{"id":184984,"date":"2024-11-10T17:46:17","date_gmt":"2024-11-10T09:46:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184984\/"},"modified":"2024-11-10T17:46:18","modified_gmt":"2024-11-10T09:46:18","slug":"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e5%85%a7%e5%ad%98%e6%b7%98%e6%b1%b0%e7%ad%96%e7%95%a5%e7%9a%84%e6%99%ba%e6%85%a7%e7%99%bc%e6%8f%ae%ef%bc%88redis%e7%9a%84%e5%85%a7%e5%ad%98%e6%b7%98%e6%b1%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184984\/","title":{"rendered":"\u4f7f\u7528Redis\u5be6\u73fe\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\u7684\u667a\u6167\u767c\u63ee\uff08redis\u7684\u5167\u5b58\u6dd8\u6c70\u6a5f\u667a\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e5%85%a7%e5%ad%98%e6%b7%98%e6%b1%b0%e7%ad%96%e7%95%a5%e7%9a%84%e6%99%ba%e6%85%a7%e7%99%bc%e6%8f%ae%ef%bc%88redis%e7%9a%84%e5%85%a7%e5%ad%98%e6%b7%98%e6%b1%b0-lRivcWxfYq\">\u4f7f\u7528Redis\u5be6\u73fe\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\u7684\u667a\u6167\u767c\u63ee\uff08redis\u7684\u5167\u5b58\u6dd8\u6c70\u6a5f\u667a\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\u548c\u9ad8\u6548\u7684\u5167\u5b58\u7ba1\u7406\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5728\u5167\u5b58\u4e0d\u8db3\u7684\u60c5\u6cc1\u4e0b\uff0c\u667a\u80fd\u5730\u7ba1\u7406\u6578\u64da\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684\u5167\u5b58\u6dd8\u6c70\u6a5f\u5236\u53ca\u5176\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86%e6%a6%82%e8%bf%b0-lRivcWxfYq\">Redis\u7684\u5167\u5b58\u7ba1\u7406\u6982\u8ff0<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u4e3b\u8981\u7528\u65bc\u9ad8\u6027\u80fd\u7684\u6578\u64da\u5b58\u5132\u548c\u6aa2\u7d22\u3002\u7576Redis\u7684\u5167\u5b58\u4f7f\u7528\u9054\u5230\u8a2d\u5b9a\u7684\u4e0a\u9650\u6642\uff0c\u7cfb\u7d71\u9700\u8981\u6839\u64da\u7279\u5b9a\u7684\u7b56\u7565\u4f86\u6dd8\u6c70\u820a\u6578\u64da\uff0c\u4ee5\u4fbf\u70ba\u65b0\u6578\u64da\u9a30\u51fa\u7a7a\u9593\u3002\u9019\u4e9b\u7b56\u7565\u88ab\u7a31\u70ba\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\u3002<\/p>\n<h2 id=\"%e5%85%a7%e5%ad%98%e6%b7%98%e6%b1%b0%e7%ad%96%e7%95%a5%e9%a1%9e%e5%9e%8b-lRivcWxfYq\">\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\u985e\u578b<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\uff0c\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<ul>\n<li><strong>noeviction<\/strong>\uff1a\u7576\u5167\u5b58\u9054\u5230\u4e0a\u9650\u6642\uff0c\u7121\u6cd5\u518d\u5beb\u5165\u65b0\u6578\u64da\uff0c\u6703\u8fd4\u56de\u932f\u8aa4\u3002<\/li>\n<li><strong>allkeys-lru<\/strong>\uff1a\u5f9e\u6240\u6709\u9375\u4e2d\u9078\u64c7\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u9375\u9032\u884c\u6dd8\u6c70\u3002<\/li>\n<li><strong>volatile-lru<\/strong>\uff1a\u50c5\u5f9e\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u4e2d\u9078\u64c7\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u9375\u9032\u884c\u6dd8\u6c70\u3002<\/li>\n<li><strong>allkeys-random<\/strong>\uff1a\u96a8\u6a5f\u9078\u64c7\u4e00\u500b\u9375\u9032\u884c\u6dd8\u6c70\u3002<\/li>\n<li><strong>volatile-random<\/strong>\uff1a\u96a8\u6a5f\u9078\u64c7\u4e00\u500b\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u9032\u884c\u6dd8\u6c70\u3002<\/li>\n<li><strong>volatile-ttl<\/strong>\uff1a\u6839\u64da\u904e\u671f\u6642\u9593\u9078\u64c7\u5373\u5c07\u904e\u671f\u7684\u9375\u9032\u884c\u6dd8\u6c70\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%81%b8%e6%93%87%e5%90%88%e9%81%a9%e7%9a%84%e5%85%a7%e5%ad%98%e6%b7%98%e6%b1%b0%e7%ad%96%e7%95%a5-lRivcWxfYq\">\u5982\u4f55\u9078\u64c7\u5408\u9069\u7684\u5167\u5b58\u6dd8\u6c70\u7b56\u7565<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\u53d6\u6c7a\u65bc\u61c9\u7528\u7684\u9700\u6c42\u548c\u6578\u64da\u7279\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8003\u91cf\u56e0\u7d20\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u7684\u4f7f\u7528\u983b\u7387<\/strong>\uff1a\u5982\u679c\u67d0\u4e9b\u6578\u64da\u7d93\u5e38\u88ab\u8a2a\u554f\uff0c\u5247\u61c9\u8003\u616e\u4f7f\u7528LRU\u7b56\u7565\uff0c\u4ee5\u4fdd\u7559\u9019\u4e9b\u6578\u64da\u3002<\/li>\n<li><strong>\u6578\u64da\u7684\u904e\u671f\u7279\u6027<\/strong>\uff1a\u5982\u679c\u6578\u64da\u6709\u660e\u78ba\u7684\u904e\u671f\u6642\u9593\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528volatile\u7b56\u7565\u4f86\u7ba1\u7406\u9019\u4e9b\u6578\u64da\u3002<\/li>\n<li><strong>\u61c9\u7528\u7684\u5bb9\u932f\u6027<\/strong>\uff1a\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u61c9\u7528\u53ef\u80fd\u9700\u8981\u5728\u5167\u5b58\u4e0d\u8db3\u6642\u4ecd\u7136\u80fd\u5920\u5beb\u5165\u6578\u64da\uff0c\u9019\u6642\u53ef\u4ee5\u8003\u616enoeviction\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e5%85%a7%e5%ad%98%e6%b7%98%e6%b1%b0%e7%ad%96%e7%95%a5%e7%9a%84%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-lRivcWxfYq\">Redis\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\u7684\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Redis\u914d\u7f6e\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u8a2d\u7f6e\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\uff1a<\/p>\n<pre><code>\n# \u8a2d\u7f6e\u6700\u5927\u5167\u5b58\u70ba100MB\nmaxmemory 100mb\n\n# \u8a2d\u7f6e\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\u70baallkeys-lru\nmaxmemory-policy allkeys-lru\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u7576Redis\u7684\u5167\u5b58\u4f7f\u7528\u9054\u5230100MB\u6642\uff0c\u5c07\u81ea\u52d5\u6839\u64daLRU\u7b56\u7565\u6dd8\u6c70\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-lRivcWxfYq\">\u7d50\u8ad6<\/h2>\n<p>Redis\u7684\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6578\u64da\u7ba1\u7406\u9078\u64c7\uff0c\u80fd\u5920\u6839\u64da\u4e0d\u540c\u7684\u61c9\u7528\u9700\u6c42\u9032\u884c\u8abf\u6574\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u61c9\u7528\u5728\u9ad8\u8ca0\u8f09\u4e0b\u4ecd\u7136\u80fd\u5920\u7a69\u5b9a\u904b\u884c\uff0c\u4e26\u6709\u6548\u5229\u7528\u5167\u5b58\u8cc7\u6e90\u3002<\/p>\n<p>\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u5b58\u53d6\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u5167\u5b58\u6dd8\u6c70\u7b56\u7565\u81f3\u95dc\u91cd\u8981\u3002\u7121\u8ad6\u662f\u4f7f\u7528Redis\u4f5c\u70ba\u7de9\u5b58\u9084\u662f\u6578\u64da\u5b58\u5132\uff0c\u4e86\u89e3\u5176\u5167\u5b58\u7ba1\u7406\u6a5f\u5236\u90fd\u80fd\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u8a2d\u8a08\u548c\u512a\u5316\u7cfb\u7d71\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u53ca<code>\u4e91\u670d\u52a1\u5668<\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a 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