{"id":165871,"date":"2024-11-05T13:32:21","date_gmt":"2024-11-05T05:32:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/165871\/"},"modified":"2024-11-05T13:32:22","modified_gmt":"2024-11-05T05:32:22","slug":"%e5%bf%ab%e9%80%9f%e6%9f%a5%e8%a9%a2%e4%b9%8bredis-scan%e6%96%b9%e5%bc%8f%ef%bc%88redis%e6%9f%a5%e8%a9%a2scan%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/165871\/","title":{"rendered":"\u5feb\u901f\u67e5\u8a62\u4e4bredis scan\u65b9\u5f0f\uff08redis\u67e5\u8a62scan\uff09"},"content":{"rendered":"<h1 id=\"%e5%bf%ab%e9%80%9f%e6%9f%a5%e8%a9%a2%e4%b9%8bredis-scan%e6%96%b9%e5%bc%8f%ef%bc%88redis%e6%9f%a5%e8%a9%a2scan%ef%bc%89-GOmDowrtwi\">\u5feb\u901f\u67e5\u8a62\u4e4bRedis Scan\u65b9\u5f0f\uff08Redis\u67e5\u8a62Scan\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5feb\u901f\u67e5\u8a62\u548c\u9ad8\u6548\u6578\u64da\u5b58\u53d6\u662f\u6bcf\u500b\u958b\u767c\u8005\u548c\u7cfb\u7d71\u67b6\u69cb\u5e2b\u6240\u8ffd\u6c42\u7684\u76ee\u6a19\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u64cd\u4f5c\u65b9\u5f0f\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f\u4f7f\u7528SCAN\u547d\u4ee4\u9032\u884c\u6578\u64da\u67e5\u8a62\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684SCAN\u547d\u4ee4\uff0c\u4e26\u4ecb\u7d39\u5176\u4f7f\u7528\u65b9\u6cd5\u53ca\u512a\u52e2\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis-scan%e5%91%bd%e4%bb%a4%ef%bc%9f-GOmDowrtwi\">\u4ec0\u9ebc\u662fRedis SCAN\u547d\u4ee4\uff1f<\/h2>\n<p>Redis\u7684SCAN\u547d\u4ee4\u662f\u4e00\u7a2e\u7528\u65bc\u904d\u6b77\u6578\u64da\u5eab\u4e2d\u9375\u7684\u975e\u963b\u585e\u6027\u8fed\u4ee3\u5668\u3002\u8207\u50b3\u7d71\u7684KEYS\u547d\u4ee4\u4e0d\u540c\uff0cSCAN\u547d\u4ee4\u4e0d\u6703\u4e00\u6b21\u6027\u8fd4\u56de\u6240\u6709\u9375\uff0c\u800c\u662f\u5206\u6279\u8fd4\u56de\uff0c\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u5c0d\u7cfb\u7d71\u6027\u80fd\u7684\u5f71\u97ff\u3002SCAN\u547d\u4ee4\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\u7684\u8d77\u59cb\u4f4d\u7f6e\uff0c<code>MATCH<\/code>\u7528\u65bc\u904e\u6ffe\u8fd4\u56de\u7684\u9375\uff0c<code>COUNT<\/code>\u5247\u6307\u5b9a\u6bcf\u6b21\u8fd4\u56de\u7684\u9375\u7684\u6578\u91cf\u3002<\/p>\n<h2 id=\"scan%e5%91%bd%e4%bb%a4%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-GOmDowrtwi\">SCAN\u547d\u4ee4\u7684\u5de5\u4f5c\u539f\u7406<\/h2>\n<p>SCAN\u547d\u4ee4\u7684\u5de5\u4f5c\u539f\u7406\u57fa\u65bc\u6e38\u6a19\u7684\u6982\u5ff5\u3002\u6bcf\u6b21\u8abf\u7528SCAN\u547d\u4ee4\u6642\uff0cRedis\u6703\u8fd4\u56de\u4e00\u500b\u65b0\u7684\u6e38\u6a19\uff0c\u9019\u500b\u6e38\u6a19\u53ef\u4ee5\u7528\u65bc\u4e0b\u4e00\u6b21\u7684SCAN\u8abf\u7528\u3002\u7576\u6e38\u6a19\u70ba0\u6642\uff0c\u8868\u793a\u904d\u6b77\u5df2\u7d93\u5b8c\u6210\u3002\u9019\u7a2e\u65b9\u5f0f\u4f7f\u5f97SCAN\u547d\u4ee4\u53ef\u4ee5\u5728\u5927\u6578\u64da\u96c6\u4e0a\u9032\u884c\u9ad8\u6548\u7684\u904d\u6b77\uff0c\u800c\u4e0d\u6703\u9020\u6210\u7cfb\u7d71\u7684\u963b\u585e\u3002<\/p>\n<h3 id=\"scan%e5%91%bd%e4%bb%a4%e7%9a%84%e4%bd%bf%e7%94%a8%e7%a4%ba%e4%be%8b-GOmDowrtwi\">SCAN\u547d\u4ee4\u7684\u4f7f\u7528\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528SCAN\u547d\u4ee4\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; SCAN 0\n1) \"2\"\n2) 1) \"key1\"\n   2) \"key2\"\n   3) \"key3\"\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u7b2c\u4e00\u6b21\u8abf\u7528SCAN\u547d\u4ee4\u6642\uff0c\u8fd4\u56de\u7684\u6e38\u6a19\u662f&#8221;2&#8243;\uff0c\u4e26\u4e14\u8fd4\u56de\u4e86\u4e09\u500b\u9375\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u8fd4\u56de\u7684\u6e38\u6a19\u9032\u884c\u4e0b\u4e00\u6b21\u67e5\u8a62\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; SCAN 2\n1) \"0\"\n2) 1) \"key4\"\n   2) \"key5\"\n<\/code><\/pre>\n<p>\u7576\u6e38\u6a19\u70ba&#8221;0&#8243;\u6642\uff0c\u8868\u793a\u6240\u6709\u9375\u5df2\u7d93\u904d\u6b77\u5b8c\u6210\u3002<\/p>\n<h2 id=\"scan%e5%91%bd%e4%bb%a4%e7%9a%84%e5%84%aa%e5%8b%a2-GOmDowrtwi\">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\uff0c\u9019\u5c0d\u65bc\u9ad8\u4f75\u767c\u7684\u61c9\u7528\u5834\u666f\u5c24\u70ba\u91cd\u8981\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u901a\u904eMATCH\u548cCOUNT\u53c3\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9748\u6d3b\u63a7\u5236\u8fd4\u56de\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u9069\u7528\u65bc\u5927\u6578\u64da\u96c6\uff1a<\/strong>SCAN\u547d\u4ee4\u7279\u5225\u9069\u5408\u65bc\u5927\u6578\u64da\u96c6\u7684\u904d\u6b77\uff0c\u56e0\u70ba\u5b83\u4e0d\u6703\u4e00\u6b21\u6027\u52a0\u8f09\u6240\u6709\u6578\u64da\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u5167\u5b58\u7684\u904e\u5ea6\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-GOmDowrtwi\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u96d6\u7136SCAN\u547d\u4ee4\u5177\u6709\u591a\u7a2e\u512a\u52e2\uff0c\u4f46\u5728\u4f7f\u7528\u6642\u4ecd\u9700\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>SCAN\u547d\u4ee4\u7684\u8fd4\u56de\u7d50\u679c\u53ef\u80fd\u6703\u91cd\u8907\uff0c\u9019\u662f\u56e0\u70ba\u5728\u904d\u6b77\u904e\u7a0b\u4e2d\uff0c\u6578\u64da\u53ef\u80fd\u6703\u88ab\u5176\u4ed6\u64cd\u4f5c\u4fee\u6539\u3002<\/li>\n<li>\u4f7f\u7528MATCH\u904e\u6ffe\u6642\uff0c\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u5927\u6578\u64da\u96c6\u4e0a\u3002<\/li>\n<li>COUNT\u53c3\u6578\u50c5\u50c5\u662f\u4e00\u500b\u5efa\u8b70\uff0c\u5be6\u969b\u8fd4\u56de\u7684\u6578\u91cf\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GOmDowrtwi\">\u7e3d\u7d50<\/h2>\n<p>Redis\u7684SCAN\u547d\u4ee4\u662f\u4e00\u500b\u5f37\u5927\u4e14\u9748\u6d3b\u7684\u5de5\u5177\uff0c\u9069\u5408\u7528\u65bc\u9ad8\u6548\u904d\u6b77\u9375\u503c\u6578\u64da\u3002\u901a\u904e\u975e\u963b\u585e\u7684\u65b9\u5f0f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u4e0d\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\u7684\u60c5\u6cc1\u4e0b\uff0c\u5feb\u901f\u67e5\u8a62\u6240\u9700\u7684\u6578\u64da\u3002\u7121\u8ad6\u662f\u5728\u958b\u767c\u9084\u662f\u904b\u7dad\u4e2d\uff0c\u638c\u63e1SCAN\u547d\u4ee4\u7684\u4f7f\u7528\u90fd\u80fd\u70ba\u6578\u64da\u7ba1\u7406\u5e36\u4f86\u4fbf\u5229\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684Redis\u670d\u52d9\uff0c\u4eab\u53d7\u66f4\u5feb\u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6\u548c\u7a69\u5b9a\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u7684SCAN\u547d\u4ee4\uff0c\u5feb\u901f\u67e5\u8a62\u6578\u64da\uff0c\u63d0\u5347\u6027\u80fd\uff0c\u7c21\u5316\u5927\u6578\u64da\u96c6\u7684\u904d\u6b77\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-165871","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165871","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=165871"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165871\/revisions"}],"predecessor-version":[{"id":165872,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/165871\/revisions\/165872"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=165871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=165871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=165871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}