{"id":174485,"date":"2024-11-07T22:16:43","date_gmt":"2024-11-07T14:16:43","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174485\/"},"modified":"2024-11-07T22:16:43","modified_gmt":"2024-11-07T14:16:43","slug":"%e5%a6%82%e4%bd%95%e5%bf%ab%e6%8d%b7%e7%a7%bb%e9%99%a4redis%e6%89%80%e6%9c%89key%ef%bc%88redis%e7%a7%bb%e9%99%a4%e6%89%80%e6%9c%89key%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174485\/","title":{"rendered":"\u5982\u4f55\u5feb\u6377\u79fb\u9664Redis\u6240\u6709Key\uff08redis\u79fb\u9664\u6240\u6709key\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%bf%ab%e6%8d%b7%e7%a7%bb%e9%99%a4redis%e6%89%80%e6%9c%89key%ef%bc%88redis%e7%a7%bb%e9%99%a4%e6%89%80%e6%9c%89key%ef%bc%89-IbvzWYmcgK\">\u5982\u4f55\u5feb\u6377\u79fb\u9664Redis\u6240\u6709Key\uff08redis\u79fb\u9664\u6240\u6709key\uff09<\/h1>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u5728\u4f7f\u7528Redis\u7684\u904e\u7a0b\u4e2d\uff0c\u53ef\u80fd\u6703\u9047\u5230\u9700\u8981\u5feb\u901f\u79fb\u9664\u6240\u6709Key\u7684\u60c5\u6cc1\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5feb\u6377\u79fb\u9664Redis\u6240\u6709Key\u7684\u65b9\u6cd5\uff0c\u5e6b\u52a9\u7528\u6236\u6709\u6548\u7ba1\u7406\u6578\u64da\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8flushall%e5%91%bd%e4%bb%a4-IbvzWYmcgK\">\u4f7f\u7528FLUSHALL\u547d\u4ee4<\/h2>\n<p>\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528Redis\u7684\u5167\u5efa\u547d\u4ee4FLUSHALL\u3002\u9019\u500b\u547d\u4ee4\u6703\u522a\u9664\u7576\u524d\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709Key\uff0c\u4e26\u4e14\u4e0d\u6703\u6709\u4efb\u4f55\u63d0\u793a\u3002\u4f7f\u7528\u6b64\u547d\u4ee4\u6642\uff0c\u8acb\u52d9\u5fc5\u5c0f\u5fc3\uff0c\u56e0\u70ba\u4e00\u65e6\u57f7\u884c\uff0c\u6240\u6709\u6578\u64da\u5c07\u7121\u6cd5\u6062\u5fa9\u3002<\/p>\n<pre><code>FLUSHALL<\/code><\/pre>\n<p>\u57f7\u884c\u6b64\u547d\u4ee4\u5f8c\uff0cRedis\u6703\u7acb\u5373\u6e05\u7a7a\u6240\u6709\u6578\u64da\u5eab\u4e2d\u7684Key\u3002\u9019\u5c0d\u65bc\u958b\u767c\u548c\u6e2c\u8a66\u74b0\u5883\u7279\u5225\u6709\u7528\uff0c\u4f46\u5728\u751f\u7522\u74b0\u5883\u4e2d\u4f7f\u7528\u6642\u9700\u8b39\u614e\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8flushdb%e5%91%bd%e4%bb%a4-IbvzWYmcgK\">\u4f7f\u7528FLUSHDB\u547d\u4ee4<\/h2>\n<p>\u5982\u679c\u60a8\u53ea\u60f3\u522a\u9664\u7576\u524d\u9078\u5b9a\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709Key\uff0c\u53ef\u4ee5\u4f7f\u7528FLUSHDB\u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u7684\u4f5c\u7528\u7bc4\u570d\u50c5\u9650\u65bc\u7576\u524d\u6578\u64da\u5eab\uff0c\u800c\u4e0d\u6703\u5f71\u97ff\u5176\u4ed6\u6578\u64da\u5eab\u3002<\/p>\n<pre><code>FLUSHDB<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u66f4\u7cbe\u78ba\u5730\u63a7\u5236\u6578\u64da\u7684\u522a\u9664\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u4e1f\u5931\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8keys%e5%91%bd%e4%bb%a4%e9%85%8d%e5%90%88del%e5%91%bd%e4%bb%a4-IbvzWYmcgK\">\u4f7f\u7528KEYS\u547d\u4ee4\u914d\u5408DEL\u547d\u4ee4<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u5e0c\u671b\u6839\u64da\u7279\u5b9a\u6a21\u5f0f\u522a\u9664Key\u3002\u9019\u6642\u53ef\u4ee5\u4f7f\u7528KEYS\u547d\u4ee4\u4f86\u7372\u53d6\u7b26\u5408\u689d\u4ef6\u7684Key\uff0c\u7136\u5f8c\u4f7f\u7528DEL\u547d\u4ee4\u9010\u4e00\u522a\u9664\u3002<\/p>\n<pre><code>KEYS * | xargs redis-cli DEL<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u6703\u5217\u51fa\u6240\u6709Key\uff0c\u7136\u5f8c\u901a\u904e\u7ba1\u9053\u5c07\u5176\u50b3\u905e\u7d66DEL\u547d\u4ee4\u9032\u884c\u522a\u9664\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cKEYS\u547d\u4ee4\u5728\u5927\u578b\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\uff0c\u56e0\u6b64\u5728\u4f7f\u7528\u6642\u8981\u8b39\u614e\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8scan%e5%91%bd%e4%bb%a4%e9%80%b2%e8%a1%8c%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4-IbvzWYmcgK\">\u4f7f\u7528SCAN\u547d\u4ee4\u9032\u884c\u6279\u91cf\u522a\u9664<\/h2>\n<p>\u70ba\u4e86\u907f\u514dKEYS\u547d\u4ee4\u5e36\u4f86\u7684\u6027\u80fd\u554f\u984c\uff0cRedis\u63d0\u4f9b\u4e86SCAN\u547d\u4ee4\u3002SCAN\u547d\u4ee4\u53ef\u4ee5\u5206\u6279\u6b21\u5730\u904d\u6b77\u6578\u64da\u5eab\u4e2d\u7684Key\uff0c\u9069\u5408\u7528\u65bc\u5927\u6578\u64da\u96c6\u7684\u64cd\u4f5c\u3002<\/p>\n<pre><code>\nSCAN 0\n<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u4e00\u500b\u6e38\u6a19\u548c\u4e00\u7d44Key\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u8fd4\u56de\u7684\u6e38\u6a19\u7e7c\u7e8c\u904d\u6b77\uff0c\u76f4\u5230\u6e38\u6a19\u70ba0\u70ba\u6b62\u3002\u7136\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5c07\u7372\u53d6\u5230\u7684Key\u50b3\u905e\u7d66DEL\u547d\u4ee4\u9032\u884c\u522a\u9664\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-IbvzWYmcgK\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<pre><code>\nlocal cursor = \"0\"\nrepeat\n    local result = redis.call(\"SCAN\", cursor)\n    cursor = result[1]\n    for i, key in ipairs(result[2]) do\n        redis.call(\"DEL\", key)\n    end\nuntil cursor == \"0\"\n<\/code><\/pre>\n<p>\u9019\u6bb5Lua\u8173\u672c\u53ef\u4ee5\u5728Redis\u4e2d\u57f7\u884c\uff0c\u5c07\u6240\u6709Key\u9010\u4e00\u522a\u9664\uff0c\u4e26\u4e14\u4e0d\u6703\u5f71\u97ff\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-IbvzWYmcgK\">\u7e3d\u7d50<\/h2>\n<p>\u5728Redis\u4e2d\u79fb\u9664\u6240\u6709Key\u7684\u65b9\u6cd5\u6709\u591a\u7a2e\uff0c\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u547d\u4ee4\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u4f7f\u7528FLUSHALL\u3001FLUSHDB\uff0c\u9084\u662f\u901a\u904eKEYS\u548cDEL\u547d\u4ee4\uff0c\u6216\u662f\u4f7f\u7528SCAN\u547d\u4ee4\u9032\u884c\u6279\u91cf\u522a\u9664\uff0c\u90fd\u80fd\u6709\u6548\u5730\u7ba1\u7406Redis\u4e2d\u7684\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\uff0c\u7279\u5225\u662f\u5728\u9999\u6e2f\u5730\u5340\u7684\u61c9\u7528\u5834\u666f\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5feb\u901f\u4e86\u89e3\u5982\u4f55\u5728Redis\u4e2d\u79fb\u9664\u6240\u6709Key\uff0c\u4f7f\u7528\u7b80\u5355\u547d\u4ee4\u8f7b\u677e\u6e05\u7a7a\u6570\u636e\u5e93\uff0c\u63d0\u5347\u7ba1\u7406\u6548\u7387\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-174485","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174485","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=174485"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174485\/revisions"}],"predecessor-version":[{"id":174486,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174485\/revisions\/174486"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}