{"id":116182,"date":"2024-10-24T15:20:41","date_gmt":"2024-10-24T07:20:41","guid":{"rendered":"https:\/\/server.hk\/cnblog\/116182\/"},"modified":"2024-10-24T15:20:41","modified_gmt":"2024-10-24T07:20:41","slug":"redis-%e5%bf%ab%e5%8f%96%e6%b8%85%e9%99%a4%e7%9a%84%e6%9c%89%e6%95%88%e6%93%8d%e4%bd%9c%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/116182\/","title":{"rendered":"Redis \u5feb\u53d6\u6e05\u9664\u7684\u6709\u6548\u64cd\u4f5c\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"redis-%e5%bf%ab%e5%8f%96%e6%b8%85%e9%99%a4%e7%9a%84%e6%9c%89%e6%95%88%e6%93%8d%e4%bd%9c%e6%96%b9%e6%b3%95-SXBaDXLbdr\">Redis \u5feb\u53d6\u6e05\u9664\u7684\u6709\u6548\u64cd\u4f5c\u65b9\u6cd5<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u8def\u61c9\u7528\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u5feb\u53d6\u4e2d\u7684\u6578\u64da\u53ef\u80fd\u6703\u8b8a\u5f97\u904e\u6642\u6216\u4e0d\u518d\u9700\u8981\uff0c\u56e0\u6b64\u5b9a\u671f\u6e05\u9664\u5feb\u53d6\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u5feb\u53d6\u6e05\u9664\u7684\u6709\u6548\u64cd\u4f5c\u65b9\u6cd5\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u5176\u5feb\u53d6\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%b8%85%e9%99%a4%e5%bf%ab%e5%8f%96%ef%bc%9f-SXBaDXLbdr\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u9664\u5feb\u53d6\uff1f<\/h2>\n<p>\u5feb\u53d6\u7684\u4e3b\u8981\u76ee\u7684\u662f\u52a0\u901f\u6578\u64da\u5b58\u53d6\uff0c\u4f46\u5982\u679c\u5feb\u53d6\u4e2d\u7684\u6578\u64da\u4e0d\u518d\u6709\u6548\uff0c\u5247\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u51fa\u73fe\u932f\u8aa4\u3002\u4ee5\u4e0b\u662f\u5e7e\u500b\u9700\u8981\u6e05\u9664\u5feb\u53d6\u7684\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u904e\u671f\uff1a<\/strong>\u67d0\u4e9b\u6578\u64da\u5728\u7279\u5b9a\u6642\u9593\u5f8c\u4e0d\u518d\u6709\u6548\uff0c\u9019\u6642\u9700\u8981\u6e05\u9664\u4ee5\u91cb\u653e\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u6578\u64da\u66f4\u65b0\uff1a<\/strong>\u7576\u5f8c\u7aef\u6578\u64da\u767c\u751f\u8b8a\u66f4\u6642\uff0c\u5feb\u53d6\u4e2d\u7684\u820a\u6578\u64da\u9700\u8981\u88ab\u66f4\u65b0\u6216\u522a\u9664\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u7ba1\u7406\uff1a<\/strong>\u904e\u591a\u7684\u5feb\u53d6\u6578\u64da\u6703\u4f54\u7528\u5167\u5b58\uff0c\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e5%bf%ab%e5%8f%96%e6%b8%85%e9%99%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%96%b9%e6%b3%95-SXBaDXLbdr\">Redis \u5feb\u53d6\u6e05\u9664\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u6e05\u9664\u5feb\u53d6\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u64cd\u4f5c\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-expire-%e5%91%bd%e4%bb%a4-SXBaDXLbdr\">1. \u4f7f\u7528 EXPIRE \u547d\u4ee4<\/h3>\n<p>EXPIRE \u547d\u4ee4\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u7576\u6642\u9593\u5230\u9054\u5f8c\uff0c\u8a72\u9375\u6703\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u662f\u4e00\u7a2e\u6709\u6548\u7684\u7ba1\u7406\u5feb\u53d6\u7684\u65b9\u5f0f\u3002<\/p>\n<pre><code>EXPIRE mykey 60  # \u8a2d\u7f6e mykey \u5728 60 \u79d2\u5f8c\u904e\u671f<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-del-%e5%91%bd%e4%bb%a4-SXBaDXLbdr\">2. \u4f7f\u7528 DEL \u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u9700\u8981\u7acb\u5373\u522a\u9664\u67d0\u500b\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528 DEL \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u6703\u7acb\u5373\u5f9e\u5feb\u53d6\u4e2d\u79fb\u9664\u6307\u5b9a\u7684\u9375\u3002<\/p>\n<pre><code>DEL mykey  # \u7acb\u5373\u522a\u9664 mykey<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-flushdb-%e5%92%8c-flushall-%e5%91%bd%e4%bb%a4-SXBaDXLbdr\">3. \u4f7f\u7528 FLUSHDB \u548c FLUSHALL \u547d\u4ee4<\/h3>\n<p>\u7576\u9700\u8981\u6e05\u7a7a\u6574\u500b\u6578\u64da\u5eab\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528 FLUSHDB \u547d\u4ee4\u3002\u82e5\u8981\u6e05\u7a7a\u6240\u6709\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528 FLUSHALL \u547d\u4ee4\u3002\u9019\u4e9b\u547d\u4ee4\u6703\u522a\u9664\u6240\u6709\u7684\u9375\uff0c\u9700\u8b39\u614e\u4f7f\u7528\u3002<\/p>\n<pre><code>FLUSHDB  # \u6e05\u7a7a\u7576\u524d\u6578\u64da\u5eab<\/code><\/pre>\n<pre><code>FLUSHALL  # \u6e05\u7a7a\u6240\u6709\u6578\u64da\u5eab<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8-lru-%e9%a9%85%e9%80%90%e7%ad%96%e7%95%a5-SXBaDXLbdr\">4. \u4f7f\u7528 LRU \u9a45\u9010\u7b56\u7565<\/h3>\n<p>Redis \u652f\u6301\u591a\u7a2e\u9a45\u9010\u7b56\u7565\uff0c\u5176\u4e2d LRU\uff08Least Recently Used\uff09\u7b56\u7565\u6703\u81ea\u52d5\u522a\u9664\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002\u9019\u5c0d\u65bc\u52d5\u614b\u7ba1\u7406\u5feb\u53d6\u975e\u5e38\u6709\u7528\u3002<\/p>\n<pre><code>CONFIG SET maxmemory-policy allkeys-lru  # \u8a2d\u7f6e LRU \u9a45\u9010\u7b56\u7565<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-SXBaDXLbdr\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u6e05\u9664 Redis \u5feb\u53d6\u6642\uff0c\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u5e6b\u52a9\u63d0\u9ad8\u6548\u7387\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u6aa2\u67e5\u5feb\u53d6\uff1a<\/strong>\u5b9a\u671f\u6aa2\u67e5\u5feb\u53d6\u4e2d\u7684\u6578\u64da\uff0c\u78ba\u4fdd\u5176\u6709\u6548\u6027\u3002<\/li>\n<li><strong>\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\uff1a<\/strong>\u6839\u64da\u6578\u64da\u7684\u7279\u6027\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8cc7\u6e90\u6d6a\u8cbb\u3002<\/li>\n<li><strong>\u76e3\u63a7\u6027\u80fd\uff1a<\/strong>\u4f7f\u7528 Redis \u7684\u76e3\u63a7\u5de5\u5177\uff0c\u89c0\u5bdf\u5feb\u53d6\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ca\u6642\u8abf\u6574\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-SXBaDXLbdr\">\u7d50\u8ad6<\/h2>\n<p>\u6e05\u9664 Redis \u5feb\u53d6\u662f\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u548c\u6578\u64da\u6e96\u78ba\u6027\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u4f7f\u7528 EXPIRE\u3001DEL\u3001FLUSHDB\u3001FLUSHALL \u7b49\u547d\u4ee4\uff0c\u4ee5\u53ca\u5408\u7406\u7684\u9a45\u9010\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u5feb\u53d6\u6578\u64da\u3002\u4e86\u89e3\u9019\u4e9b\u64cd\u4f5c\u65b9\u6cd5\u5f8c\uff0c\u60a8\u53ef\u4ee5\u66f4\u597d\u5730\u5229\u7528 Redis \u63d0\u5347\u61c9\u7528\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u5728\u60a8\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4e0a\u5be6\u65bd Redis \u5feb\u53d6\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6709\u6548\u7684Redis\u5feb\u53d6\u6e05\u9664\u64cd\u4f5c\u65b9\u6cd5\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\uff0c\u7c21\u5316\u7dad\u8b77\u6d41\u7a0b\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-116182","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/116182","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=116182"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/116182\/revisions"}],"predecessor-version":[{"id":116183,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/116182\/revisions\/116183"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=116182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=116182"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=116182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}