{"id":152371,"date":"2024-11-01T22:27:23","date_gmt":"2024-11-01T14:27:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152371\/"},"modified":"2024-11-01T22:27:24","modified_gmt":"2024-11-01T14:27:24","slug":"%e6%b8%ac%e8%a9%a6redis%e7%9a%84scan%e4%b8%80%e7%a8%ae%e4%b8%8d%e5%90%8c%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88redis%e6%b8%ac%e8%a9%a6scan%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152371\/","title":{"rendered":"\u6e2c\u8a66Redis\u7684Scan\u4e00\u7a2e\u4e0d\u540c\u7684\u65b9\u6cd5\uff08redis\u6e2c\u8a66scan\uff09"},"content":{"rendered":"<h1 id=\"%e6%b8%ac%e8%a9%a6redis%e7%9a%84scan%e4%b8%80%e7%a8%ae%e4%b8%8d%e5%90%8c%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88redis%e6%b8%ac%e8%a9%a6scan%ef%bc%89-GHFHscwOSi\">\u6e2c\u8a66Redis\u7684Scan\u4e00\u7a2e\u4e0d\u540c\u7684\u65b9\u6cd5\uff08redis\u6e2c\u8a66scan\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u3002\u7576\u6211\u5011\u9700\u8981\u904d\u6b77Redis\u4e2d\u7684\u5927\u91cf\u9375\u6642\uff0c\u50b3\u7d71\u7684\u65b9\u5f0f\u662f\u4f7f\u7528<code>KEYS<\/code>\u547d\u4ee4\uff0c\u4f46\u9019\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u3002\u76f8\u5c0d\u800c\u8a00\uff0c<code>SCAN<\/code>\u547d\u4ee4\u63d0\u4f9b\u4e86\u4e00\u7a2e\u66f4\u70ba\u9ad8\u6548\u7684\u904d\u6b77\u65b9\u5f0f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528<code>SCAN<\/code>\u547d\u4ee4\u9032\u884cRedis\u7684\u6e2c\u8a66\uff0c\u4e26\u4ecb\u7d39\u4e00\u7a2e\u4e0d\u540c\u7684\u65b9\u6cd5\u4f86\u512a\u5316\u9019\u4e00\u904e\u7a0b\u3002<\/p>\n<h2 id=\"redis%e7%9a%84scan%e5%91%bd%e4%bb%a4%e6%a6%82%e8%bf%b0-GHFHscwOSi\">Redis\u7684SCAN\u547d\u4ee4\u6982\u8ff0<\/h2>\n<p><code>SCAN<\/code>\u547d\u4ee4\u662f\u4e00\u7a2e\u589e\u91cf\u8fed\u4ee3\u5668\uff0c\u5141\u8a31\u7528\u6236\u5728\u4e0d\u963b\u585eRedis\u670d\u52d9\u5668\u7684\u60c5\u6cc1\u4e0b\u904d\u6b77\u9375\u3002\u8207<code>KEYS<\/code>\u547d\u4ee4\u4e0d\u540c\uff0c<code>SCAN<\/code>\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\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/p>\n<h3 id=\"scan%e5%91%bd%e4%bb%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e7%94%a8%e6%b3%95-GHFHscwOSi\">SCAN\u547d\u4ee4\u7684\u57fa\u672c\u7528\u6cd5<\/h3>\n<p>\u57fa\u672c\u7684<code>SCAN<\/code>\u547d\u4ee4\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SCAN cursor [MATCH pattern] [COUNT count]<\/code><\/pre>\n<ul>\n<li><code>cursor<\/code>: \u6e38\u6a19\uff0c\u521d\u59cb\u503c\u70ba0\uff0c\u5f8c\u7e8c\u7684\u503c\u7531Redis\u8fd4\u56de\u3002<\/li>\n<li><code>MATCH<\/code>: \u53ef\u9078\u53c3\u6578\uff0c\u7528\u65bc\u904e\u6ffe\u8fd4\u56de\u7684\u9375\u3002<\/li>\n<li><code>COUNT<\/code>: \u53ef\u9078\u53c3\u6578\uff0c\u5efa\u8b70\u8fd4\u56de\u7684\u9375\u6578\u91cf\uff0c\u4f46\u5be6\u969b\u8fd4\u56de\u7684\u6578\u91cf\u53ef\u80fd\u6703\u5c11\u65bc\u6b64\u503c\u3002<\/li>\n<\/ul>\n<h3 id=\"%e4%bd%bf%e7%94%a8scan%e5%91%bd%e4%bb%a4%e7%9a%84%e7%a4%ba%e4%be%8b-GHFHscwOSi\">\u4f7f\u7528SCAN\u547d\u4ee4\u7684\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528<code>SCAN<\/code>\u547d\u4ee4\u7684\u7c21\u55ae\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\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5f9e\u6e38\u6a190\u958b\u59cb\uff0cRedis\u8fd4\u56de\u4e86\u4e00\u7d44\u9375\u3002\u4e0b\u4e00\u6b21\u8abf\u7528<code>SCAN<\/code>\u6642\uff0c\u6211\u5011\u9700\u8981\u4f7f\u7528\u8fd4\u56de\u7684\u6e38\u6a19\u4f86\u7372\u53d6\u4e0b\u4e00\u6279\u9375\u3002<\/p>\n<h2 id=\"%e5%84%aa%e5%8c%96scan%e7%9a%84%e4%bd%bf%e7%94%a8-GHFHscwOSi\">\u512a\u5316SCAN\u7684\u4f7f\u7528<\/h2>\n<p>\u96d6\u7136<code>SCAN<\/code>\u547d\u4ee4\u5df2\u7d93\u6bd4<code>KEYS<\/code>\u547d\u4ee4\u66f4\u70ba\u9ad8\u6548\uff0c\u4f46\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\uff0c\u4ecd\u7136\u53ef\u4ee5\u9032\u4e00\u6b65\u512a\u5316\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8b70\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8match%e9%81%8e%e6%bf%be%e9%8d%b5-GHFHscwOSi\">1. \u4f7f\u7528MATCH\u904e\u6ffe\u9375<\/h3>\n<p>\u5982\u679c\u60a8\u53ea\u5c0d\u7279\u5b9a\u6a21\u5f0f\u7684\u9375\u611f\u8208\u8da3\uff0c\u53ef\u4ee5\u4f7f\u7528<code>MATCH<\/code>\u53c3\u6578\u4f86\u904e\u6ffe\u7d50\u679c\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u50b3\u8f38\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SCAN 0 MATCH user:* COUNT 100<\/code><\/pre>\n<h3 id=\"2-%e8%aa%bf%e6%95%b4count%e5%8f%83%e6%95%b8-GHFHscwOSi\">2. \u8abf\u6574COUNT\u53c3\u6578<\/h3>\n<p>\u6839\u64da\u60a8\u7684\u61c9\u7528\u9700\u6c42\uff0c\u8abf\u6574<code>COUNT<\/code>\u53c3\u6578\u53ef\u4ee5\u5e6b\u52a9\u60a8\u5728\u6027\u80fd\u548c\u6548\u7387\u4e4b\u9593\u53d6\u5f97\u5e73\u8861\u3002\u8f03\u5c0f\u7684<code>COUNT<\/code>\u503c\u6703\u5c0e\u81f4\u66f4\u591a\u7684\u8fed\u4ee3\uff0c\u4f46\u6bcf\u6b21\u8fed\u4ee3\u7684\u8ca0\u64d4\u8f03\u5c0f\uff1b\u800c\u8f03\u5927\u7684<code>COUNT<\/code>\u503c\u5247\u6703\u6e1b\u5c11\u8fed\u4ee3\u6b21\u6578\uff0c\u4f46\u6bcf\u6b21\u8fed\u4ee3\u7684\u8ca0\u64d4\u8f03\u5927\u3002<\/p>\n<h3 id=\"3-%e4%b8%a6%e8%a1%8c%e8%99%95%e7%90%86-GHFHscwOSi\">3. \u4e26\u884c\u8655\u7406<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u5c07<code>SCAN<\/code>\u64cd\u4f5c\u4e26\u884c\u5316\uff0c\u9019\u6a23\u53ef\u4ee5\u52a0\u5feb\u904d\u6b77\u901f\u5ea6\u3002\u9019\u9700\u8981\u5728\u61c9\u7528\u5c64\u9762\u9032\u884c\u5be6\u73fe\uff0c\u6839\u64da\u4e0d\u540c\u7684\u9375\u7bc4\u570d\u555f\u52d5\u591a\u500b<code>SCAN<\/code>\u8acb\u6c42\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-GHFHscwOSi\">\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528Redis\u7684<code>SCAN<\/code>\u547d\u4ee4\u53ef\u4ee5\u6709\u6548\u5730\u904d\u6b77\u5927\u91cf\u9375\uff0c\u4e26\u4e14\u901a\u904e\u9069\u7576\u7684\u512a\u5316\uff0c\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u9ad8\u6027\u80fd\u3002\u4e86\u89e3\u5982\u4f55\u6b63\u78ba\u4f7f\u7528<code>SCAN<\/code>\u547d\u4ee4\u53ca\u5176\u53c3\u6578\uff0c\u5c07\u6709\u52a9\u65bc\u958b\u767c\u8005\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884cRedis\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u7684Scan\u547d\u4ee4\uff0c\u4e86\u89e3\u5176\u4e0d\u540c\u6e2c\u8a66\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u64cd\u4f5c\u6548\u7387\uff0c\u512a\u5316\u6027\u80fd\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-152371","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152371","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=152371"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152371\/revisions"}],"predecessor-version":[{"id":152372,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152371\/revisions\/152372"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}