{"id":172015,"date":"2024-11-07T09:34:18","date_gmt":"2024-11-07T01:34:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/172015\/"},"modified":"2024-11-07T09:34:19","modified_gmt":"2024-11-07T01:34:19","slug":"%e6%b8%85%e7%90%86redis%e7%b7%a9%e5%ad%98%ef%bc%8c%e8%a7%a3%e6%b1%ba%e7%b3%bb%e7%b5%b1%e7%93%b6%e9%a0%b8%ef%bc%88redis%e7%b7%a9%e5%ad%98%e6%80%8e%e9%ba%bc%e6%b8%85%e7%90%86%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/172015\/","title":{"rendered":"\u6e05\u7406Redis\u7de9\u5b58\uff0c\u89e3\u6c7a\u7cfb\u7d71\u74f6\u9838\uff08redis\u7de9\u5b58\u600e\u9ebc\u6e05\u7406\uff09"},"content":{"rendered":"<h1 id=\"%e6%b8%85%e7%90%86redis%e7%b7%a9%e5%ad%98%ef%bc%8c%e8%a7%a3%e6%b1%ba%e7%b3%bb%e7%b5%b1%e7%93%b6%e9%a0%b8%ef%bc%88redis%e7%b7%a9%e5%ad%98%e6%80%8e%e9%ba%bc%e6%b8%85%e7%90%86%ef%bc%89-KBDDmrkAfm\">\u6e05\u7406Redis\u7de9\u5b58\uff0c\u89e3\u6c7a\u7cfb\u7d71\u74f6\u9838\uff08redis\u7de9\u5b58\u600e\u9ebc\u6e05\u7406\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u3002\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0cRedis\u7de9\u5b58\u53ef\u80fd\u6703\u51fa\u73fe\u6578\u64da\u5197\u9918\u6216\u904e\u671f\u7684\u60c5\u6cc1\uff0c\u9019\u6703\u5c0e\u81f4\u7cfb\u7d71\u74f6\u9838\uff0c\u5f71\u97ff\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\u548c\u6574\u9ad4\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6e05\u7406Redis\u7de9\u5b58\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u6e05\u7406Redis\u7de9\u5b58\uff0c\u4e26\u89e3\u6c7a\u7cfb\u7d71\u74f6\u9838\u554f\u984c\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%ef%bc%9f-KBDDmrkAfm\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7406Redis\u7de9\u5b58\uff1f<\/h2>\n<p>Redis\u7de9\u5b58\u7684\u4e3b\u8981\u76ee\u7684\u662f\u52a0\u901f\u6578\u64da\u5b58\u53d6\uff0c\u6e1b\u5c11\u5c0d\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8acb\u6c42\u3002\u7136\u800c\uff0c\u96a8\u8457\u61c9\u7528\u7684\u904b\u884c\uff0c\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u53ef\u80fd\u6703\u8b8a\u5f97\u904e\u6642\u6216\u4e0d\u518d\u9700\u8981\u3002\u9019\u4e9b\u5197\u9918\u6578\u64da\u6703\u4f54\u7528\u5167\u5b58\u8cc7\u6e90\uff0c\u5c0e\u81f4\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u5167\u5b58\u4e0d\u8db3\uff1a<\/strong>\u7576\u7de9\u5b58\u4e2d\u5b58\u5132\u4e86\u5927\u91cf\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u5167\u5b58\u4e0d\u8db3\uff0c\u5f71\u97ff\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002<\/li>\n<li><strong>\u6027\u80fd\u4e0b\u964d\uff1a<\/strong>\u904e\u591a\u7684\u7de9\u5b58\u6578\u64da\u6703\u589e\u52a0\u67e5\u8a62\u7684\u8907\u96dc\u6027\uff0c\u5f9e\u800c\u964d\u4f4e\u7cfb\u7d71\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\u554f\u984c\uff1a<\/strong>\u904e\u671f\u7684\u7de9\u5b58\u6578\u64da\u53ef\u80fd\u6703\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u8b80\u53d6\u5230\u4e0d\u6b63\u78ba\u7684\u4fe1\u606f\uff0c\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%b8%85%e7%90%86redis%e7%b7%a9%e5%ad%98-KBDDmrkAfm\">\u5982\u4f55\u6e05\u7406Redis\u7de9\u5b58<\/h2>\n<p>\u6e05\u7406Redis\u7de9\u5b58\u7684\u65b9\u6cd5\u6709\u591a\u7a2e\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u6e05\u7406\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8expire%e5%91%bd%e4%bb%a4-KBDDmrkAfm\">1. \u4f7f\u7528EXPIRE\u547d\u4ee4<\/h3>\n<p>Redis\u5141\u8a31\u70ba\u6bcf\u500b\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u7576\u6642\u9593\u5230\u9054\u6642\uff0c\u8a72\u9375\u6703\u81ea\u52d5\u88ab\u522a\u9664\u3002\u4f7f\u7528EXPIRE\u547d\u4ee4\u53ef\u4ee5\u70ba\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>EXPIRE key seconds<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u9375\u201csession:123\u201d\u8a2d\u7f6e\u70ba\u57283600\u79d2\u5f8c\u904e\u671f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>EXPIRE session:123 3600<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8del%e5%91%bd%e4%bb%a4-KBDDmrkAfm\">2. \u4f7f\u7528DEL\u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u9700\u8981\u7acb\u5373\u522a\u9664\u67d0\u500b\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528DEL\u547d\u4ee4\uff1a<\/p>\n<pre><code>DEL key<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664\u9375\u201ccache:data\u201d\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>DEL cache:data<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8flushdb%e5%92%8cflushall%e5%91%bd%e4%bb%a4-KBDDmrkAfm\">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\uff0c\u9019\u5c07\u522a\u9664\u7576\u524d\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u9375\uff1a<\/p>\n<pre><code>FLUSHDB<\/code><\/pre>\n<p>\u82e5\u8981\u6e05\u7a7a\u6240\u6709\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528FLUSHALL\u547d\u4ee4\uff1a<\/p>\n<pre><code>FLUSHALL<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8lru%e9%a9%85%e9%80%90%e7%ad%96%e7%95%a5-KBDDmrkAfm\">4. \u4f7f\u7528LRU\u9a45\u9010\u7b56\u7565<\/h3>\n<p>Redis\u652f\u6301\u591a\u7a2e\u9a45\u9010\u7b56\u7565\uff0c\u5176\u4e2dLRU\uff08Least Recently Used\uff09\u7b56\u7565\u53ef\u4ee5\u81ea\u52d5\u522a\u9664\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002\u9019\u6a23\u53ef\u4ee5\u5728\u5167\u5b58\u4e0d\u8db3\u6642\u81ea\u52d5\u6e05\u7406\u4e0d\u5e38\u7528\u7684\u6578\u64da\u3002\u53ef\u4ee5\u901a\u904e\u914d\u7f6e\u6587\u4ef6\u6216\u904b\u884c\u6642\u547d\u4ee4\u8a2d\u7f6e\u9a45\u9010\u7b56\u7565\uff1a<\/p>\n<pre><code>maxmemory-policy allkeys-lru<\/code><\/pre>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%84%aa%e5%8c%96redis%e6%80%a7%e8%83%bd-KBDDmrkAfm\">\u76e3\u63a7\u548c\u512a\u5316Redis\u6027\u80fd<\/h2>\n<p>\u9664\u4e86\u5b9a\u671f\u6e05\u7406\u7de9\u5b58\u5916\uff0c\u9084\u61c9\u8a72\u76e3\u63a7Redis\u7684\u6027\u80fd\uff0c\u4ee5\u4fbf\u53ca\u6642\u767c\u73fe\u554f\u984c\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684INFO\u547d\u4ee4\u4f86\u7372\u53d6\u7576\u524d\u7684\u6027\u80fd\u6307\u6a19\uff1a<\/p>\n<pre><code>INFO<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6709\u95dc\u5167\u5b58\u4f7f\u7528\u3001\u547d\u4ee4\u57f7\u884c\u3001\u9023\u63a5\u6578\u7b49\u4fe1\u606f\uff0c\u5e6b\u52a9\u7ba1\u7406\u54e1\u4e86\u89e3Redis\u7684\u904b\u884c\u72c0\u6cc1\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-KBDDmrkAfm\">\u7d50\u8ad6<\/h2>\n<p>\u6e05\u7406Redis\u7de9\u5b58\u662f\u7dad\u6301\u7cfb\u7d71\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528EXPIRE\u3001DEL\u3001FLUSHDB\u548cFLUSHALL\u7b49\u547d\u4ee4\uff0c\u4e26\u7d50\u5408LRU\u9a45\u9010\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u7de9\u5b58\u6578\u64da\uff0c\u6e1b\u5c11\u7cfb\u7d71\u74f6\u9838\u7684\u5f71\u97ff\u3002\u5b9a\u671f\u76e3\u63a7Redis\u7684\u6027\u80fd\u6307\u6a19\uff0c\u80fd\u5920\u53ca\u6642\u767c\u73fe\u4e26\u89e3\u6c7a\u6f5b\u5728\u554f\u984c\uff0c\u78ba\u4fdd\u61c9\u7528\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u548c<em><a 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