{"id":188624,"date":"2024-11-12T00:21:38","date_gmt":"2024-11-11T16:21:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188624\/"},"modified":"2024-11-12T00:21:39","modified_gmt":"2024-11-11T16:21:39","slug":"%e6%8e%a2%e7%b4%a2redis%e7%9a%84scan%e7%94%a8%e6%b3%95%e9%81%8d%e6%ad%b7%e6%89%80%e6%9c%89%e9%8d%b5%e7%9a%84%e5%bc%b7%e5%a4%a7%e8%83%bd%e5%8a%9b%ef%bc%88redis%e7%9a%84scan%e7%94%a8%e6%b3%95%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188624\/","title":{"rendered":"\u63a2\u7d22Redis\u7684Scan\u7528\u6cd5\u904d\u6b77\u6240\u6709\u9375\u7684\u5f37\u5927\u80fd\u529b\uff08redis\u7684scan\u7528\u6cd5\uff09"},"content":{"rendered":"<h1 id=\"%e6%8e%a2%e7%b4%a2redis%e7%9a%84scan%e7%94%a8%e6%b3%95%e9%81%8d%e6%ad%b7%e6%89%80%e6%9c%89%e9%8d%b5%e7%9a%84%e5%bc%b7%e5%a4%a7%e8%83%bd%e5%8a%9b-nsLmgrRHrx\">\u63a2\u7d22Redis\u7684Scan\u7528\u6cd5\u904d\u6b77\u6240\u6709\u9375\u7684\u5f37\u5927\u80fd\u529b<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u3002Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u547d\u4ee4\u4f86\u64cd\u4f5c\u6578\u64da\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f<strong>SCAN<\/strong>\u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u7684\u4e3b\u8981\u529f\u80fd\u662f\u904d\u6b77\u6240\u6709\u9375\uff0c\u4e26\u4e14\u76f8\u8f03\u65bc\u5176\u4ed6\u904d\u6b77\u65b9\u6cd5\uff0cSCAN\u547d\u4ee4\u5177\u6709\u66f4\u9ad8\u7684\u6027\u80fd\u548c\u66f4\u4f4e\u7684\u5167\u5b58\u6d88\u8017\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684SCAN\u7528\u6cd5\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u5f37\u5927\u80fd\u529b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afscan%e5%91%bd%e4%bb%a4%ef%bc%9f-nsLmgrRHrx\">\u4ec0\u9ebc\u662fSCAN\u547d\u4ee4\uff1f<\/h2>\n<p>SCAN\u547d\u4ee4\u662f\u4e00\u7a2e\u975e\u963b\u585e\u7684\u904d\u6b77\u65b9\u6cd5\uff0c\u5141\u8a31\u7528\u6236\u5728\u4e0d\u9396\u5b9a\u6578\u64da\u5eab\u7684\u60c5\u6cc1\u4e0b\u9010\u6b65\u6aa2\u7d22\u9375\u3002\u9019\u610f\u5473\u8457\u5728\u57f7\u884cSCAN\u547d\u4ee4\u6642\uff0c\u5176\u4ed6\u64cd\u4f5c\u4ecd\u7136\u53ef\u4ee5\u9032\u884c\uff0c\u9019\u5c0d\u65bc\u9ad8\u4f75\u767c\u7684\u61c9\u7528\u5834\u666f\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h2 id=\"scan%e5%91%bd%e4%bb%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-nsLmgrRHrx\">SCAN\u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<pre><code>SCAN cursor [MATCH pattern] [COUNT count]<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<strong>cursor<\/strong>\u662f\u6e38\u6a19\u7684\u8d77\u59cb\u4f4d\u7f6e\uff0c\u901a\u5e38\u521d\u59cb\u503c\u70ba0\u3002<strong>MATCH<\/strong>\u9078\u9805\u5141\u8a31\u7528\u6236\u6307\u5b9a\u4e00\u500b\u6a21\u5f0f\u4f86\u904e\u6ffe\u9375\uff0c\u800c<strong>COUNT<\/strong>\u9078\u9805\u5247\u7528\u65bc\u6307\u5b9a\u6bcf\u6b21\u8fd4\u56de\u7684\u9375\u7684\u6578\u91cf\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8scan%e5%91%bd%e4%bb%a4%e7%9a%84%e7%a4%ba%e4%be%8b-nsLmgrRHrx\">\u4f7f\u7528SCAN\u547d\u4ee4\u7684\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528SCAN\u547d\u4ee4\u7684\u57fa\u672c\u793a\u4f8b\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; SCAN 0\n1) \"0\"\n2) 1) \"key1\"\n   2) \"key2\"\n   3) \"key3\"\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5f9e\u6e38\u6a190\u958b\u59cb\u904d\u6b77\uff0cRedis\u8fd4\u56de\u4e86\u7576\u524d\u7684\u6e38\u6a19\u4f4d\u7f6e\u548c\u4e00\u7d44\u9375\u3002\u7576\u6e38\u6a19\u8fd4\u56de0\u6642\uff0c\u8868\u793a\u904d\u6b77\u5df2\u7d93\u5b8c\u6210\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8match%e9%81%b8%e9%a0%85-nsLmgrRHrx\">\u4f7f\u7528MATCH\u9078\u9805<\/h3>\n<p>\u5982\u679c\u6211\u5011\u53ea\u60f3\u7372\u53d6\u7279\u5b9a\u6a21\u5f0f\u7684\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528MATCH\u9078\u9805\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; SCAN 0 MATCH key*\n1) \"0\"\n2) 1) \"key1\"\n   2) \"key2\"\n<\/code><\/pre>\n<p>\u9019\u88e1\uff0c\u6211\u5011\u53ea\u7372\u53d6\u4ee5\u201ckey\u201d\u958b\u982d\u7684\u9375\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8count%e9%81%b8%e9%a0%85-nsLmgrRHrx\">\u4f7f\u7528COUNT\u9078\u9805<\/h3>\n<p>COUNT\u9078\u9805\u53ef\u4ee5\u5e6b\u52a9\u6211\u5011\u63a7\u5236\u6bcf\u6b21\u8fd4\u56de\u7684\u9375\u7684\u6578\u91cf\u3002\u96d6\u7136\u9019\u500b\u9078\u9805\u4e0d\u4fdd\u8b49\u6bcf\u6b21\u90fd\u8fd4\u56de\u6307\u5b9a\u6578\u91cf\u7684\u9375\uff0c\u4f46\u53ef\u4ee5\u7528\u4f86\u63d0\u9ad8\u904d\u6b77\u7684\u6548\u7387\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; SCAN 0 COUNT 2\n1) \"2\"\n2) 1) \"key1\"\n   2) \"key2\"\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u8981\u6c42\u6bcf\u6b21\u8fd4\u56de2\u500b\u9375\u3002<\/p>\n<h2 id=\"scan%e5%91%bd%e4%bb%a4%e7%9a%84%e5%84%aa%e5%8b%a2-nsLmgrRHrx\">SCAN\u547d\u4ee4\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u975e\u963b\u585e\u6027\uff1a<\/strong>SCAN\u547d\u4ee4\u4e0d\u6703\u9396\u5b9a\u6578\u64da\u5eab\uff0c\u5141\u8a31\u5176\u4ed6\u64cd\u4f5c\u540c\u6642\u9032\u884c\u3002<\/li>\n<li><strong>\u5167\u5b58\u53cb\u597d\uff1a<\/strong>\u76f8\u6bd4\u65bcKEYS\u547d\u4ee4\uff0cSCAN\u547d\u4ee4\u5728\u904d\u6b77\u5927\u91cf\u9375\u6642\u66f4\u70ba\u9ad8\u6548\uff0c\u56e0\u70ba\u5b83\u4e0d\u6703\u4e00\u6b21\u6027\u5c07\u6240\u6709\u9375\u52a0\u8f09\u5230\u5167\u5b58\u4e2d\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u901a\u904eMATCH\u548cCOUNT\u9078\u9805\uff0c\u7528\u6236\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9748\u6d3b\u63a7\u5236\u904d\u6b77\u7684\u7bc4\u570d\u548c\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-nsLmgrRHrx\">\u7d50\u8ad6<\/h2>\n<p>Redis\u7684SCAN\u547d\u4ee4\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u9ad8\u6548\u5730\u904d\u6b77\u6240\u6709\u9375\uff0c\u4e26\u4e14\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e2d\u8868\u73fe\u51fa\u8272\u3002\u7121\u8ad6\u662f\u5728\u6578\u64da\u6e05\u7406\u3001\u6578\u64da\u5206\u6790\u9084\u662f\u5176\u4ed6\u9700\u8981\u9375\u904d\u6b77\u7684\u5834\u666f\u4e2d\uff0cSCAN\u547d\u4ee4\u90fd\u80fd\u63d0\u4f9b\u826f\u597d\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u3002\u5c0d\u65bc\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u638c\u63e1SCAN\u547d\u4ee4\u7684\u4f7f\u7528\u5c07\u6709\u52a9\u65bc\u66f4\u597d\u5730\u7ba1\u7406\u548c\u64cd\u4f5cRedis\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\u5be6\u4f8b\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\u53ef\u9760\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u7684Scan\u7528\u6cd5\uff0c\u4e86\u89e3\u5982\u4f55\u9ad8\u6548\u904d\u6b77\u6240\u6709\u9375\uff0c\u63d0\u5347\u6578\u64da\u64cd\u4f5c\u6027\u80fd\uff0c\u7c21\u5316\u6578\u64da\u7ba1\u7406\u6d41\u7a0b\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-188624","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188624","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=188624"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188624\/revisions"}],"predecessor-version":[{"id":188625,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188624\/revisions\/188625"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}