{"id":129023,"date":"2024-10-26T18:30:20","date_gmt":"2024-10-26T10:30:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129023\/"},"modified":"2024-10-26T18:30:21","modified_gmt":"2024-10-26T10:30:21","slug":"redis%e5%af%a6%e7%8f%be%e6%8c%87%e5%ae%9adb%e6%95%b8%e6%93%9a%e6%b8%85%e7%90%86%ef%bc%88redis%e6%b8%85%e6%8c%87%e5%ae%9adb%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129023\/","title":{"rendered":"Redis\u5be6\u73fe\u6307\u5b9aDB\u6578\u64da\u6e05\u7406\uff08redis\u6e05\u6307\u5b9adb\uff09"},"content":{"rendered":"<h1 id=\"redis%e5%af%a6%e7%8f%be%e6%8c%87%e5%ae%9adb%e6%95%b8%e6%93%9a%e6%b8%85%e7%90%86%ef%bc%88redis%e6%b8%85%e6%8c%87%e5%ae%9adb%ef%bc%89-DXwfmpALkA\">Redis\u5be6\u73fe\u6307\u5b9aDB\u6578\u64da\u6e05\u7406\uff08redis\u6e05\u6307\u5b9adb\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\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\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5b9a\u671f\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Redis\u4e2d\u5be6\u73fe\u6307\u5b9a\u6578\u64da\u5eab\u7684\u6578\u64da\u6e05\u7406\uff0c\u5e6b\u52a9\u7528\u6236\u6709\u6548\u7ba1\u7406\u5176\u6578\u64da\u3002<\/p>\n<h2 id=\"redis%e6%95%b8%e6%93%9a%e5%ba%ab%e6%a6%82%e8%bf%b0-DXwfmpALkA\">Redis\u6578\u64da\u5eab\u6982\u8ff0<\/h2>\n<p>Redis\u652f\u6301\u591a\u500b\u6578\u64da\u5eab\uff0c\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\u670916\u500b\u6578\u64da\u5eab\uff0c\u7de8\u865f\u5f9e0\u523015\u3002\u7528\u6236\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9078\u64c7\u4f7f\u7528\u4e0d\u540c\u7684\u6578\u64da\u5eab\u3002\u6bcf\u500b\u6578\u64da\u5eab\u90fd\u662f\u7368\u7acb\u7684\uff0c\u9019\u610f\u5473\u8457\u5728\u4e00\u500b\u6578\u64da\u5eab\u4e2d\u9032\u884c\u7684\u64cd\u4f5c\u4e0d\u6703\u5f71\u97ff\u5230\u5176\u4ed6\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e6%b8%85%e7%90%86%e6%8c%87%e5%ae%9adb%e7%9a%84%e6%95%b8%e6%93%9a-DXwfmpALkA\">\u6e05\u7406\u6307\u5b9aDB\u7684\u6578\u64da<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u6e05\u7406\u6307\u5b9a\u6578\u64da\u5eab\u7684\u6578\u64da\u53ef\u4ee5\u901a\u904e\u5e7e\u7a2e\u65b9\u6cd5\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8flushdb%e5%91%bd%e4%bb%a4-DXwfmpALkA\">1. \u4f7f\u7528FLUSHDB\u547d\u4ee4<\/h3>\n<p>\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528FLUSHDB\u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u6703\u6e05\u7a7a\u7576\u524d\u9078\u4e2d\u7684\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u6578\u64da\u3002\u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>FLUSHDB<\/code><\/pre>\n<p>\u5728\u57f7\u884c\u6b64\u547d\u4ee4\u4e4b\u524d\uff0c\u8acb\u78ba\u4fdd\u60a8\u5df2\u7d93\u9078\u64c7\u4e86\u6b63\u78ba\u7684\u6578\u64da\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528SELECT\u547d\u4ee4\u4f86\u9078\u64c7\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>SELECT 1  # \u9078\u64c7\u6578\u64da\u5eab1\nFLUSHDB   # \u6e05\u7a7a\u6578\u64da\u5eab1\u7684\u6240\u6709\u6578\u64da<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8unlink%e5%91%bd%e4%bb%a4-DXwfmpALkA\">2. \u4f7f\u7528UNLINK\u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u60a8\u53ea\u60f3\u522a\u9664\u7279\u5b9a\u7684\u9375\u800c\u4e0d\u662f\u6574\u500b\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528UNLINK\u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u6703\u7570\u6b65\u522a\u9664\u6307\u5b9a\u7684\u9375\uff0c\u9069\u5408\u7528\u65bc\u522a\u9664\u5927\u91cf\u6578\u64da\u6642\uff0c\u56e0\u70ba\u5b83\u4e0d\u6703\u963b\u585e\u5176\u4ed6\u64cd\u4f5c\u3002<\/p>\n<pre><code>UNLINK key1 key2 key3<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u522a\u9664\u6578\u64da\u5eab\u4e2d\u7684\u7279\u5b9a\u9375\uff1a<\/p>\n<pre><code>SELECT 1  # \u9078\u64c7\u6578\u64da\u5eab1\nUNLINK mykey1 mykey2<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8scan%e5%91%bd%e4%bb%a4%e9%85%8d%e5%90%88del%e5%91%bd%e4%bb%a4-DXwfmpALkA\">3. \u4f7f\u7528SCAN\u547d\u4ee4\u914d\u5408DEL\u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u9700\u8981\u6839\u64da\u67d0\u4e9b\u689d\u4ef6\u522a\u9664\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528SCAN\u547d\u4ee4\u4f86\u904d\u6b77\u6578\u64da\u5eab\u4e2d\u7684\u9375\uff0c\u7136\u5f8c\u4f7f\u7528DEL\u547d\u4ee4\u522a\u9664\u7b26\u5408\u689d\u4ef6\u7684\u9375\u3002\u9019\u7a2e\u65b9\u6cd5\u9069\u5408\u65bc\u9700\u8981\u6839\u64da\u6a21\u5f0f\u6216\u5176\u4ed6\u689d\u4ef6\u9032\u884c\u522a\u9664\u7684\u60c5\u6cc1\u3002<\/p>\n<pre><code>SELECT 1  # \u9078\u64c7\u6578\u64da\u5eab1\nSCAN 0 MATCH pattern:* COUNT 1000<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u6703\u904d\u6b77\u6578\u64da\u5eab1\u4e2d\u7684\u6240\u6709\u9375\uff0c\u4e26\u5339\u914d\u4ee5&#8221;pattern:&#8221;\u958b\u982d\u7684\u9375\u3002\u7136\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5c07\u5339\u914d\u5230\u7684\u9375\u50b3\u905e\u7d66DEL\u547d\u4ee4\u9032\u884c\u522a\u9664\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-DXwfmpALkA\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u6e05\u7406\u6642\uff0c\u8acb\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u5728\u57f7\u884cFLUSHDB\u547d\u4ee4\u4e4b\u524d\uff0c\u52d9\u5fc5\u78ba\u8a8d\u7576\u524d\u9078\u4e2d\u7684\u6578\u64da\u5eab\uff0c\u4ee5\u514d\u8aa4\u522a\u9664\u91cd\u8981\u6578\u64da\u3002<\/li>\n<li>\u4f7f\u7528UNLINK\u547d\u4ee4\u6642\uff0c\u8acb\u78ba\u4fdd\u60a8\u522a\u9664\u7684\u9375\u4e0d\u518d\u9700\u8981\uff0c\u56e0\u70ba\u9019\u500b\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\u3002<\/li>\n<li>\u5728\u4f7f\u7528SCAN\u547d\u4ee4\u6642\uff0c\u8acb\u6ce8\u610f\u904d\u6b77\u7684\u6548\u7387\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u91cf\u8f03\u5927\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DXwfmpALkA\">\u7e3d\u7d50<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u6e05\u7406\u6307\u5b9a\u6578\u64da\u5eab\u7684\u6578\u64da\uff0c\u7121\u8ad6\u662f\u6e05\u7a7a\u6574\u500b\u6578\u64da\u5eab\u9084\u662f\u522a\u9664\u7279\u5b9a\u7684\u9375\uff0c\u7528\u6236\u90fd\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u3002\u6b63\u78ba\u7684\u6578\u64da\u7ba1\u7406\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\uff0c\u9084\u80fd\u6e1b\u5c11\u8cc7\u6e90\u6d6a\u8cbb\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u660e\u667a\u4e4b\u8209\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u60a8\u7684Redis\u670d\u52d9\u5668\u904b\u884c\u6d41\u66a2\uff0c\u4e26\u80fd\u5920\u8f15\u9b06\u61c9\u5c0d\u5404\u7a2e\u6578\u64da\u7ba1\u7406\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728Redis\u4e2d\u5be6\u73fe\u6307\u5b9aDB\u7684\u6578\u64da\u6e05\u7406\uff0c\u7c21\u55ae\u6b65\u9a5f\u6559\u4f60\u6709\u6548\u7ba1\u7406\u6578\u64da\u5eab\uff0c\u63d0\u5347\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-129023","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129023","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=129023"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129023\/revisions"}],"predecessor-version":[{"id":129024,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129023\/revisions\/129024"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129023"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129023"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}