{"id":74147,"date":"2026-02-09T08:05:41","date_gmt":"2026-02-09T00:05:41","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/74147.html"},"modified":"2026-02-09T08:05:41","modified_gmt":"2026-02-09T00:05:41","slug":"%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%89%a9%e5%ae%b9%e6%97%b6%ef%bc%8c%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e6%95%b0%e6%8d%ae%e5%85%a8%e5%91%98%e5%a4%a7%e6%90%ac%e5%ae%b6%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/74147.html","title":{"rendered":"\u670d\u52a1\u5668\u6269\u5bb9\u65f6\uff0c\u5982\u4f55\u907f\u514d\u6570\u636e\u201c\u5168\u5458\u5927\u642c\u5bb6\u201d\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260209000539-698924d317d5b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u5728\u5206\u5e03\u5f0f\u7f13\u5b58&#xff08;\u5982 Redis Cluster, Memcached&#xff09;\u6216\u8005\u8d1f\u8f7d\u5747\u8861&#xff08;Nginx&#xff09;\u4e2d&#xff0c;\u6211\u4eec\u7ecf\u5e38\u8981\u628a\u6d77\u91cf\u7684\u6570\u636e&#xff08;Key&#xff09;\u5747\u5300\u5730\u5206\u914d\u7ed9\u591a\u53f0\u673a\u5668&#xff08;Node&#xff09;\u3002<\/p>\n<p>\u6700\u7b80\u5355\u7684\u529e\u6cd5\u662f \u53d6\u6a21\u8fd0\u7b97 (Hash(key) % N)\u3002<br \/>\n\u6bd4\u5982\u4f60\u6709 3 \u53f0\u673a\u5668&#xff0c;Key&#061;10&#xff0c;10 % 3 &#061; 1&#xff0c;\u90a3\u5c31\u53bb 1 \u53f7\u673a\u5668\u3002<\/p>\n<p>\u4f46\u662f&#xff0c;\u8fd9\u4e2a\u7b97\u6cd5\u6709\u4e00\u4e2a\u81f4\u547d\u7684\u7f3a\u9677&#xff1a;<br \/>\n\u5982\u679c\u4f60\u60f3\u52a0\u4e00\u53f0\u673a\u5668&#xff08;\u4ece 3 \u53f0\u53d8\u6210 4 \u53f0&#xff09;&#xff0c;\u5206\u6bcd\u53d8\u4e86&#xff0c;\u6240\u6709\u4f59\u6570\u90fd\u53d8\u4e86\u3002<br \/>\n\u8fd9\u610f\u5473\u7740&#xff1a;\u51e0\u4e4e\u6240\u6709\u7684\u6570\u636e\u90fd\u8981\u6362\u4f4d\u7f6e\u3002<br \/>\n\u8fd9\u4f1a\u5bfc\u81f4\u7f13\u5b58\u96ea\u5d29\u2014\u2014\u6240\u6709\u7f13\u5b58\u5931\u6548&#xff0c;\u6d41\u91cf\u77ac\u95f4\u51fb\u7a7f\u6570\u636e\u5e93\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898&#xff0c;\u4e00\u81f4\u6027\u54c8\u5e0c \u8bde\u751f\u4e86\u3002\u5b83\u628a\u76f4\u7ebf\u53d8\u6210\u4e86\u5706\u5708\u3002<\/p>\n<hr \/>\n<h3>&#x1f3a1; \u4e00\u3001\u6280\u672f\u5206\u6790&#xff1a;\u628a\u76f4\u7ebf\u5f2f\u6210\u5706<\/h3>\n<h4>1. \u54c8\u5e0c\u73af (Hash Ring)<\/h4>\n<p>\u60f3\u8c61\u4e00\u6761\u65e0\u9650\u957f\u7684\u76f4\u7ebf&#xff0c;\u6211\u4eec\u628a\u5b83\u9996\u5c3e\u76f8\u63a5&#xff0c;\u53d8\u6210\u4e00\u4e2a\u5706\u73af\u3002<br \/>\n\u8fd9\u4e2a\u5706\u73af\u4e0a\u6709  \u4e2a\u70b9&#xff08;\u4ece 0 \u5230 &#xff09;\u3002<\/p>\n<h4>2. \u843d\u70b9\u89c4\u5219<\/h4>\n<ul>\n<li>\u653e\u673a\u5668: \u628a 3 \u53f0\u670d\u52a1\u5668&#xff08;A, B, C&#xff09;\u901a\u8fc7\u54c8\u5e0c\u7b97\u6cd5&#xff0c;\u7b97\u51fa\u5b83\u4eec\u5728\u5706\u73af\u4e0a\u7684\u4f4d\u7f6e\u3002<\/li>\n<li>\u653e\u6570\u636e: \u628a\u6570\u636e&#xff08;Key&#xff09;\u4e5f\u7b97\u51fa\u54c8\u5e0c\u503c&#xff0c;\u843d\u5728\u5706\u73af\u4e0a\u3002<\/li>\n<li>\u627e\u5bb6: \u6570\u636e\u7684\u5f52\u5c5e\u89c4\u5219\u662f&#xff1a;\u987a\u65f6\u9488\u5f80\u4e0b\u8d70&#xff0c;\u9047\u5230\u7684\u7b2c\u4e00\u53f0\u670d\u52a1\u5668&#xff0c;\u5c31\u662f\u6211\u7684\u5bb6\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>&#x1f3e0; \u4e8c\u3001\u6545\u4e8b\u573a\u666f&#xff1a;\u670d\u52a1\u5668\u7684\u201c\u62a2\u6905\u5b50\u201d\u6e38\u620f<\/h3>\n<p>\u4e3a\u4e86\u641e\u61c2\u5b83\u4e3a\u4ec0\u4e48\u80fd\u6297\u6269\u5bb9&#xff0c;\u6211\u4eec\u5c06 \u670d\u52a1\u5668 \u6bd4\u4f5c \u73a9\u6e38\u620f\u7684\u5706\u684c\u3002<\/p>\n<h4>1. \u521d\u59cb\u72b6\u6001 (3 \u53f0\u673a\u5668)<\/h4>\n<ul>\n<li>\u5706\u684c: \u5de8\u5927\u7684\u5706\u684c\u8fb9\u5750\u7740 3 \u4e2a\u4eba&#xff1a;A\u3001B\u3001C\u3002<\/li>\n<li>\u89c4\u5219: \u6240\u6709\u7684\u76d8\u5b50&#xff08;\u6570\u636e&#xff09;\u88ab\u653e\u5728\u684c\u4e0a\u3002\u76d8\u5b50\u5c5e\u4e8e\u5b83\u987a\u65f6\u9488\u65b9\u5411\u7684\u7b2c\u4e00\u4e2a\u4eba\u3002<\/li>\n<li>\u76d8\u5b50 1 \u5728 A \u548c B \u4e4b\u95f4 -&gt; \u5f52 B \u7ba1\u3002<\/li>\n<li>\u76d8\u5b50 2 \u5728 B \u548c C \u4e4b\u95f4 -&gt; \u5f52 C \u7ba1\u3002<\/li>\n<li>\u76d8\u5b50 3 \u5728 C \u548c A \u4e4b\u95f4 -&gt; \u5f52 A \u7ba1\u3002<\/li>\n<\/ul>\n<h4>2. \u6269\u5bb9\u5371\u673a (\u52a0\u4e86 1 \u53f0\u673a\u5668 D)<\/h4>\n<ul>\n<li>\n<p>\u573a\u666f: \u4e1a\u52a1\u592a\u706b\u4e86&#xff0c;\u4f60\u8981\u52a0\u4e00\u53f0\u670d\u52a1\u5668 D\u3002<\/p>\n<\/li>\n<li>\n<p>\u843d\u5ea7: D \u5750\u5728\u4e86 B \u548c C \u4e4b\u95f4\u7684\u4f4d\u7f6e\u3002<\/p>\n<\/li>\n<li>\n<p>\u5f71\u54cd:<\/p>\n<\/li>\n<li>\n<p>\u53ea\u6709 D \u548c B \u4e4b\u95f4 \u7684\u90a3\u4e9b\u76d8\u5b50&#xff0c;\u539f\u672c\u662f\u5f52 C \u7ba1\u7684&#xff0c;\u73b0\u5728\u987a\u65f6\u9488\u5148\u9047\u5230\u4e86 D&#xff0c;\u6240\u4ee5\u8981\u642c\u5bb6\u7ed9 D\u3002<\/p>\n<\/li>\n<li>\n<p>\u5173\u952e\u70b9: \u5176\u4ed6\u5730\u65b9\u7684\u76d8\u5b50&#xff08;A \u7684\u76d8\u5b50\u3001B \u7684\u76d8\u5b50\u3001C \u5269\u4e0b\u7684\u5927\u90e8\u5206\u76d8\u5b50&#xff09;\u5b8c\u5168\u4e0d\u7528\u52a8&#xff01;<\/p>\n<\/li>\n<li>\n<p>\u7ed3\u8bba: \u52a0\u4e00\u53f0\u673a\u5668&#xff0c;\u53ea\u5f71\u54cd\u8fd9\u4e00\u5c0f\u6bb5\u6570\u636e\u3002\u6570\u636e\u8fc1\u79fb\u91cf\u6781\u5c0f\u3002<\/p>\n<\/li>\n<\/ul>\n<h4>3. \u5b95\u673a\u5371\u673a (\u673a\u5668 B \u6302\u4e86)<\/h4>\n<ul>\n<li>\u573a\u666f: \u670d\u52a1\u5668 B \u7a81\u7136\u5192\u70df\u4e86\u3002<\/li>\n<li>\u5f71\u54cd:<\/li>\n<li>B \u8d70\u4e86\u3002\u539f\u672c\u5f52 B \u7ba1\u7684\u90a3\u4e9b\u76d8\u5b50&#xff0c;\u987a\u65f6\u9488\u5f80\u4e0b\u627e&#xff0c;\u8fd9\u5c31\u627e\u5230\u4e86 C&#xff08;\u6216\u8005 D&#xff09;\u3002<\/li>\n<li>\u8fd9\u4e9b\u6570\u636e\u4f1a\u81ea\u52a8\u8f6c\u79fb\u7ed9 C\u3002<\/li>\n<li>\u5173\u952e\u70b9: A \u548c\u5176\u4ed6\u4eba\u7684\u6570\u636e\u4f9d\u7136\u4e0d\u52a8\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>&#x1f977; \u4e09\u3001\u8fdb\u9636&#xff1a;\u6570\u636e\u503e\u659c\u4e0e\u201c\u5f71\u5206\u8eab\u201d\u672f<\/h3>\n<p>\u4e00\u81f4\u6027\u54c8\u5e0c\u770b\u4f3c\u5b8c\u7f8e&#xff0c;\u4f46\u6709\u4e2a Bug\u3002<br \/>\n\u5982\u679c\u673a\u5668\u5f88\u5c11&#xff08;\u6bd4\u5982\u53ea\u6709 2 \u53f0 A \u548c B&#xff09;&#xff0c;\u800c\u4e14\u5b83\u4eec\u51d1\u5de7\u5750\u5f97\u5f88\u8fd1\u3002<\/p>\n<ul>\n<li>\u7ed3\u679c: \u5706\u73af\u4e0a\u4e00\u5927\u534a\u7684\u7a7a\u95f4\u90fd\u5f52 A \u7ba1&#xff0c;B \u53ea\u7ba1\u4e00\u5c0f\u6761\u3002A \u4f1a\u88ab\u7d2f\u6b7b&#xff0c;B \u5728\u6478\u9c7c\u3002 \u8fd9\u53eb \u6570\u636e\u503e\u659c (Data Skew)\u3002<\/li>\n<\/ul>\n<p>\u600e\u4e48\u89e3\u51b3&#xff1f;\u865a\u62df\u8282\u70b9 (Virtual Nodes)\u3002<\/p>\n<ul>\n<li>\n<p>\u5f71\u5206\u8eab: \u65e2\u7136\u5b9e\u4f53\u673a\u5668\u5c11&#xff0c;\u6211\u5c31\u53d8\u51fa\u5f88\u591a\u5206\u8eab\u3002<\/p>\n<\/li>\n<li>\n<p>\u673a\u5668 A \u53d8\u51fa A1, A2, \u2026 A100\u3002<\/p>\n<\/li>\n<li>\n<p>\u673a\u5668 B \u53d8\u51fa B1, B2, \u2026 B100\u3002<\/p>\n<\/li>\n<li>\n<p>\u5747\u5300\u5206\u5e03: \u628a\u8fd9 200 \u4e2a\u5206\u8eab\u968f\u673a\u6253\u6563\u5728\u5706\u73af\u4e0a\u3002<\/p>\n<\/li>\n<li>\n<p>\u7ed3\u679c: \u65e0\u8bba\u771f\u5b9e\u7684 A \u548c B \u600e\u4e48\u5750&#xff0c;\u5b83\u4eec\u7684\u5206\u8eab\u90fd\u5747\u5300\u5730\u5360\u6ee1\u4e86\u6574\u4e2a\u5706\u73af\u3002\u6570\u636e\u81ea\u7136\u4e5f\u5c31\u5747\u5300\u4e86\u3002<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h3>&#x1f3af; \u56db\u3001\u603b\u7ed3&#xff1a;\u4e0d\u6298\u817e\u624d\u662f\u786c\u9053\u7406<\/h3>\n<p>\u4e00\u81f4\u6027\u54c8\u5e0c\u7684\u54f2\u5b66\u662f&#xff1a;\u62e5\u62b1\u53d8\u5316&#xff0c;\u4f46\u62d2\u7edd\u5267\u53d8\u3002<\/p>\n<li>\u5355\u8c03\u6027: \u589e\u52a0\u673a\u5668&#xff0c;\u65e7\u6570\u636e\u8981\u4e48\u4e0d\u52a8&#xff0c;\u8981\u4e48\u53bb\u65b0\u673a\u5668&#xff0c;\u7edd\u4e0d\u4f1a\u4e71\u7a9c\u5230\u5176\u4ed6\u65e7\u673a\u5668\u3002<\/li>\n<li>\u5e73\u8861\u6027: \u5229\u7528\u865a\u62df\u8282\u70b9&#xff0c;\u4fdd\u8bc1\u6570\u636e\u5747\u5300\u5206\u5e03\u3002<\/li>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5206\u5e03\u5f0f\u7f13\u5b58&#xff08;\u5982 Redis Cluster, Memcached&#xff09;\u6216\u8005\u8d1f\u8f7d\u5747\u8861&#xff08;Nginx&#xff09;\u4e2d&#xff0c;\u6211\u4eec\u7ecf\u5e38\u8981\u628a\u6d77\u91cf\u7684\u6570\u636e&#xff08;Key&#xff09;\u5747\u5300\u5730\u5206\u914d\u7ed9\u591a\u53f0\u673a\u5668&#xff08;Node&#xff09;\u3002<br \/>\n\u6700\u7b80\u5355\u7684\u529e\u6cd5\u662f \u53d6\u6a21\u8fd0\u7b97 (Hash(key) % N)\u3002<br \/>\n\u6bd4\u5982\u4f60\u6709 3 \u53f0\u673a\u5668&#xff0c;Key10&#xff0c;10 % 3  1&#xff0c;\u90a3\u5c31\u53bb 1 \u53f7\u673a\u5668\u3002<br \/>\n\u4f46\u662f&amp;#x<\/p>\n","protected":false},"author":2,"featured_media":74146,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[43,44],"topic":[],"class_list":["post-74147","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-43","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u670d\u52a1\u5668\u6269\u5bb9\u65f6\uff0c\u5982\u4f55\u907f\u514d\u6570\u636e\u201c\u5168\u5458\u5927\u642c\u5bb6\u201d\uff1f - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, 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