{"id":166943,"date":"2024-11-05T21:00:24","date_gmt":"2024-11-05T13:00:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/166943\/"},"modified":"2024-11-05T21:00:25","modified_gmt":"2024-11-05T13:00:25","slug":"%e7%90%86%e5%a6%82%e4%bd%95%e6%9c%89%e6%95%88%e6%b8%85%e7%90%86redis%e7%b7%a9%e5%ad%98%ef%bc%88redis%e7%b7%a9%e5%ad%98%e6%80%8e%e9%ba%bc%e6%b8%85%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/166943\/","title":{"rendered":"\u7406\u5982\u4f55\u6709\u6548\u6e05\u7406Redis\u7de9\u5b58\uff08redis\u7de9\u5b58\u600e\u9ebc\u6e05\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e6%9c%89%e6%95%88%e6%b8%85%e7%90%86redis%e7%b7%a9%e5%ad%98%ef%bc%88redis%e7%b7%a9%e5%ad%98%e6%80%8e%e9%ba%bc%e6%b8%85%ef%bc%89-NYCyWAyRiO\">\u5982\u4f55\u6709\u6548\u6e05\u7406Redis\u7de9\u5b58\uff08redis\u7de9\u5b58\u600e\u9ebc\u6e05\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6578\u64da\u5eab\u548c\u6d88\u606f\u4ee3\u7406\u7b49\u5834\u666f\u3002\u96a8\u8457\u4f7f\u7528\u6642\u9593\u7684\u589e\u52a0\uff0cRedis\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u53ef\u80fd\u6703\u8b8a\u5f97\u5197\u9918\u6216\u904e\u6642\uff0c\u56e0\u6b64\u5b9a\u671f\u6e05\u7406\u7de9\u5b58\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u6e05\u7406Redis\u7de9\u5b58\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\u548c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%b8%85%e7%90%86redis%e7%b7%a9%e5%ad%98-NYCyWAyRiO\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7406Redis\u7de9\u5b58<\/h2>\n<p>\u6e05\u7406Redis\u7de9\u5b58\u7684\u4e3b\u8981\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u91cb\u653e\u5167\u5b58\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0cRedis\u7684\u5167\u5b58\u4f7f\u7528\u91cf\u6703\u589e\u52a0\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff1a<\/strong>\u904e\u6642\u6216\u5197\u9918\u7684\u6578\u64da\u6703\u5f71\u97ff\u67e5\u8a62\u7684\u6548\u7387\uff0c\u6e05\u7406\u5f8c\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u78ba\u4fdd\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u8207\u5f8c\u7aef\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u4fdd\u6301\u4e00\u81f4\uff0c\u907f\u514d\u56e0\u70ba\u7de9\u5b58\u6578\u64da\u904e\u671f\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b8%85%e7%90%86redis%e7%b7%a9%e5%ad%98%e7%9a%84%e6%96%b9%e6%b3%95-NYCyWAyRiO\">\u6e05\u7406Redis\u7de9\u5b58\u7684\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8expire%e5%91%bd%e4%bb%a4%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-NYCyWAyRiO\">1. \u4f7f\u7528EXPIRE\u547d\u4ee4\u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86EXPIRE\u547d\u4ee4\uff0c\u53ef\u4ee5\u70ba\u6bcf\u500b\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u7576\u9375\u904e\u671f\u5f8c\uff0cRedis\u6703\u81ea\u52d5\u5c07\u5176\u522a\u9664\u3002\u9019\u662f\u4e00\u7a2e\u6709\u6548\u7684\u7ba1\u7406\u7de9\u5b58\u7684\u65b9\u5f0f\u3002<\/p>\n<pre><code>EXPIRE mykey 60<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c07mykey\u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u70ba60\u79d2\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8ttl%e5%91%bd%e4%bb%a4%e6%aa%a2%e6%9f%a5%e5%89%a9%e9%a4%98%e6%99%82%e9%96%93-NYCyWAyRiO\">2. \u4f7f\u7528TTL\u547d\u4ee4\u6aa2\u67e5\u5269\u9918\u6642\u9593<\/h3>\n<p>\u4f7f\u7528TTL\u547d\u4ee4\u53ef\u4ee5\u6aa2\u67e5\u67d0\u500b\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff0c\u9019\u6709\u52a9\u65bc\u4e86\u89e3\u54ea\u4e9b\u9375\u5373\u5c07\u904e\u671f\u3002<\/p>\n<pre><code>TTL mykey<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8flushdb%e5%92%8cflushall%e5%91%bd%e4%bb%a4-NYCyWAyRiO\">3. \u4f7f\u7528FLUSHDB\u548cFLUSHALL\u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u9700\u8981\u6e05\u7a7a\u6574\u500b\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528FLUSHDB\u547d\u4ee4\u3002\u82e5\u8981\u6e05\u7a7a\u6240\u6709\u6578\u64da\u5eab\uff0c\u5247\u4f7f\u7528FLUSHALL\u547d\u4ee4\u3002\u9019\u4e9b\u547d\u4ee4\u6703\u7acb\u5373\u522a\u9664\u6240\u6709\u6578\u64da\uff0c\u56e0\u6b64\u5728\u4f7f\u7528\u6642\u9700\u8b39\u614e\u3002<\/p>\n<pre><code>FLUSHDB<\/code><\/pre>\n<pre><code>FLUSHALL<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8unlink%e5%91%bd%e4%bb%a4-NYCyWAyRiO\">4. \u4f7f\u7528UNLINK\u547d\u4ee4<\/h3>\n<p>UNLINK\u547d\u4ee4\u53ef\u4ee5\u975e\u963b\u585e\u5730\u522a\u9664\u9375\uff0c\u9019\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\u7684\u6e05\u7406\u975e\u5e38\u6709\u7528\u3002\u8207DEL\u547d\u4ee4\u4e0d\u540c\uff0cUNLINK\u4e0d\u6703\u7acb\u5373\u522a\u9664\u9375\uff0c\u800c\u662f\u5c07\u5176\u6a19\u8a18\u70ba\u5f85\u522a\u9664\uff0c\u7136\u5f8c\u5728\u80cc\u666f\u4e2d\u9032\u884c\u6e05\u7406\u3002<\/p>\n<pre><code>UNLINK mykey<\/code><\/pre>\n<h3 id=\"5-%e4%bd%bf%e7%94%a8lru%e7%ae%97%e6%b3%95%e8%87%aa%e5%8b%95%e6%b8%85%e7%90%86-NYCyWAyRiO\">5. \u4f7f\u7528LRU\u7b97\u6cd5\u81ea\u52d5\u6e05\u7406<\/h3>\n<p>Redis\u652f\u6301LRU\uff08Least Recently Used\uff09\u7b97\u6cd5\u4f86\u81ea\u52d5\u6e05\u7406\u4e0d\u5e38\u7528\u7684\u9375\u3002\u53ef\u4ee5\u901a\u904e\u914d\u7f6emaxmemory\u548cmaxmemory-policy\u4f86\u555f\u7528\u6b64\u529f\u80fd\u3002<\/p>\n<pre><code>CONFIG SET maxmemory 100mb<\/code><\/pre>\n<pre><code>CONFIG SET maxmemory-policy allkeys-lru<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-NYCyWAyRiO\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u7de9\u5b58\uff0c\u907f\u514d\u5167\u5b58\u6ea2\u51fa\u3002<\/li>\n<li>\u6839\u64da\u696d\u52d9\u9700\u6c42\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\u3002<\/li>\n<li>\u76e3\u63a7Redis\u7684\u6027\u80fd\u6307\u6a19\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\u3002<\/li>\n<li>\u5728\u751f\u7522\u74b0\u5883\u4e2d\u4f7f\u7528UNLINK\u547d\u4ee4\u4ee5\u6e1b\u5c11\u963b\u585e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NYCyWAyRiO\">\u7e3d\u7d50<\/h2>\n<p>\u6709\u6548\u6e05\u7406Redis\u7de9\u5b58\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u901a\u904e\u4f7f\u7528EXPIRE\u3001TTL\u3001FLUSHDB\u3001UNLINK\u7b49\u547d\u4ee4\uff0c\u4e26\u7d50\u5408LRU\u7b97\u6cd5\uff0c\u53ef\u4ee5\u5be6\u73fe\u9ad8\u6548\u7684\u7de9\u5b58\u7ba1\u7406\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fddRedis\u7684\u904b\u884c\u74b0\u5883\u7a69\u5b9a\u53ef\u9760\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u6e05\u7406Redis\u7de9\u5b58\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u638c\u63e1\u6e05\u7406\u547d\u4ee4\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u78ba\u4fdd\u6578\u64da\u4e00\u81f4\u6027\u8207\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-166943","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166943","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=166943"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166943\/revisions"}],"predecessor-version":[{"id":166944,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166943\/revisions\/166944"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=166943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=166943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=166943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}