{"id":174605,"date":"2024-11-07T22:44:18","date_gmt":"2024-11-07T14:44:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174605\/"},"modified":"2024-11-07T22:44:19","modified_gmt":"2024-11-07T14:44:19","slug":"%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e7%8d%b2%e5%8f%96redis%e4%b8%ad%e7%9a%84%e6%89%80%e6%9c%89%e9%8d%b5%ef%bc%88%e7%8d%b2%e5%8f%96%e6%89%80%e6%9c%89redis%e7%9a%84%e9%8d%b5%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174605\/","title":{"rendered":"\u5982\u4f55\u5feb\u901f\u7372\u53d6Redis\u4e2d\u7684\u6240\u6709\u9375\uff08\u7372\u53d6\u6240\u6709redis\u7684\u9375\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e7%8d%b2%e5%8f%96redis%e4%b8%ad%e7%9a%84%e6%89%80%e6%9c%89%e9%8d%b5%ef%bc%88%e7%8d%b2%e5%8f%96%e6%89%80%e6%9c%89redis%e7%9a%84%e9%8d%b5%ef%bc%89-SaJtTEjWWd\">\u5982\u4f55\u5feb\u901f\u7372\u53d6Redis\u4e2d\u7684\u6240\u6709\u9375\uff08\u7372\u53d6\u6240\u6709redis\u7684\u9375\uff09<\/h1>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u7576\u6211\u5011\u9700\u8981\u7372\u53d6Redis\u4e2d\u7684\u6240\u6709\u9375\u6642\uff0c\u901a\u5e38\u6703\u4f7f\u7528\u4e00\u4e9b\u7279\u5b9a\u7684\u547d\u4ee4\u4f86\u9054\u6210\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5feb\u901f\u7372\u53d6Redis\u4e2d\u7684\u6240\u6709\u9375\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8keys%e5%91%bd%e4%bb%a4-SaJtTEjWWd\">\u4f7f\u7528KEYS\u547d\u4ee4<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u6700\u5e38\u7528\u4f86\u7372\u53d6\u6240\u6709\u9375\u7684\u547d\u4ee4\u662f<code>KEYS<\/code>\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u6839\u64da\u6307\u5b9a\u7684\u6a21\u5f0f\u8fd4\u56de\u6240\u6709\u5339\u914d\u7684\u9375\u3002\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>KEYS pattern<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u60f3\u7372\u53d6\u6240\u6709\u7684\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>KEYS *<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56deRedis\u6578\u64da\u5eab\u4e2d\u6240\u6709\u7684\u9375\u3002\u7136\u800c\uff0c\u4f7f\u7528<code>KEYS<\/code>\u547d\u4ee4\u6642\u9700\u8981\u6ce8\u610f\uff0c\u9019\u500b\u547d\u4ee4\u5728\u5927\u578b\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\uff0c\u56e0\u70ba\u5b83\u6703\u904d\u6b77\u6574\u500b\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8scan%e5%91%bd%e4%bb%a4-SaJtTEjWWd\">\u4f7f\u7528SCAN\u547d\u4ee4<\/h2>\n<p>\u70ba\u4e86\u907f\u514d<code>KEYS<\/code>\u547d\u4ee4\u5e36\u4f86\u7684\u6027\u80fd\u554f\u984c\uff0cRedis\u63d0\u4f9b\u4e86<code>SCAN<\/code>\u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u5206\u6279\u6b21\u5730\u904d\u6b77\u9375\uff0c\u5f9e\u800c\u6e1b\u5c11\u5c0d\u6027\u80fd\u7684\u5f71\u97ff\u3002<code>SCAN<\/code>\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SCAN cursor [MATCH pattern] [COUNT count]<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>cursor<\/code>\u662f\u6e38\u6a19\uff0c\u521d\u59cb\u503c\u70ba0\u3002<code>MATCH<\/code>\u9078\u9805\u53ef\u4ee5\u7528\u4f86\u6307\u5b9a\u5339\u914d\u6a21\u5f0f\uff0c\u800c<code>COUNT<\/code>\u9078\u9805\u5247\u7528\u4f86\u6307\u5b9a\u6bcf\u6b21\u8fd4\u56de\u7684\u9375\u7684\u6578\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528<code>SCAN<\/code>\u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n127.0.0.1:6379&gt; SCAN 0\n<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u4e00\u500b\u6e38\u6a19\u548c\u4e00\u7d44\u9375\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u8fd4\u56de\u7684\u6e38\u6a19\u9032\u884c\u4e0b\u4e00\u6b21\u6383\u63cf\uff0c\u76f4\u5230\u6e38\u6a19\u8fd4\u56de\u52300\u70ba\u6b62\uff0c\u8868\u793a\u5df2\u7d93\u904d\u6b77\u5b8c\u6240\u6709\u7684\u9375\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis%e5%ae%a2%e6%88%b6%e7%ab%af%e5%ba%ab-SaJtTEjWWd\">\u4f7f\u7528Redis\u5ba2\u6236\u7aef\u5eab<\/h2>\n<p>\u5982\u679c\u4f60\u5728\u958b\u767c\u61c9\u7528\u7a0b\u5e8f\u6642\u9700\u8981\u7372\u53d6Redis\u4e2d\u7684\u6240\u6709\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528\u5404\u7a2eRedis\u5ba2\u6236\u7aef\u5eab\u4f86\u7c21\u5316\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Python\u7684<code>redis-py<\/code>\u5eab\u7372\u53d6\u6240\u6709\u9375\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nimport redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u4f7f\u7528SCAN\u547d\u4ee4\u7372\u53d6\u6240\u6709\u9375\ncursor = 0\nkeys = []\n\nwhile True:\n    cursor, partial_keys = r.scan(cursor)\n    keys.extend(partial_keys)\n    if cursor == 0:\n        break\n\nprint(keys)\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u9023\u63a5\u5230\u672c\u5730\u7684Redis\u670d\u52d9\u5668\uff0c\u4e26\u4f7f\u7528<code>SCAN<\/code>\u547d\u4ee4\u7372\u53d6\u6240\u6709\u9375\uff0c\u6700\u7d42\u5c07\u6240\u6709\u9375\u5b58\u5132\u5728<code>keys<\/code>\u5217\u8868\u4e2d\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-SaJtTEjWWd\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u8003\u91cf\uff1a<\/strong>\u5728\u5927\u578b\u6578\u64da\u5eab\u4e2d\uff0c\u4f7f\u7528<code>KEYS<\/code>\u547d\u4ee4\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u56e0\u6b64\u5efa\u8b70\u4f7f\u7528<code>SCAN<\/code>\u547d\u4ee4\u3002<\/li>\n<li><strong>\u5339\u914d\u6a21\u5f0f\uff1a<\/strong>\u4f7f\u7528<code>KEYS<\/code>\u6216<code>SCAN<\/code>\u6642\uff0c\u53ef\u4ee5\u6839\u64da\u9700\u8981\u6307\u5b9a\u5339\u914d\u6a21\u5f0f\uff0c\u4ee5\u904e\u6ffe\u4e0d\u9700\u8981\u7684\u9375\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u4f7f\u7528<code>SCAN<\/code>\u547d\u4ee4\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u5728\u904d\u6b77\u904e\u7a0b\u4e2d\u6578\u64da\u8b8a\u5316\u7684\u60c5\u6cc1\uff0c\u56e0\u6b64\u9700\u8981\u8003\u616e\u6578\u64da\u7684\u4e00\u81f4\u6027\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SaJtTEjWWd\">\u7e3d\u7d50<\/h2>\n<p>\u7372\u53d6Redis\u4e2d\u7684\u6240\u6709\u9375\u53ef\u4ee5\u901a\u904e<code>KEYS<\/code>\u548c<code>SCAN<\/code>\u547d\u4ee4\u4f86\u5be6\u73fe\u3002\u96d6\u7136<code>KEYS<\/code>\u547d\u4ee4\u7c21\u55ae\u6613\u7528\uff0c\u4f46\u5728\u5927\u578b\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u5efa\u8b70\u4f7f\u7528<code>SCAN<\/code>\u547d\u4ee4\u9032\u884c\u5206\u6279\u6b21\u904d\u6b77\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u547d\u4ee4\u884c\u9084\u662f\u5ba2\u6236\u7aef\u5eab\uff0c\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u5c07\u6709\u52a9\u65bc\u66f4\u6709\u6548\u5730\u7ba1\u7406Redis\u6578\u64da\u5eab\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684Redis\u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5feb\u901f\u7372\u53d6Redis\u4e2d\u7684\u6240\u6709\u9375\u7684\u65b9\u6cd5\uff0c\u7c21\u55ae\u6709\u6548\uff0c\u52a9\u4f60\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u4e2d\u7684\u9375\u503c\u5c0d\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-174605","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174605","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=174605"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174605\/revisions"}],"predecessor-version":[{"id":174606,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174605\/revisions\/174606"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}