{"id":125551,"date":"2024-10-25T23:34:21","date_gmt":"2024-10-25T15:34:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/125551\/"},"modified":"2024-10-25T23:34:21","modified_gmt":"2024-10-25T15:34:21","slug":"redis-%e5%bf%ab%e9%80%9f%e6%b8%85%e7%a9%ba%e8%a1%a8%e7%9a%84%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/125551\/","title":{"rendered":"Redis \u5feb\u901f\u6e05\u7a7a\u8868\u7684\u6280\u5de7"},"content":{"rendered":"<h1 id=\"redis-%e5%bf%ab%e9%80%9f%e6%b8%85%e7%a9%ba%e8%a1%a8%e7%9a%84%e6%8a%80%e5%b7%a7-SlpZabsLxQ\">Redis \u5feb\u901f\u6e05\u7a7a\u8868\u7684\u6280\u5de7<\/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\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u7576\u9700\u8981\u5feb\u901f\u6e05\u7a7a Redis \u4e2d\u7684\u6578\u64da\u6642\uff0c\u4e86\u89e3\u4e00\u4e9b\u6280\u5de7\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u6548\u7387\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u5feb\u901f\u6e05\u7a7a Redis \u8868\u7684\u6280\u5de7\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8-flushdb-%e5%92%8c-flushall-%e5%91%bd%e4%bb%a4-SlpZabsLxQ\">1. \u4f7f\u7528 FLUSHDB \u548c FLUSHALL \u547d\u4ee4<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u5169\u500b\u975e\u5e38\u76f4\u63a5\u7684\u547d\u4ee4\u4f86\u6e05\u7a7a\u6578\u64da\u5eab\uff1a<\/p>\n<ul>\n<li><code>FLUSHDB<\/code>\uff1a\u6b64\u547d\u4ee4\u6703\u6e05\u7a7a\u7576\u524d\u9078\u5b9a\u7684\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u9375\u3002<\/li>\n<li><code>FLUSHALL<\/code>\uff1a\u6b64\u547d\u4ee4\u6703\u6e05\u7a7a\u6240\u6709\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u9375\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u547d\u4ee4\u7684\u4f7f\u7528\u975e\u5e38\u7c21\u55ae\uff0c\u53ea\u9700\u5728 Redis \u547d\u4ee4\u884c\u754c\u9762\u4e2d\u8f38\u5165\uff1a<\/p>\n<pre><code>FLUSHDB\nFLUSHALL<\/code><\/pre>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9019\u4e9b\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\uff0c\u56e0\u6b64\u5728\u57f7\u884c\u4e4b\u524d\u8acb\u78ba\u4fdd\u4e0d\u6703\u4e1f\u5931\u91cd\u8981\u6578\u64da\u3002<\/p>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8-unlink-%e5%91%bd%e4%bb%a4-SlpZabsLxQ\">2. \u4f7f\u7528 UNLINK \u547d\u4ee4<\/h2>\n<p>\u5728 Redis 4.0 \u7248\u672c\u4e2d\uff0c\u65b0\u589e\u4e86 <code>UNLINK<\/code> \u547d\u4ee4\uff0c\u9019\u662f\u4e00\u500b\u975e\u963b\u585e\u7684\u522a\u9664\u64cd\u4f5c\u3002\u8207 <code>DEL<\/code> \u547d\u4ee4\u4e0d\u540c\uff0c<code>UNLINK<\/code> \u6703\u5c07\u9375\u7684\u522a\u9664\u64cd\u4f5c\u653e\u5165\u4e00\u500b\u7570\u6b65\u968a\u5217\u4e2d\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5728\u522a\u9664\u5927\u91cf\u9375\u6642\u9020\u6210\u7684\u963b\u585e\u3002<\/p>\n<p>\u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>UNLINK key1 key2 key3<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5728\u4e0d\u5f71\u97ff Redis \u670d\u52d9\u5668\u6027\u80fd\u7684\u60c5\u6cc1\u4e0b\uff0c\u5feb\u901f\u6e05\u7a7a\u6307\u5b9a\u7684\u9375\u3002<\/p>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8%e6%a8%a1%e5%bc%8f%e5%8c%b9%e9%85%8d%e5%88%aa%e9%99%a4-SlpZabsLxQ\">3. \u4f7f\u7528\u6a21\u5f0f\u5339\u914d\u522a\u9664<\/h2>\n<p>\u5982\u679c\u9700\u8981\u6839\u64da\u7279\u5b9a\u6a21\u5f0f\u522a\u9664\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u7d50\u5408 <code>DEL<\/code> \u6216 <code>UNLINK<\/code> \u547d\u4ee4\u3002\u9019\u7a2e\u65b9\u6cd5\u9069\u5408\u65bc\u9700\u8981\u6e05\u7a7a\u7279\u5b9a\u985e\u578b\u7684\u9375\u7684\u60c5\u6cc1\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u522a\u9664\u6240\u6709\u4ee5 <code>session:<\/code> \u958b\u982d\u7684\u9375\uff1a<\/p>\n<pre><code>SCAN 0 MATCH session:* COUNT 1000<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u7b26\u5408\u689d\u4ef6\u7684\u9375\uff0c\u7136\u5f8c\u53ef\u4ee5\u4f7f\u7528 <code>DEL<\/code> \u6216 <code>UNLINK<\/code> \u9032\u884c\u522a\u9664\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c<code>SCAN<\/code> \u547d\u4ee4\u662f\u589e\u91cf\u8fed\u4ee3\u7684\uff0c\u56e0\u6b64\u9700\u8981\u5728\u5faa\u74b0\u4e2d\u4f7f\u7528\uff0c\u76f4\u5230\u8fd4\u56de\u7684\u6e38\u6a19\u70ba 0\u3002<\/p>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8-redis-%e9%9b%86%e7%be%a4%e7%9a%84%e6%b8%85%e7%a9%ba%e6%8a%80%e5%b7%a7-SlpZabsLxQ\">4. \u4f7f\u7528 Redis \u96c6\u7fa4\u7684\u6e05\u7a7a\u6280\u5de7<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u96c6\u7fa4\u6642\uff0c\u6e05\u7a7a\u6578\u64da\u7684\u65b9\u5f0f\u7565\u6709\u4e0d\u540c\u3002\u53ef\u4ee5\u4f7f\u7528 <code>FLUSHALL<\/code> \u547d\u4ee4\uff0c\u4f46\u9019\u6703\u5f71\u97ff\u6574\u500b\u96c6\u7fa4\u7684\u6240\u6709\u6578\u64da\u5eab\u3002\u5982\u679c\u53ea\u60f3\u6e05\u7a7a\u7279\u5b9a\u7684\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u91dd\u5c0d\u6bcf\u500b\u7bc0\u9ede\u57f7\u884c <code>FLUSHDB<\/code> \u547d\u4ee4\u3002<\/p>\n<p>\u5728\u96c6\u7fa4\u74b0\u5883\u4e2d\uff0c\u5efa\u8b70\u4f7f\u7528 <code>CLUSTER SLOTS<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u6240\u6709\u7bc0\u9ede\u7684\u4fe1\u606f\uff0c\u7136\u5f8c\u9010\u4e00\u57f7\u884c\u6e05\u7a7a\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"5-%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-SlpZabsLxQ\">5. \u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u6e05\u7a7a Redis \u6578\u64da\u6642\uff0c\u61c9\u8a72\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u5728\u6e05\u7a7a\u6578\u64da\u4e4b\u524d\u505a\u597d\u6578\u64da\u5099\u4efd\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u4e1f\u5931\u3002<\/li>\n<li>\u5728\u9ad8\u6d41\u91cf\u7684\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u76e1\u91cf\u907f\u514d\u4f7f\u7528 <code>FLUSHALL<\/code> \u548c <code>FLUSHDB<\/code>\uff0c\u56e0\u70ba\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u670d\u52d9\u4e2d\u65b7\u3002<\/li>\n<li>\u4f7f\u7528 <code>UNLINK<\/code> \u547d\u4ee4\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-SlpZabsLxQ\">\u7e3d\u7d50<\/h2>\n<p>\u6e05\u7a7a Redis \u8868\u7684\u6280\u5de7\u6709\u5f88\u591a\uff0c\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u4f7f\u7528 <code>FLUSHDB<\/code> \u548c <code>FLUSHALL<\/code> \u547d\u4ee4\uff0c\u9084\u662f\u5229\u7528 <code>UNLINK<\/code> \u548c\u6a21\u5f0f\u5339\u914d\u522a\u9664\uff0c\u90fd\u80fd\u6709\u6548\u5730\u7ba1\u7406 Redis \u4e2d\u7684\u6578\u64da\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\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u5347\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u638c\u63e1Redis\u5feb\u901f\u6e05\u7a7a\u8868\u7684\u6280\u5de7\uff0c\u63d0\u5347\u6570\u636e\u7ba1\u7406\u6548\u7387\uff0c\u8f7b\u677e\u6e05\u7406\u65e0\u7528\u6570\u636e\uff0c\u4f18\u5316\u7cfb\u7edf\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-125551","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125551","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=125551"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125551\/revisions"}],"predecessor-version":[{"id":125552,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125551\/revisions\/125552"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=125551"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=125551"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=125551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}