc\u4e0d\u80fd\u6362\u7740\u7528&#xff0c;\u5426\u5219\u524d\u540e\u4e24\u6b21\u91cd\u5efa\u7684\u5224\u5b9a\u7ed3\u679c\u4e0d\u53ef\u6bd4\u3002<\/p>\n<p>\u6837\u672c\u91cf\u4e0b\u9650\u7531\u7edf\u8ba1\u51b3\u5b9a&#xff0c;\u5b9e\u9645\u6761\u6570\u7531\u8986\u76d6\u9762\u51b3\u5b9a\u3002 74 \u6761\u662f\u7edf\u8ba1\u4e0b\u9650&#xff0c;\u4e0d\u662f\u201c\u62bd 74 \u6761\u5c31\u591f\u4e86\u201d\u3002\u771f\u5b9e\u7684\u95ee\u9898\u96c6\u8981\u6309\u7b2c 5 \u8282\u7684\u5206\u5c42\u7ef4\u5ea6\u94fa\u5f00&#xff0c;\u6bcf\u4e2a\u683c\u5b50\u81f3\u5c11\u51e0\u6761&#xff0c;200 \u6761\u662f\u8986\u76d6\u9762\u63a8\u51fa\u6765\u7684&#xff0c;\u4e0d\u662f\u7b97\u51fa\u6765\u7684\u3002\u4e24\u4e2a\u6570\u5404\u6709\u5404\u7684\u6765\u6e90&#xff0c;\u522b\u6df7\u3002<\/p>\n<h3>7. \u522b\u540d\u5207\u6362\u4e0e\u56de\u6eda&#xff1a;\u539f\u5b50\u7684\u662f\u522b\u540d&#xff0c;\u4e0d\u662f\u4f60\u7684\u5ba2\u6237\u7aef<\/h3>\n<p>POST \/_aliases \u4e00\u6b21\u63d0\u4ea4\u91cc\u7684\u591a\u4e2a action \u662f\u4e00\u6761\u539f\u5b50\u53d8\u66f4&#xff1a;<\/p>\n<p><span class=\"token punctuation\">{<\/span><br \/>\n  <span class=\"token string-property property\">&#034;actions&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token string-property property\">&#034;remove&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string-property property\">&#034;index&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;docs_v1&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string-property property\">&#034;alias&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;docs&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token string-property property\">&#034;add&#034;<\/span><span class=\"token operator\">:<\/span>    <span class=\"token punctuation\">{<\/span><span class=\"token string-property property\">&#034;index&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;docs_v2&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string-property property\">&#034;alias&#034;<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;docs&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">}<\/span><br \/>\n  <span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4e0d\u4f1a\u51fa\u73b0\u522b\u540d\u77ed\u6682\u6d88\u5931\u3001\u67e5\u8be2\u6253\u5230\u96f6\u4e2a\u7d22\u5f15\u7684\u7a97\u53e3\u3002\u53d8\u66f4\u7531\u4e3b\u8282\u70b9\u4e32\u884c\u5316\u8fdb\u96c6\u7fa4\u72b6\u6001&#xff0c;\u5ba2\u6237\u7aef\u8981\u4e48\u770b\u5230\u53d8\u66f4\u524d&#xff0c;\u8981\u4e48\u770b\u5230\u53d8\u66f4\u540e&#xff0c;\u770b\u4e0d\u5230\u4e2d\u95f4\u6001\u3002\u8fd9\u4e00\u5c42\u662f\u53ef\u9760\u7684\u3002<\/p>\n<p>\u4e0d\u53ef\u9760\u7684\u662f\u8fd9\u4e00\u5c42\u4e4b\u5916\u7684\u4e09\u4e2a\u5730\u65b9\u3002<\/p>\n<p>\u5ba2\u6237\u7aef\u7f13\u5b58\u4e86\u7d22\u5f15\u89e3\u6790\u7ed3\u679c\u3002 \u6709\u4e9b\u5ba2\u6237\u7aef\u3001\u7f51\u5173\u6216\u8005\u67e5\u8be2\u4ee3\u7406\u4f1a\u628a\u522b\u540d\u89e3\u6790\u6210\u5177\u4f53\u7d22\u5f15\u540d\u518d\u53d1\u8bf7\u6c42&#xff0c;\u5e76\u5728\u672c\u5730\u7f13\u5b58\u3002\u8fd9\u7c7b\u7f13\u5b58\u4e0d\u4f1a\u56e0\u4e3a\u96c6\u7fa4\u72b6\u6001\u53d8\u4e86\u5c31\u5931\u6548\u3002\u9a8c\u8bc1\u529e\u6cd5\u4e0d\u662f\u770b POST \u7684\u8fd4\u56de\u503c&#xff0c;\u800c\u662f\u5f80\u65b0\u7d22\u5f15\u5199\u4e00\u6761\u5e26 build_id \u7684\u63a2\u6d4b\u6587\u6863&#xff0c;\u901a\u8fc7\u522b\u540d\u53bb\u67e5\u5b83\u3002\u67e5\u5f97\u5230&#xff0c;\u8bf4\u660e\u522b\u540d\u5728\u5f53\u524d\u8bf7\u6c42\u94fe\u8def\u4e0a\u751f\u6548\u4e86&#xff1b;\u67e5\u4e0d\u5230\u4f46\u76f4\u67e5 docs_v2 \u67e5\u5f97\u5230&#xff0c;\u8bf4\u660e\u4e2d\u95f4\u6709\u7f13\u5b58\u3002\u63a2\u6d4b\u6587\u6863\u7528\u72ec\u7acb\u7684 ID \u524d\u7f00&#xff0c;\u89c2\u5bdf\u671f\u7ed3\u675f\u540e\u6e05\u7406\u3002<\/p>\n<p>\u5df2\u7ecf\u6253\u5f00\u7684\u6eda\u52a8\u67e5\u8be2\u548c PIT \u4e0d\u4f1a\u8fc1\u79fb\u3002 \u522b\u540d\u5207\u6362\u53ea\u5f71\u54cd\u65b0\u7684\u8bf7\u6c42\u89e3\u6790&#xff0c;\u5df2\u7ecf\u6301\u6709\u7684 search context \u4ecd\u7136\u7ed1\u5728\u65e7\u7d22\u5f15\u4e0a\u3002\u8fd9\u5728\u91cd\u5efa\u573a\u666f\u91cc\u901a\u5e38\u662f\u597d\u4e8b&#xff1a;\u6b63\u5728\u8dd1\u7684\u5bfc\u51fa\u4efb\u52a1\u4e0d\u4f1a\u88ab\u6253\u65ad\u3002\u4f46\u5b83\u5e26\u6765\u4e00\u4e2a\u786c\u7ea6\u675f\u2014\u2014\u89c2\u5bdf\u671f\u5185\u4e0d\u80fd\u5220\u9664\u65e7\u7d22\u5f15&#xff0c;\u5426\u5219\u8fd9\u4e9b\u4e0a\u4e0b\u6587\u4f1a\u76f4\u63a5\u5931\u8d25\u3002\u628a\u201c\u5220\u9664\u65e7\u7d22\u5f15\u201d\u6392\u8fdb\u89c2\u5bdf\u671f\u7ed3\u675f\u540e\u7684\u6e05\u7406\u4efb\u52a1&#xff0c;\u4e0d\u8981\u653e\u5728\u5207\u6362\u811a\u672c\u91cc\u3002<\/p>\n<p>\u5199\u8bf7\u6c42\u7684\u843d\u70b9\u3002 \u84dd\u7eff\u65b9\u6848\u91cc\u522b\u540d\u540c\u4e00\u65f6\u523b\u53ea\u6307\u5411\u4e00\u4e2a\u7d22\u5f15&#xff0c;\u6240\u4ee5\u4e0d\u5b58\u5728 is_write_index \u7684\u6b67\u4e49\u3002\u4f46\u5982\u679c\u91cd\u5efa\u671f\u95f4\u6709\u4eba\u624b\u5de5\u5f80\u522b\u540d\u4e0b\u52a0\u8fc7\u4e00\u4e2a\u7d22\u5f15\u505a\u4e34\u65f6\u5b9e\u9a8c&#xff0c;\u5199\u8bf7\u6c42\u5c31\u4f1a\u62a5\u201c\u522b\u540d\u6307\u5411\u591a\u4e2a\u7d22\u5f15\u4e14\u672a\u6307\u5b9a\u5199\u7d22\u5f15\u201d\u3002\u5207\u6362\u811a\u672c\u6267\u884c\u524d\u8981\u65ad\u8a00\u522b\u540d\u4e0b\u7684\u7d22\u5f15\u6570\u6070\u597d\u4e3a\u4e00\u3002<\/p>\n<p>\u56de\u6eda\u5c31\u662f\u53cd\u5411\u7684 POST \/_aliases\u3002\u5b83\u7684\u6210\u672c\u53d6\u51b3\u4e8e\u4e00\u4ef6\u4e8b&#xff1a;\u53cc\u5199\u8fd8\u5f00\u7740\u5417\u3002 \u53cc\u5199\u5f00\u7740\u7684\u65f6\u5019&#xff0c;\u65e7\u7d22\u5f15\u4e00\u76f4\u662f\u6700\u65b0\u7684&#xff0c;\u56de\u6eda\u662f\u4e00\u6b21\u539f\u5b50\u6539\u5199&#xff0c;\u79d2\u7ea7\u5b8c\u6210&#xff0c;\u4e0d\u9700\u8981\u8865\u4efb\u4f55\u6570\u636e\u3002\u53cc\u5199\u505c\u4e86\u4e4b\u540e\u518d\u56de\u6eda&#xff0c;\u5c31\u8981\u5148\u628a\u505c\u5199\u671f\u95f4\u7684\u589e\u91cf\u53cd\u5411\u8ffd\u56de\u6765&#xff0c;\u8017\u65f6\u53d6\u51b3\u4e8e\u505c\u4e86\u591a\u4e45\u3001\u8fd9\u6bb5\u65f6\u95f4\u5199\u4e86\u591a\u5c11&#xff0c;\u53ef\u80fd\u4ece\u51e0\u5206\u949f\u5230\u51e0\u5c0f\u65f6\u4e0d\u7b49\u3002<\/p>\n<p>\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u201c\u505c\u53cc\u5199\u201d\u8fd9\u4e2a\u52a8\u4f5c\u7684\u6743\u91cd\u6bd4\u201c\u5207\u522b\u540d\u201d\u9ad8\u5f97\u591a\u3002\u5207\u522b\u540d\u53ef\u4ee5\u968f\u4fbf\u5207&#xff0c;\u5207\u9519\u4e86\u5207\u56de\u6765&#xff1b;\u505c\u53cc\u5199\u662f\u4e00\u4e2a\u5355\u5411\u95e8&#xff0c;\u505c\u4e86\u4e4b\u540e\u56de\u6eda\u4ece\u79d2\u7ea7\u53d8\u6210\u4e0d\u53ef\u63a7\u3002\u628a\u505c\u53cc\u5199\u653e\u5728\u89c2\u5bdf\u671f\u7ed3\u675f\u3001\u4e14\u660e\u786e\u4e0d\u518d\u56de\u6eda\u4e4b\u540e&#xff0c;\u4f5c\u4e3a\u6e05\u7406\u6d41\u7a0b\u7684\u7b2c\u4e00\u6b65&#xff0c;\u800c\u4e0d\u662f\u91cd\u5efa\u6d41\u7a0b\u7684\u6700\u540e\u4e00\u6b65\u3002<\/p>\n<p>\u89c2\u5bdf\u671f\u81f3\u5c11\u8986\u76d6\u4e00\u4e2a\u5b8c\u6574\u7684\u4e1a\u52a1\u9ad8\u5cf0\u3002\u641c\u7d22\u5f15\u64ce\u7684\u67e5\u8be2\u5206\u5e03\u5728\u5de5\u4f5c\u65e5\u548c\u5468\u672b\u3001\u767d\u5929\u548c\u591c\u95f4\u5dee\u522b\u5f88\u5927&#xff0c;\u7528\u51cc\u6668\u4e24\u70b9\u7684\u534a\u5c0f\u65f6\u89c2\u5bdf\u671f\u53bb\u5224\u65ad\u767d\u5929\u9ad8\u5cf0\u7684\u8868\u73b0&#xff0c;\u7b49\u4e8e\u6ca1\u89c2\u5bdf\u3002\u89c2\u5bdf\u671f\u5185\u65b0\u7d22\u5f15\u627f\u63a5\u5168\u90e8\u8bfb\u6d41\u91cf&#xff0c;\u65e7\u7d22\u5f15\u4fdd\u6301\u53ea\u8bfb\u4f46\u5b8c\u6574&#xff0c;\u53cc\u5199\u7ee7\u7eed\u3002<\/p>\n<h3>8. \u5931\u8d25\u6a21\u5f0f\u4e0e\u9002\u7528\u8fb9\u754c<\/h3>\n<p>\u6309\u53d1\u751f\u4f4d\u7f6e\u5217\u4e00\u904d&#xff0c;\u8fd9\u4e9b\u662f\u5728\u5b9e\u9645\u5207\u6362\u91cc\u6700\u5bb9\u6613\u649e\u4e0a\u7684\u3002<\/p>\n<p>\u56de\u586b\u8986\u76d6\u65b0\u7248\u672c\u3002 \u75c7\u72b6\u662f\u5207\u6362\u540e\u90e8\u5206\u6587\u6863\u5185\u5bb9\u9648\u65e7&#xff0c;\u68c0\u7d22\u6b63\u5e38&#xff0c;\u65e0\u62a5\u9519\u3002\u6839\u56e0\u662f\u56de\u586b\u8bfb\u5230\u4e86\u626b\u63cf\u65f6\u523b\u7684\u5feb\u7167&#xff0c;\u5199\u5165\u65f6\u6ca1\u6709\u505a\u7248\u672c\u6bd4\u8f83\u3002\u7b2c 4 \u8282\u7684 put_if_newer \u5c31\u662f\u4e3a\u5b83\u51c6\u5907\u7684&#xff0c;\u56de\u586b\u8def\u5f84\u5fc5\u987b\u8d70\u540c\u4e00\u4e2a\u51fd\u6570&#xff0c;\u4e0d\u80fd\u7ed5\u8fc7\u3002<\/p>\n<p>\u5220\u9664\u88ab\u56de\u586b\u590d\u6d3b\u3002 \u75c7\u72b6\u662f\u5207\u6362\u540e\u51fa\u73b0\u4e00\u6279\u201c\u5df2\u7ecf\u5220\u6389\u4f46\u8fd8\u80fd\u641c\u5230\u201d\u7684\u6587\u6863\u3002\u6839\u56e0\u662f\u771f\u5220\u9664\u4e86\u7248\u672c\u8bb0\u5fc6&#xff0c;\u8d85\u8fc7 gc_deletes \u7a97\u53e3\u4e4b\u540e&#xff0c;\u4f4e\u7248\u672c\u5199\u5165\u80fd\u91cd\u65b0\u521b\u5efa\u6587\u6863\u3002\u7528\u5893\u7891\u66ff\u4ee3\u771f\u5220\u9664\u3002<\/p>\n<p>mapping \u5c11\u5b57\u6bb5\u5bfc\u81f4\u8fc7\u6ee4\u5931\u6548\u3002 \u65b0\u7d22\u5f15\u7684 mapping \u91cc\u6f0f\u4e86\u4e00\u4e2a\u7528\u4e8e\u6743\u9650\u8fc7\u6ee4\u6216\u65f6\u95f4\u8fc7\u6ee4\u7684\u5b57\u6bb5&#xff0c;\u91cd\u5efa\u671f\u95f4\u4e0d\u62a5\u9519&#xff0c;\u56de\u586b\u5199\u5165\u65f6\u8be5\u5b57\u6bb5\u88ab\u9759\u9ed8\u4e22\u5f03&#xff08;\u5982\u679c dynamic \u662f false&#xff09;&#xff0c;\u5207\u8fc7\u53bb\u4e4b\u540e\u6240\u6709\u5e26\u8be5\u5b57\u6bb5\u7684\u8fc7\u6ee4\u6761\u4ef6\u90fd\u547d\u4e2d\u96f6\u6761\u3002\u8fd9\u4e2a\u95ee\u9898\u4e0d\u9700\u8981\u62bd\u6837\u5c31\u80fd\u53d1\u73b0&#xff1a;\u5207\u6362\u524d\u628a\u4e24\u5957\u7d22\u5f15\u7684 mapping \u62c9\u51fa\u6765\u505a\u4e00\u6b21\u7ed3\u6784\u5316 diff&#xff0c;\u5b57\u6bb5\u540d\u3001\u7c7b\u578b\u3001index \u9009\u9879\u3001doc_values \u9010\u9879\u6bd4\u3002\u8fd9\u662f\u7eaf\u9759\u6001\u68c0\u67e5&#xff0c;\u6210\u672c\u51e0\u4e4e\u4e3a\u96f6&#xff0c;\u5374\u4e0d\u5e38\u505a\u3002<\/p>\n<p>\u5411\u91cf\u5b57\u6bb5\u7684\u7ef4\u5ea6\u6216\u5f52\u4e00\u5316\u4e0d\u4e00\u81f4\u3002 \u75c7\u72b6\u662f\u62bd\u6837\u65f6\u65b0\u7d22\u5f15\u7684\u96f6\u7ed3\u679c\u7387\u5927\u9762\u79ef\u4e0a\u5347&#xff0c;\u6216\u8005\u7b54\u6848\u6574\u4f53\u53d1\u6563\u3002\u8fd9\u7c7b\u95ee\u9898\u5728\u8986\u76d6\u5c42\u5c31\u80fd\u770b\u51fa\u6765&#xff0c;\u4e0d\u9700\u8981\u7b49\u5230\u7b54\u6848\u6bd4\u5bf9\u3002<\/p>\n<p>\u6837\u672c\u96c6\u6f0f\u6389\u67d0\u7c7b\u67e5\u8be2\u3002 \u75c7\u72b6\u662f\u5207\u6362\u540e\u67d0\u4e00\u7c7b\u7528\u6237&#xff08;\u6bd4\u5982\u82f1\u6587\u67e5\u8be2\u3001\u957f\u5c3e\u53e3\u8bed\u67e5\u8be2&#xff09;\u7684\u6295\u8bc9\u96c6\u4e2d\u51fa\u73b0&#xff0c;\u800c\u62bd\u6837\u5224\u5b9a\u662f\u901a\u8fc7\u7684\u3002\u6839\u56e0\u662f\u95ee\u9898\u96c6\u5206\u5c42\u4e0d\u8db3&#xff0c;\u6216\u8005\u95ee\u9898\u96c6\u7248\u672c\u534a\u5e74\u6ca1\u66f4\u65b0&#xff0c;\u8ddf\u5f53\u524d\u7684\u67e5\u8be2\u5206\u5e03\u8131\u8282\u3002\u95ee\u9898\u96c6\u8981\u8ddf\u67e5\u8be2\u65e5\u5fd7\u540c\u6b65\u66f4\u65b0&#xff0c;\u6bcf\u6b21\u91cd\u5efa\u8bb0\u5f55\u7528\u7684\u662f\u54ea\u4e2a\u7248\u672c\u3002<\/p>\n<p>\u9608\u503c\u5b9a\u5f97\u592a\u677e\u3002 \u75c7\u72b6\u662f\u5207\u8fc7\u53bb\u51e0\u5929\u4e4b\u540e\u624d\u4ece\u4e1a\u52a1\u6307\u6807\u4e0a\u53d1\u73b0\u8d28\u91cf\u4e0b\u964d\u3002\u6839\u56e0\u662f\u62ff\u70b9\u4f30\u8ba1\u6bd4\u9608\u503c&#xff0c;\u6216\u8005\u6837\u672c\u91cf\u4e0d\u8db3\u3002\u7b2c 6 \u8282\u7684\u4e24\u4e2a\u51fd\u6570\u5c31\u662f\u4e3a\u5b83\u51c6\u5907\u7684\u3002<\/p>\n<p>\u56de\u6eda\u540e\u5fd8\u4e86\u5173\u53cc\u5199\u3002 \u75c7\u72b6\u662f\u56de\u6eda\u4e4b\u540e\u5199\u653e\u5927\u4e00\u76f4\u5b58\u5728&#xff0c;\u78c1\u76d8\u6c34\u4f4d\u7f13\u6162\u4e0a\u5347&#xff0c;\u51e0\u5468\u540e\u624d\u88ab\u53d1\u73b0\u3002\u56de\u6eda\u6d41\u7a0b\u91cc\u8981\u663e\u5f0f\u8bb0\u5f55\u53cc\u5199\u72b6\u6001&#xff0c;\u628a\u201c\u5173\u95ed\u53cc\u5199\u201d\u4f5c\u4e3a\u56de\u6eda\u6e05\u5355\u7684\u4e00\u9879&#xff0c;\u4e0d\u80fd\u9760\u4eba\u8bb0\u3002<\/p>\n<p>\u9002\u7528\u8fb9\u754c\u3002 \u8fd9\u5957\u6d41\u7a0b\u8981\u6c42\u5199\u5165\u8def\u5f84\u53ef\u63a7\u3001\u5355\u96c6\u7fa4\u3001\u6587\u6863 ID \u7a33\u5b9a\u3002\u8de8\u96c6\u7fa4\u573a\u666f\u4e0b\u522b\u540d\u4e0d\u8de8\u96c6\u7fa4&#xff0c;\u9700\u8981\u53e6\u4e00\u5c42\u8def\u7531&#xff08;\u6bd4\u5982\u5e94\u7528\u4fa7\u7684\u7d22\u5f15\u540d\u914d\u7f6e\u6216\u72ec\u7acb\u7684\u67e5\u8be2\u7f51\u5173&#xff09;&#xff0c;\u5224\u5b9a\u65b9\u6cd5\u53ef\u4ee5\u590d\u7528&#xff0c;\u5207\u6362\u673a\u5236\u8981\u91cd\u505a\u3002\u6587\u6863 ID \u4e0d\u7a33\u5b9a\u7684\u573a\u666f&#xff08;\u91cd\u5efa\u65f6\u91cd\u65b0\u751f\u6210 ID&#xff09;\u65e0\u6cd5\u505a\u6587\u6863\u7ea7\u6bd4\u5bf9&#xff0c;\u53ea\u80fd\u9000\u5230\u7b54\u6848\u7ea7\u6bd4\u5bf9&#xff0c;\u6837\u672c\u91cf\u8981\u663e\u8457\u52a0\u5927&#xff0c;\u56e0\u4e3a\u7b54\u6848\u7ea7\u6bd4\u5bf9\u7684\u566a\u58f0\u66f4\u5927\u3002\u5199\u5165\u8def\u5f84\u5b8c\u5168\u4e0d\u53d7\u63a7&#xff08;\u7b2c\u4e09\u65b9\u5e94\u7528\u76f4\u8fde Elasticsearch \u5199&#xff09;\u65f6\u53cc\u5199\u65e0\u4ece\u8c08\u8d77&#xff0c;\u53ea\u80fd\u8d70\u505c\u673a\u7a97\u53e3\u6216\u8005\u8ba9\u7b2c\u4e09\u65b9\u914d\u5408\u6539\u9020\u3002<\/p>\n<h3>9. \u5207\u6362\u8017\u65f6\u548c\u56de\u6eda\u8017\u65f6\u5206\u5f00\u9a8c\u6536<\/h3>\n<p>\u8fd9\u4e24\u4e2a\u6307\u6807\u7ecf\u5e38\u88ab\u5408\u6210\u4e00\u4e2a\u201c\u5207\u6362\u8017\u65f6\u201d&#xff0c;\u5b9e\u9645\u4e0a\u5b83\u4eec\u6d4b\u7684\u662f\u4e24\u4ef6\u4e0d\u540c\u7684\u4e8b&#xff0c;\u4e00\u4e2a\u662f\u6b63\u5e38\u8def\u5f84\u7684\u6027\u80fd&#xff0c;\u4e00\u4e2a\u662f\u5f02\u5e38\u8def\u5f84\u7684\u6027\u80fd&#xff0c;\u6df7\u5728\u4e00\u8d77\u4f1a\u8ba9\u56de\u6eda\u80fd\u529b\u88ab\u9ad8\u4f30\u3002<\/p>\n<p>\u5207\u6362\u8017\u65f6\u8981\u62c6\u6210\u4e09\u6bb5\u91cf&#xff1a;T0 \u662f\u53d1\u51fa POST \/_aliases \u7684\u65f6\u523b&#xff1b;T1 \u662f\u63a5\u53e3\u8fd4\u56de\u4e14\u522b\u540d\u9a8c\u8bc1\u901a\u8fc7&#xff08;\u76f4\u67e5 GET _alias\/docs \u786e\u8ba4\u6307\u5411\u65b0\u7d22\u5f15&#xff09;\u7684\u65f6\u523b&#xff1b;T2 \u662f\u901a\u8fc7\u522b\u540d\u5199\u5165\u7684\u63a2\u6d4b\u6587\u6863\u80fd\u88ab\u522b\u540d\u67e5\u5230\u7684\u65f6\u523b\u3002T1-T0 \u901a\u5e38\u5728\u4e00\u79d2\u4ee5\u5185&#xff0c;\u8fd9\u4e00\u6bb5\u51e0\u4e4e\u6ca1\u6709\u4f18\u5316\u7a7a\u95f4\u3002\u771f\u6b63\u6709\u6ce2\u52a8\u7684\u662f T2-T0&#xff0c;\u5b83\u53cd\u6620\u7684\u662f\u5ba2\u6237\u7aef\u7f13\u5b58\u3001\u8fde\u63a5\u6c60\u3001\u7f51\u5173\u914d\u7f6e\u8fd9\u4e9b\u5916\u56f4\u56e0\u7d20&#xff0c;\u53ef\u80fd\u4ece\u51e0\u5341\u6beb\u79d2\u5230\u51e0\u5341\u79d2\u3002\u9a8c\u6536\u8981\u76ef T2-T0&#xff0c;\u4e0d\u662f T1-T0\u3002<\/p>\n<p>\u56de\u6eda\u8017\u65f6\u540c\u6837\u4e09\u6bb5&#xff1a;\u51b3\u7b56\u65f6\u523b\u3001\u53cd\u5411 POST \u8fd4\u56de\u65f6\u523b\u3001\u65e7\u7d22\u5f15\u91cd\u65b0\u627f\u63a5\u67e5\u8be2\u7684\u65f6\u523b\u3002\u5728\u53cc\u5199\u672a\u505c\u7684\u524d\u63d0\u4e0b&#xff0c;\u8fd9\u4e09\u6bb5\u52a0\u8d77\u6765\u5e94\u5f53\u5728\u79d2\u7ea7\u3002\u9a8c\u6536\u7684\u65b9\u6cd5\u4e0d\u662f\u4f30\u7b97&#xff0c;\u662f\u5728\u9884\u53d1\u73af\u5883\u7528\u540c\u4e00\u5957\u811a\u672c\u6f14\u7ec3\u4e00\u6b21&#xff0c;\u8bb0\u5f55\u771f\u5b9e\u6570\u5b57&#xff0c;\u5e76\u4e14\u8fd9\u4e2a\u6570\u5b57\u8981\u5199\u8fdb\u53d1\u5e03\u68c0\u67e5\u5355\u2014\u2014\u5982\u679c\u67d0\u6b21\u6f14\u7ec3\u53d1\u73b0\u56de\u6eda\u8981\u56db\u5341\u79d2&#xff0c;\u90a3\u8bf4\u660e\u5916\u56f4\u7f13\u5b58\u6bd4\u9884\u671f\u4e25\u91cd&#xff0c;\u5207\u6362\u65b9\u6848\u672c\u8eab\u8981\u91cd\u65b0\u8bc4\u4f30\u3002<\/p>\n<p>\u5207\u6362\u7a97\u53e3\u7684\u53ef\u7528\u6027\u5355\u72ec\u8bb0\u5f55&#xff1a;\u5207\u6362\u524d\u540e\u5404\u4e09\u5341\u5206\u949f\u7684\u67e5\u8be2\u9519\u8bef\u7387\u3001P99\u3001\u8d85\u65f6\u6570\u3002\u522b\u540d\u5207\u6362\u672c\u8eab\u4e0d\u5e94\u8be5\u5f15\u8d77\u4efb\u4f55\u4e00\u9879\u53d8\u5316&#xff0c;\u5982\u679c\u5f15\u8d77\u4e86&#xff0c;\u8bf4\u660e\u6709\u8bf7\u6c42\u8def\u5f84\u6ca1\u8d70\u522b\u540d\u3002<\/p>\n<p>\u6570\u636e\u5b8c\u6574\u6027\u5728\u5207\u6362\u77ac\u95f4\u505a\u4e00\u6b21\u5b9a\u70b9\u68c0\u67e5&#xff1a;\u4ece\u65b0\u65e7\u7d22\u5f15\u5404\u62bd\u4e00\u6279 doc_id&#xff08;\u5305\u542b\u53cc\u5199\u7a97\u53e3\u5185\u7684\u65b0\u6587\u6863\u3001\u56de\u586b\u8986\u76d6\u7684\u5386\u53f2\u6587\u6863\u3001\u5893\u7891\u6587\u6863\u4e09\u7c7b&#xff09;&#xff0c;\u6bd4\u5bf9 revision\u3002\u8fd9\u4e00\u6279\u5fc5\u987b\u5168\u7b49&#xff0c;\u4e0d\u7b49\u5c31\u4e0d\u80fd\u7ee7\u7eed\u89c2\u5bdf\u671f\u3002<\/p>\n<p>\u9a8c\u6536\u8bb0\u5f55\u8981\u843d\u76d8&#xff0c;\u4f5c\u4e3a\u4e0b\u4e00\u6b21\u91cd\u5efa\u7684\u57fa\u7ebf\u3002\u4e0b\u4e00\u6b21\u7684\u5207\u6362\u8017\u65f6\u5982\u679c\u6bd4\u8fd9\u6b21\u9ad8\u51fa\u4e00\u4e2a\u6570\u91cf\u7ea7&#xff0c;\u8bf4\u660e\u57fa\u7840\u8bbe\u65bd\u53d8\u4e86&#xff0c;\u503c\u5f97\u67e5\u3002<\/p>\n<h3>\u603b\u7ed3<\/h3>\n<p>\u8fd9\u5957\u6d41\u7a0b\u7684\u5224\u5b9a\u53ef\u4ee5\u538b\u7f29\u6210\u4e09\u4e2a\u540c\u65f6\u6210\u7acb\u7684\u6761\u4ef6&#xff0c;\u7f3a\u4e00\u6761\u5c31\u4e0d\u5207&#xff1a;<\/p>\n<li>\u5bf9\u8d26\u5dee\u503c\u4e3a\u7a7a&#xff0c;\u4e14\u8fde\u7eed\u82e5\u5e72\u5206\u949f\u6ca1\u6709\u65b0\u7684\u5dee\u5f02\u4ea7\u751f\u2014\u2014\u8bf4\u660e\u53cc\u5199\u548c\u5bf9\u8d26\u628a\u589e\u91cf\u5bf9\u9f50\u4e86&#xff1b;<\/li>\n<li>\u56fa\u5b9a\u95ee\u9898\u96c6\u7684 Wilson 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