{"id":128983,"date":"2024-10-26T18:13:21","date_gmt":"2024-10-26T10:13:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128983\/"},"modified":"2024-10-26T18:13:21","modified_gmt":"2024-10-26T10:13:21","slug":"redis%e5%af%a6%e7%8f%be%e6%b8%b8%e6%a8%99scan%e7%9a%84%e8%ae%8a%e9%9d%a9%ef%bc%88redis-%e6%b8%b8%e6%a8%99scan%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128983\/","title":{"rendered":"Redis\u5be6\u73fe\u6e38\u6a19scan\u7684\u8b8a\u9769\uff08redis \u6e38\u6a19scan\uff09"},"content":{"rendered":"<h1 id=\"redis%e5%af%a6%e7%8f%be%e6%b8%b8%e6%a8%99scan%e7%9a%84%e8%ae%8a%e9%9d%a9%ef%bc%88redis-%e6%b8%b8%e6%a8%99scan%ef%bc%89-wRwNDzMrnf\">Redis\u5be6\u73fe\u6e38\u6a19scan\u7684\u8b8a\u9769\uff08redis \u6e38\u6a19scan\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u904d\u6b77\u548c\u7ba1\u7406\u9019\u4e9b\u6578\u64da\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002Redis\u7684\u6e38\u6a19\u6383\u63cf\uff08Cursor Scan\uff09\u529f\u80fd\u70ba\u6b64\u63d0\u4f9b\u4e86\u4e00\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u5728\u4e0d\u9396\u5b9a\u6574\u500b\u6578\u64da\u96c6\u7684\u60c5\u6cc1\u4e0b\uff0c\u9010\u6b65\u904d\u6b77\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%b8%b8%e6%a8%99%e6%8e%83%e6%8f%8f%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-wRwNDzMrnf\">\u6e38\u6a19\u6383\u63cf\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6e38\u6a19\u6383\u63cf\u662fRedis\u4e2d\u4e00\u7a2e\u975e\u963b\u585e\u7684\u904d\u6b77\u65b9\u6cd5\uff0c\u4e3b\u8981\u7528\u65bc\u66ff\u4ee3\u50b3\u7d71\u7684KEYS\u547d\u4ee4\u3002\u4f7f\u7528KEYS\u547d\u4ee4\u6642\uff0cRedis\u6703\u4e00\u6b21\u6027\u8fd4\u56de\u6240\u6709\u5339\u914d\u7684\u9375\uff0c\u9019\u5728\u6578\u64da\u91cf\u9f90\u5927\u7684\u60c5\u6cc1\u4e0b\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\uff0c\u751a\u81f3\u53ef\u80fd\u9020\u6210\u670d\u52d9\u5668\u7684\u5d29\u6f70\u3002\u76f8\u5c0d\u800c\u8a00\uff0c\u6e38\u6a19\u6383\u63cf\u4f7f\u7528\u4e86\u6e38\u6a19\u7684\u6982\u5ff5\uff0c\u5141\u8a31\u7528\u6236\u5728\u591a\u6b21\u8acb\u6c42\u4e2d\u9010\u6b65\u7372\u53d6\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%b8%b8%e6%a8%99%e6%8e%83%e6%8f%8f%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-wRwNDzMrnf\">\u6e38\u6a19\u6383\u63cf\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>\u6e38\u6a19\u6383\u63cf\u7684\u57fa\u672c\u547d\u4ee4\u662fSCAN\u3002\u9019\u500b\u547d\u4ee4\u7684\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\u7684\u8d77\u59cb\u4f4d\u7f6e\uff0c<code>MATCH<\/code>\u7528\u65bc\u6307\u5b9a\u5339\u914d\u6a21\u5f0f\uff0c<code>COUNT<\/code>\u5247\u7528\u65bc\u6307\u5b9a\u6bcf\u6b21\u8fd4\u56de\u7684\u9375\u7684\u6578\u91cf\u3002\u7576\u7528\u6236\u7b2c\u4e00\u6b21\u8abf\u7528SCAN\u6642\uff0c\u6e38\u6a19\u7684\u521d\u59cb\u503c\u70ba0\uff0cRedis\u6703\u8fd4\u56de\u4e00\u500b\u65b0\u7684\u6e38\u6a19\u503c\u548c\u4e00\u7d44\u9375\u3002\u7528\u6236\u53ef\u4ee5\u4f7f\u7528\u9019\u500b\u65b0\u7684\u6e38\u6a19\u503c\u9032\u884c\u4e0b\u4e00\u6b21\u7684SCAN\u8abf\u7528\uff0c\u76f4\u5230\u6e38\u6a19\u503c\u518d\u6b21\u8fd4\u56de0\uff0c\u8868\u793a\u904d\u6b77\u7d50\u675f\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-wRwNDzMrnf\">\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528\u6e38\u6a19\u6383\u63cf\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; SCAN 0 MATCH user:* COUNT 10\n1) \"10\"\n2) 1) \"user:1\"\n   2) \"user:2\"\n   3) \"user:3\"\n   4) \"user:4\"\n   5) \"user:5\"\n   6) \"user:6\"\n   7) \"user:7\"\n   8) \"user:8\"\n   9) \"user:9\"\n   10) \"user:10\"\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u7b2c\u4e00\u6b21\u8abf\u7528SCAN\u8fd4\u56de\u4e86\u6e38\u6a19\u503c\u201c10\u201d\u548c10\u500b\u4ee5\u201cuser:\u201d\u958b\u982d\u7684\u9375\u3002\u7528\u6236\u53ef\u4ee5\u4f7f\u7528\u201c10\u201d\u4f5c\u70ba\u4e0b\u4e00\u6b21SCAN\u7684\u6e38\u6a19\u503c\uff0c\u7e7c\u7e8c\u904d\u6b77\u3002<\/p>\n<h2 id=\"%e6%b8%b8%e6%a8%99%e6%8e%83%e6%8f%8f%e7%9a%84%e5%84%aa%e5%8b%a2-wRwNDzMrnf\">\u6e38\u6a19\u6383\u63cf\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u975e\u963b\u585e\u6027\uff1a<\/strong>\u6e38\u6a19\u6383\u63cf\u4e0d\u6703\u9396\u5b9a\u6578\u64da\u5eab\uff0c\u5141\u8a31\u5176\u4ed6\u64cd\u4f5c\u540c\u6642\u9032\u884c\uff0c\u9019\u5c0d\u65bc\u9ad8\u4f75\u767c\u7684\u61c9\u7528\u5834\u666f\u5c24\u70ba\u91cd\u8981\u3002<\/li>\n<li><strong>\u5167\u5b58\u53cb\u597d\uff1a<\/strong>\u7531\u65bc\u6bcf\u6b21\u53ea\u8fd4\u56de\u90e8\u5206\u6578\u64da\uff0c\u6e38\u6a19\u6383\u63cf\u5728\u5167\u5b58\u4f7f\u7528\u4e0a\u66f4\u52a0\u9ad8\u6548\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u7528\u6236\u53ef\u4ee5\u6839\u64da\u9700\u8981\u8abf\u6574\u6bcf\u6b21\u8fd4\u56de\u7684\u9375\u7684\u6578\u91cf\uff0c\u5f9e\u800c\u66f4\u597d\u5730\u63a7\u5236\u904d\u6b77\u904e\u7a0b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-wRwNDzMrnf\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5118\u7ba1\u6e38\u6a19\u6383\u63cf\u63d0\u4f9b\u4e86\u8a31\u591a\u512a\u52e2\uff0c\u4f46\u5728\u4f7f\u7528\u6642\u4ecd\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u6e38\u6a19\u6383\u63cf\u7684\u7d50\u679c\u662f\u96a8\u6a5f\u7684\uff0c\u53ef\u80fd\u6703\u5728\u904d\u6b77\u904e\u7a0b\u4e2d\u51fa\u73fe\u9375\u7684\u65b0\u589e\u6216\u522a\u9664\uff0c\u56e0\u6b64\u4e0d\u61c9\u4f9d\u8cf4\u65bc\u7d50\u679c\u7684\u7a69\u5b9a\u6027\u3002<\/li>\n<li>\u5728\u9ad8\u983b\u7387\u7684\u6383\u63cf\u64cd\u4f5c\u4e2d\uff0c\u53ef\u80fd\u6703\u5f71\u97ffRedis\u7684\u6027\u80fd\uff0c\u56e0\u6b64\u5efa\u8b70\u6839\u64da\u5be6\u969b\u9700\u6c42\u5408\u7406\u8a2d\u7f6eCOUNT\u503c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-wRwNDzMrnf\">\u7e3d\u7d50<\/h2>\n<p>Redis\u7684\u6e38\u6a19\u6383\u63cf\u529f\u80fd\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9ad8\u6548\u3001\u9748\u6d3b\u7684\u6578\u64da\u904d\u6b77\u65b9\u5f0f\uff0c\u7279\u5225\u9069\u5408\u65bc\u5927\u6578\u64da\u91cf\u7684\u5834\u666f\u3002\u901a\u904e\u975e\u963b\u585e\u7684\u65b9\u5f0f\uff0c\u6e38\u6a19\u6383\u63cf\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6027\u80fd\uff0c\u9084\u6e1b\u5c11\u4e86\u5167\u5b58\u7684\u4f7f\u7528\u3002\u96a8\u8457Redis\u7684\u6301\u7e8c\u767c\u5c55\uff0c\u9019\u4e00\u529f\u80fd\u5c07\u5728\u672a\u4f86\u7684\u6578\u64da\u7ba1\u7406\u4e2d\u767c\u63ee\u8d8a\u4f86\u8d8a\u91cd\u8981\u7684\u4f5c\u7528\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u61c9\u7528\u4e2d\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u611f\u8208\u8da3\uff0c\u6216\u8005\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\u7684\u8cc7\u8a0a\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u6e38\u6a19scan\u7684\u8b8a\u9769\uff0c\u63d0\u5347\u6578\u64da\u6aa2\u7d22\u6548\u7387\uff0c\u5be6\u73fe\u66f4\u9748\u6d3b\u7684\u6578\u64da\u64cd\u4f5c\u8207\u7ba1\u7406\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-128983","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128983","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=128983"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128983\/revisions"}],"predecessor-version":[{"id":128984,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128983\/revisions\/128984"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128983"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128983"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}