{"id":63388,"date":"2026-01-21T22:49:41","date_gmt":"2026-01-21T14:49:41","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/63388.html"},"modified":"2026-01-21T22:49:41","modified_gmt":"2026-01-21T14:49:41","slug":"%e7%89%b9%e5%be%81%e5%b7%a5%e7%a8%8b%e4%b8%8d%e8%af%a5%e5%86%8d%e9%9d%a0%e4%ba%ba%e8%82%89%ef%bc%9a%e8%81%8a%e8%81%8a-feature-store-%e4%b8%ba%e4%bb%80%e4%b9%88%e6%98%af%e6%95%b0%e6%8d%ae%e5%9b%a2","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/63388.html","title":{"rendered":"\u7279\u5f81\u5de5\u7a0b\u4e0d\u8be5\u518d\u9760\u4eba\u8089\uff1a\u804a\u804a Feature Store \u4e3a\u4ec0\u4e48\u662f\u6570\u636e\u56e2\u961f\u7684\u5206\u6c34\u5cad"},"content":{"rendered":"<h3>\u201c\u7279\u5f81\u5de5\u7a0b\u4e0d\u8be5\u518d\u9760\u4eba\u8089&#xff1a;\u804a\u804a Feature Store \u4e3a\u4ec0\u4e48\u662f\u6570\u636e\u56e2\u961f\u7684\u5206\u6c34\u5cad\u201d<\/h3>\n<hr \/>\n<p>\u8bf4\u53e5\u638f\u5fc3\u7a9d\u5b50\u7684\u5b9e\u8bdd&#xff1a;<br \/>\n\u7edd\u5927\u591a\u6570\u6a21\u578b\u6548\u679c\u4e0d\u884c&#xff0c;\u771f\u4e0d\u602a\u7b97\u6cd5&#xff0c;\u602a\u7279\u5f81\u3002<br \/>\n\u800c\u7edd\u5927\u591a\u6570\u7279\u5f81\u95ee\u9898&#xff0c;\u4e5f\u4e0d\u602a\u4f60\u4e0d\u52aa\u529b&#xff0c;\u662f\u5de5\u7a0b\u65b9\u5f0f\u592a\u539f\u59cb\u4e86\u3002<\/p>\n<p>\u6211\u89c1\u8fc7\u592a\u591a\u56e2\u961f&#xff0c;\u6a21\u578b\u8c03\u4e86\u4e00\u5708\u53c8\u4e00\u5708&#xff0c;\u53c2\u6570\u7f51\u683c\u641c\u7d22\u8dd1\u5230\u5929\u8352\u5730\u8001&#xff0c;\u6700\u540e\u53d1\u73b0\u2014\u2014<\/p>\n<p>\u7ebf\u4e0a\u7ebf\u4e0b\u7279\u5f81\u4e0d\u4e00\u81f4<br \/>\n\u8bad\u7ec3\u7528\u7684\u7279\u5f81\u7ebf\u4e0a\u7b97\u4e0d\u51fa\u6765<br \/>\n\u7279\u5f81\u5b9a\u4e49\u6bcf\u4e2a\u9879\u76ee\u90fd\u5199\u4e00\u904d<br \/>\n\u65b0\u540c\u4e8b\u6839\u672c\u4e0d\u77e5\u9053\u201c\u8fd9\u4e2a\u7279\u5f81\u662f\u600e\u4e48\u6765\u7684\u201d<\/p>\n<p>\u8fd9\u65f6\u5019&#xff0c;\u4f60\u518d\u591a\u4e00\u4e2a SOTA \u6a21\u578b&#xff0c;\u610f\u4e49\u4e5f\u4e0d\u5927\u3002<\/p>\n<p>Feature Store&#xff08;\u7279\u5f81\u5de5\u7a0b\u81ea\u52a8\u5316\u5e73\u53f0&#xff09;&#xff0c;\u672c\u8d28\u4e0a\u5c31\u662f\u6765\u201c\u6536\u62fe\u70c2\u644a\u5b50\u201d\u7684&#xff0c;\u4f46\u5b83\u89e3\u51b3\u7684\u4e0d\u662f\u6280\u672f\u70ab\u6280\u95ee\u9898&#xff0c;\u800c\u662f\u5de5\u7a0b\u79e9\u5e8f\u95ee\u9898\u3002<\/p>\n<hr \/>\n<h3>\u4e00\u3001\u5148\u8bf4\u4eba\u8bdd&#xff1a;Feature Store \u5230\u5e95\u89e3\u51b3\u4ec0\u4e48&#xff1f;<\/h3>\n<p>\u6211\u5148\u4e0d\u8bb2\u67b6\u6784&#xff0c;\u5148\u8bb2\u73b0\u5b9e\u573a\u666f\u3002<\/p>\n<h4>\u6ca1\u6709 Feature Store \u7684\u65e5\u5e38<\/h4>\n<ul>\n<li>A \u540c\u5b66\u5728 Hive \u91cc\u5199\u4e86\u4e00\u4efd\u7279\u5f81 SQL<\/li>\n<li>B \u540c\u5b66\u5728 Flink \u91cc\u53c8\u5199\u4e86\u4e00\u4efd\u5dee\u4e0d\u591a\u7684<\/li>\n<li>C \u540c\u5b66\u7ebf\u4e0a\u63a8\u7406\u65f6\u7528 Python \u624b\u6413\u4e86\u4e00\u904d<\/li>\n<li>\u534a\u5e74\u540e&#xff0c;\u6ca1\u4eba\u8bf4\u5f97\u6e05&#xff1a;<br \/>\n\u201c\u8fd9\u4e2a\u7279\u5f81\u53e3\u5f84\u5230\u5e95\u4ee5\u8c01\u4e3a\u51c6&#xff1f;\u201d<\/li>\n<\/ul>\n<p>\u6700\u540e\u7684\u7ed3\u679c\u5c31\u662f\u56db\u4e2a\u5b57&#xff1a;<br \/>\n\u7279\u5f81\u6f02\u79fb&#xff0c;\u6a21\u578b\u80cc\u9505\u3002<\/p>\n<hr \/>\n<h4>Feature Store \u7684\u6838\u5fc3\u4ef7\u503c&#xff08;\u4e00\u53e5\u8bdd\u7248&#xff09;<\/h4>\n<p>\u4e00\u6b21\u5b9a\u4e49\u7279\u5f81&#xff0c;\u591a\u5904\u4e00\u81f4\u4f7f\u7528&#xff0c;\u8bad\u7ec3\u548c\u7ebf\u4e0a\u6c38\u8fdc\u5bf9\u9f50\u3002<\/p>\n<p>\u4e0d\u662f\u201c\u9ad8\u7ea7\u6570\u636e\u4ed3\u5e93\u201d&#xff0c;\u4e5f\u4e0d\u662f\u201c\u7279\u5f81\u7248\u6570\u636e\u6e56\u201d&#xff0c;<br \/>\n\u5b83\u66f4\u50cf\u662f&#xff1a;<br \/>\n&#x1f449; \u6a21\u578b\u4e16\u754c\u7684\u201c\u7edf\u4e00\u6570\u636e\u4e8b\u5b9e\u5c42\u201d<\/p>\n<hr \/>\n<h3>\u4e8c\u3001\u522b\u4e00\u4e0a\u6765\u5c31\u641e\u5927\u800c\u5168&#xff0c;Feature Store \u7684\u6700\u5c0f\u95ed\u73af<\/h3>\n<p>\u5f88\u591a\u56e2\u961f\u4e00\u63d0 Feature Store&#xff0c;\u8111\u5b50\u91cc\u7acb\u9a6c\u6d6e\u73b0&#xff1a;<\/p>\n<ul>\n<li>\u79bb\u7ebf &#043; \u5b9e\u65f6<\/li>\n<li>\u6743\u9650\u6cbb\u7406<\/li>\n<li>\u8840\u7f18\u5206\u6790<\/li>\n<li>UI \u7ba1\u7406\u53f0<\/li>\n<li>\u7279\u5f81\u56de\u6eaf<\/li>\n<\/ul>\n<p>\u6211\u4e00\u822c\u4f1a\u6cfc\u4e00\u76c6\u51b7\u6c34&#xff1a;<br \/>\n\u5148\u6d3b\u4e0b\u6765&#xff0c;\u518d\u8c08\u4f18\u96c5\u3002<\/p>\n<h4>\u4e00\u4e2a\u80fd\u843d\u5730\u7684 Feature Store&#xff0c;\u6700\u5c0f\u8981\u6ee1\u8db3\u4e09\u70b9&#xff1a;<\/h4>\n<li>\u7279\u5f81\u6709\u660e\u786e\u7684\u5b9a\u4e49&#xff08;Definition&#xff09;<\/li>\n<li>\u7279\u5f81\u80fd\u88ab\u590d\u7528&#xff08;Reuse&#xff09;<\/li>\n<li>\u7279\u5f81\u80fd\u88ab\u4e00\u81f4\u8ba1\u7b97&#xff08;Consistency&#xff09;<\/li>\n<p>\u6211\u4eec\u7528\u4e00\u4e2a\u975e\u5e38\u201c\u63a5\u5730\u6c14\u201d\u7684\u65b9\u5f0f\u770b\u3002<\/p>\n<hr \/>\n<h3>\u4e09\u3001\u4ece\u201cSQL \u7247\u6bb5\u201d\u5347\u7ea7\u5230\u201c\u7279\u5f81\u5bf9\u8c61\u201d<\/h3>\n<h4>\u53cd\u9762\u6559\u6750&#xff1a;\u5230\u5904\u590d\u5236 SQL<\/h4>\n<p><span class=\"token keyword\">SELECT<\/span><br \/>\n  user_id<span class=\"token punctuation\">,<\/span><br \/>\n  <span class=\"token function\">COUNT<\/span><span class=\"token punctuation\">(<\/span>order_id<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">AS<\/span> order_cnt_30d<br \/>\n<span class=\"token keyword\">FROM<\/span> orders<br \/>\n<span class=\"token keyword\">WHERE<\/span> order_time <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token keyword\">current_date<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">30<\/span><br \/>\n<span class=\"token keyword\">GROUP<\/span> <span class=\"token keyword\">BY<\/span> user_id<\/p>\n<p>\u8fd9\u6bb5 SQL&#xff0c;\u4f60\u6562\u8bf4\u4f60\u53ea\u5199\u8fc7\u4e00\u6b21&#xff1f;<br \/>\n\u6211\u4e0d\u4fe1 &#x1f605;<\/p>\n<hr \/>\n<h4>Feature Store \u7684\u7b2c\u4e00\u6b65&#xff1a;\u7279\u5f81\u5373\u4ee3\u7801&#xff08;Feature as Code&#xff09;<\/h4>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">OrderCount30d<\/span><span class=\"token punctuation\">(<\/span>Feature<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    name <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;order_cnt_30d&#034;<\/span><br \/>\n    entity <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;user_id&#034;<\/span><br \/>\n    window <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;30d&#034;<\/span><\/p>\n<p>    <span class=\"token keyword\">def<\/span> <span class=\"token function\">compute<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n        SELECT<br \/>\n          user_id,<br \/>\n          COUNT(order_id) AS order_cnt_30d<br \/>\n        FROM orders<br \/>\n        WHERE order_time &gt;&#061; ${end_time} &#8211; INTERVAL 30 DAY<br \/>\n        GROUP BY user_id<br \/>\n        &#034;&#034;&#034;<\/span><\/p>\n<p>\u8fd9\u4e00\u6b65\u5f88\u91cd\u8981&#xff1a;<\/p>\n<ul>\n<li>\u7279\u5f81\u4ece\u201c\u968f\u624b SQL\u201d<\/li>\n<li>\u5347\u7ea7\u6210\u201c\u6709\u8eab\u4efd\u3001\u6709\u540d\u5b57\u3001\u6709\u53e3\u5f84\u7684\u5bf9\u8c61\u201d<\/li>\n<\/ul>\n<p>\u8fd9\u4e0d\u662f\u4e3a\u4e86\u597d\u770b&#xff0c;\u662f\u4e3a\u4e86\u2014\u2014<\/p>\n<p>\u8ba9\u7279\u5f81\u53ef\u4ee5\u88ab\u6cbb\u7406<\/p>\n<hr \/>\n<h3>\u56db\u3001\u81ea\u52a8\u5316\u7684\u5173\u952e&#xff1a;\u8bad\u7ec3 &amp; \u63a8\u7406\u7528\u540c\u4e00\u5957\u903b\u8f91<\/h3>\n<p>\u6211\u89c1\u8fc7\u6700\u79bb\u8c31\u7684\u60c5\u51b5\u662f&#xff1a;<\/p>\n<ul>\n<li>\u8bad\u7ec3&#xff1a;Spark SQL \u7b97<\/li>\n<li>\u7ebf\u4e0a&#xff1a;Python \u624b\u5199\u903b\u8f91<\/li>\n<li>\u7ed3\u679c&#xff1a;\u7ebf\u4e0a\u5206\u5e03\u548c\u8bad\u7ec3\u5b8c\u5168\u4e0d\u4e00\u6837<\/li>\n<\/ul>\n<p>Feature Store \u5fc5\u987b\u5e72\u7684\u4e00\u4ef6\u810f\u6d3b\u7d2f\u6d3b&#xff1a;<br \/>\n&#x1f449; \u540c\u4e00\u4efd\u7279\u5f81\u5b9a\u4e49&#xff0c;\u751f\u6210\u79bb\u7ebf\u548c\u5728\u7ebf\u4e24\u5957\u6267\u884c\u8ba1\u5212<\/p>\n<h4>\u793a\u4f8b&#xff1a;\u540c\u4e00\u7279\u5f81&#xff0c;\u4e24\u79cd\u6267\u884c\u6a21\u5f0f<\/h4>\n<p>feature <span class=\"token operator\">&#061;<\/span> OrderCount30d<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u79bb\u7ebf\u8bad\u7ec3<\/span><br \/>\noffline_df <span class=\"token operator\">&#061;<\/span> feature<span class=\"token punctuation\">.<\/span>compute_offline<span class=\"token punctuation\">(<\/span><br \/>\n    start_time<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;2025-01-01&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    end_time<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;2025-01-31&#034;<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u5728\u7ebf\u63a8\u7406<\/span><br \/>\nonline_value <span class=\"token operator\">&#061;<\/span> feature<span class=\"token punctuation\">.<\/span>compute_online<span class=\"token punctuation\">(<\/span>user_id<span class=\"token operator\">&#061;<\/span><span class=\"token number\">123<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u80cc\u540e\u53ef\u80fd\u662f&#xff1a;<\/p>\n<ul>\n<li>\u79bb\u7ebf \u2192 Spark \/ Hive<\/li>\n<li>\u5728\u7ebf \u2192 Flink \/ Redis \/ KV Store<\/li>\n<\/ul>\n<p>\u4f46\u8fd9\u4e0d\u8be5\u662f\u7b97\u6cd5\u540c\u5b66\u5173\u5fc3\u7684\u4e8b\u3002<\/p>\n<p>\u7b97\u6cd5\u540c\u5b66\u53ea\u5173\u5fc3&#xff1a;<br \/>\n\u201c\u6211\u7528\u7684\u7279\u5f81&#xff0c;\u548c\u7ebf\u4e0a\u662f\u4e0d\u662f\u4e00\u4e2a\u4e1c\u897f&#xff1f;\u201d<\/p>\n<hr \/>\n<h3>\u4e94\u3001Feature Store \u771f\u6b63\u96be\u7684&#xff0c;\u4e0d\u662f\u6280\u672f&#xff0c;\u662f\u8fb9\u754c<\/h3>\n<p>\u8bf4\u70b9\u5927\u5b9e\u8bdd\u3002<br \/>\nFeature Store \u9879\u76ee\u7ffb\u8f66&#xff0c;80% \u4e0d\u662f\u6280\u672f\u539f\u56e0\u3002<\/p>\n<h4>\u5e38\u89c1\u7ffb\u8f66\u70b9<\/h4>\n<li>\u7279\u5f81\u548c\u6307\u6807\u6df7\u5728\u4e00\u8d77<\/li>\n<li>\u4e1a\u52a1\u53e3\u5f84\u6ca1\u4eba\u62cd\u677f<\/li>\n<li>\u6240\u6709\u7279\u5f81\u90fd\u60f3\u5e73\u53f0\u5316<\/li>\n<li>\u628a Feature Store \u5f53 BI \u7528<\/li>\n<p>\u6211\u4e2a\u4eba\u7684\u4e00\u4e2a\u5f3a\u70c8\u89c2\u70b9\u662f&#xff1a;<\/p>\n<p>Feature Store \u4e0d\u662f\u6570\u636e\u4ed3\u5e93\u7684\u5347\u7ea7\u7248&#xff0c;\u800c\u662f\u6a21\u578b\u7684\u57fa\u7840\u8bbe\u65bd\u3002<\/p>\n<hr \/>\n<h4>\u4e00\u4e2a\u6211\u8e29\u8fc7\u7684\u5751<\/h4>\n<p>\u65e9\u671f\u6211\u4eec\u8bd5\u56fe\u628a\u201c\u6240\u6709\u5bbd\u8868\u201d\u90fd\u653e\u8fdb Feature Store&#xff0c;<br \/>\n\u7ed3\u679c\u662f&#xff1a;<\/p>\n<ul>\n<li>\u7279\u5f81\u7206\u70b8<\/li>\n<li>\u6743\u9650\u6df7\u4e71<\/li>\n<li>\u7ef4\u62a4\u6210\u672c\u6307\u6570\u7ea7\u4e0a\u5347<\/li>\n<\/ul>\n<p>\u540e\u6765\u75db\u5b9a\u601d\u75db&#xff0c;\u780d\u4e86\u4e00\u534a&#xff0c;\u53ea\u4fdd\u7559&#xff1a;<\/p>\n<ul>\n<li>\u76f4\u63a5\u670d\u52a1\u6a21\u578b\u7684\u7279\u5f81<\/li>\n<li>\u6709\u660e\u786e\u5b9e\u4f53&#xff08;user\/item\/order&#xff09;\u7684\u7279\u5f81<\/li>\n<\/ul>\n<p>\u7cfb\u7edf\u4e00\u4e0b\u5b50\u6e05\u723d\u4e86\u3002<\/p>\n<hr \/>\n<h3>\u516d\u3001\u4e00\u4e2a\u7b80\u5355\u4f46\u5b9e\u7528\u7684 Feature Store \u67b6\u6784<\/h3>\n<p>\u4e0d\u753b PPT&#xff0c;\u7528\u6587\u5b57\u63cf\u8ff0&#xff1a;<\/p>\n<p>[ \u6570\u636e\u6e90 ]<br \/>\n   |<br \/>\n   v<br \/>\n[ \u7279\u5f81\u5b9a\u4e49\u5c42 ]<br \/>\n   |<br \/>\n   &#043;&#8211;&gt; 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