{"id":201464,"date":"2025-05-10T09:00:51","date_gmt":"2025-05-10T01:00:51","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201464\/"},"modified":"2025-05-10T09:00:51","modified_gmt":"2025-05-10T01:00:51","slug":"%e5%88%86%e4%ba%ab%e5%87%a0%e9%81%93-redis-%e9%ab%98%e9%a2%91%e9%9d%a2%e8%af%95%e9%a2%98%ef%bc%8c%e9%9d%a2%e8%af%95%e4%b8%8d%e7%94%a8%e6%84%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201464\/","title":{"rendered":"\u5206\u4eab\u51e0\u9053 Redis \u9ad8\u9891\u9762\u8bd5\u9898\uff0c\u9762\u8bd5\u4e0d\u7528\u6101"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5206\u4eab\u51e0\u9053 Redis \u9ad8\u9891\u9762\u8bd5\u9898\uff0c\u9762\u8bd5\u4e0d\u7528\u6101<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u6765\u5230golang\u5b66\u4e60\u7f51\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6570\u636e\u5e93\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300a\u5206\u4eab\u51e0\u9053 Redis \u9ad8\u9891\u9762\u8bd5\u9898\uff0c\u9762\u8bd5\u4e0d\u7528\u6101\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0bRedis\u3001\u7ebf\u7a0b\u3001\u96c6\u7fa4\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<h3><strong>&nbsp;<\/strong><\/h3>\n<h3><strong>1\u3001\u8bf4\u8bf4 Redis \u90fd\u6709\u54ea\u4e9b\u5e94\u7528\u573a\u666f?<\/strong><\/h3>\n<ul>\n<li>\u7f13\u5b58\uff1a\u8fd9\u5e94\u8be5\u662f Redis \u4e3b\u8981\u7684\u529f\u80fd\u4e86\uff0c\u4e5f\u662f\u5927\u578b\u7f51\u7ad9\u5fc5\u5907\u673a\u5236\uff0c\u5408\u7406\u5730\u4f7f\u7528\u7f13\u5b58\u4e0d\u4ec5\u53ef\u4ee5\u52a0 \u5feb\u6570\u636e\u7684\u8bbf\u95ee\u901f\u5ea6\uff0c\u800c\u4e14\u80fd\u591f\u6709\u6548\u5730\u964d\u4f4e\u540e\u7aef\u6570\u636e\u6e90\u7684\u538b\u529b\u3002<\/li>\n<li>\u5171\u4eabSession\uff1a\u5bf9\u4e8e\u4e00\u4e9b\u4f9d\u8d56 session \u529f\u80fd\u7684\u670d\u52a1\u6765\u8bf4\uff0c\u5982\u679c\u9700\u8981\u4ece\u5355\u673a\u53d8\u6210\u96c6\u7fa4\u7684\u8bdd\uff0c\u53ef\u4ee5\u9009\u62e9 redis \u6765\u7edf\u4e00\u7ba1\u7406 session\u3002<\/li>\n<li>\u6d88\u606f\u961f\u5217\u7cfb\u7edf\uff1a\u6d88\u606f\u961f\u5217\u7cfb\u7edf\u53ef\u4ee5\u8bf4\u662f\u4e00\u4e2a\u5927\u578b\u7f51\u7ad9\u7684\u5fc5\u5907\u57fa\u7840\u7ec4\u4ef6\uff0c\u56e0\u4e3a\u5176\u5177\u6709\u4e1a\u52a1 \u89e3\u8026\u3001\u975e\u5b9e\u65f6\u4e1a\u52a1\u524a\u5cf0\u7b49\u7279\u6027\u3002Redis\u63d0\u4f9b\u4e86\u53d1\u5e03\u8ba2\u9605\u529f\u80fd\u548c\u963b\u585e\u961f\u5217\u7684\u529f \u80fd\uff0c\u867d\u7136\u548c\u4e13\u4e1a\u7684\u6d88\u606f\u961f\u5217\u6bd4\u8fd8\u4e0d\u591f\u8db3\u591f\u5f3a\u5927\uff0c\u4f46\u662f\u5bf9\u4e8e\u4e00\u822c\u7684\u6d88\u606f\u961f\u5217\u529f \u80fd\u57fa\u672c\u53ef\u4ee5\u6ee1\u8db3\u3002\u6bd4\u5982\u5728\u5206\u5e03\u5f0f\u722c\u866b\u7cfb\u7edf\u4e2d\uff0c\u4f7f\u7528 redis \u6765\u7edf\u4e00\u7ba1\u7406 url\u961f\u5217\u3002<\/li>\n<li>\u5206\u5e03\u5f0f\u9501\uff1a\u5728\u5206\u5e03\u5f0f\u670d\u52a1\u4e2d\u3002\u53ef\u4ee5\u5229\u7528Redis\u7684setnx\u529f\u80fd\u6765\u7f16\u5199\u5206\u5e03\u5f0f\u7684\u9501\uff0c\u867d\u7136\u8fd9\u4e2a\u53ef\u80fd\u4e0d\u662f\u592a\u5e38\u7528\u3002<\/li>\n<\/ul>\n<p>\u5f53\u7136\u8fd8\u6709\u8bf8\u5982\u6392\u884c\u699c\u3001\u70b9\u8d5e\u529f\u80fd\u90fd\u53ef\u4ee5\u4f7f\u7528 Redis \u6765\u5b9e\u73b0\uff0c\u4f46\u662f Redis \u4e5f\u4e0d\u662f\u4ec0\u4e48\u90fd\u53ef\u4ee5\u505a\uff0c\u6bd4\u5982\u6570\u636e\u91cf\u7279\u522b\u5927\u65f6\uff0c\u4e0d\u9002\u5408 Redis\uff0c\u6211\u4eec\u77e5\u9053 Redis \u662f\u57fa\u4e8e\u5185\u5b58\u7684\uff0c\u867d\u7136\u5185\u5b58\u5f88\u4fbf\u5b9c\uff0c\u4f46\u662f\u5982\u679c\u4f60\u6bcf\u5929\u7684\u6570\u636e\u91cf\u7279\u522b\u5927\uff0c\u6bd4\u5982\u51e0\u4ebf\u6761\u7684\u7528\u6237\u884c\u4e3a\u65e5\u5fd7\u6570\u636e\uff0c\u7528 Redis \u6765\u5b58\u50a8\u7684\u8bdd\uff0c\u6210\u672c\u76f8\u5f53\u7684\u9ad8\u3002<\/p>\n<h3><strong>2\u3001\u5355\u7ebf\u7a0b\u7684 Redis \u4e3a\u4ec0\u4e48\u8fd9\u4e48\u5feb?<\/strong><\/h3>\n<p>Redis \u6709\u591a\u5feb?\u5b98\u65b9\u7ed9\u51fa\u7684\u7b54\u6848\u662f\u8bfb\u5199\u901f\u5ea6 10\u4e07\/\u79d2\uff0c\u5982\u679c\u8bf4\u8fd9\u662f\u5728\u5355\u7ebf\u7a0b\u60c5\u51b5\u4e0b\u8dd1\u51fa\u6765\u7684\u6210\u7ee9\uff0c\u4f60\u4f1a\u4e0d\u4f1a\u60ca\u8bb6?\u4e3a\u4ec0\u4e48\u5355\u7ebf\u7a0b\u7684 Redis \u901f\u5ea6\u8fd9\u4e48\u5feb?\u539f\u56e0\u6709\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n<ul>\n<li>\u7eaf\u5185\u5b58\u64cd\u4f5c\uff1aRedis \u662f\u5b8c\u5168\u57fa\u4e8e\u5185\u5b58\u7684\uff0c\u6240\u4ee5\u8bfb\u5199\u6548\u7387\u975e\u5e38\u7684\u9ad8\uff0c\u5f53\u7136 Redis \u5b58\u5728\u6301\u4e45\u5316\u64cd\u4f5c\uff0c\u5728\u6301\u4e45\u5316\u64cd\u4f5c\u662f\u90fd\u662f fork \u5b50\u8fdb\u7a0b\u548c\u5229\u7528 Linux \u7cfb\u7edf\u7684\u9875\u7f13\u5b58\u6280\u672f\u6765\u5b8c\u6210\uff0c\u5e76\u4e0d\u4f1a\u5f71\u54cd Redis \u7684\u6027\u80fd\u3002<\/li>\n<li>\u5355\u7ebf\u7a0b\u64cd\u4f5c\uff1a\u5355\u7ebf\u7a0b\u5e76\u4e0d\u662f\u574f\u4e8b\uff0c\u5355\u7ebf\u7a0b\u53ef\u4ee5\u907f\u514d\u4e86\u9891\u7e41\u7684\u4e0a\u4e0b\u6587\u5207\u6362\uff0c\u9891\u7e41\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u4e5f\u4f1a\u5f71\u54cd\u6027\u80fd\u7684\u3002<\/li>\n<li>\u5408\u7406\u9ad8\u6548\u7684\u6570\u636e\u7ed3\u6784<\/li>\n<li>\u91c7\u7528\u4e86\u975e\u963b\u585e I\/O \u591a\u8def\u590d\u7528\u673a\u5236\uff1a\u591a\u8defI\/O\u590d\u7528\u6a21\u578b\u662f\u5229\u7528 select\u3001poll\u3001epoll \u53ef\u4ee5\u540c\u65f6\u76d1\u5bdf\u591a\u4e2a\u6d41\u7684 I\/O \u4e8b\u4ef6\u7684\u80fd\u529b\uff0c\u5728\u7a7a\u95f2\u7684\u65f6\u5019\uff0c\u4f1a\u628a\u5f53\u524d\u7ebf\u7a0b\u963b\u585e\u6389\uff0c\u5f53\u6709\u4e00\u4e2a\u6216\u591a\u4e2a\u6d41\u6709 I\/O \u4e8b\u4ef6\u65f6\uff0c\u5c31\u4ece\u963b\u585e\u6001\u4e2d\u5524\u9192\uff0c\u4e8e\u662f\u7a0b\u5e8f\u5c31\u4f1a\u8f6e\u8be2\u4e00\u904d\u6240\u6709\u7684\u6d41(epoll \u662f\u53ea\u8f6e\u8be2\u90a3\u4e9b\u771f\u6b63\u53d1\u51fa\u4e86\u4e8b\u4ef6\u7684\u6d41)\uff0c\u5e76\u4e14\u53ea\u4f9d\u6b21\u987a\u5e8f\u7684\u5904\u7406\u5c31\u7eea\u7684\u6d41\uff0c\u8fd9\u79cd\u505a\u6cd5\u5c31\u907f\u514d\u4e86\u5927\u91cf\u7684\u65e0\u7528\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h3><strong>3\u3001\u8bf4\u8bf4 Redis \u7684\u6570\u636e\u7ed3\u6784\u53ca\u4f7f\u7528\u573a\u666f<\/strong><\/h3>\n<p>Redis \u63d0\u4f9b\u4e86 5\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u6bcf\u4e00\u79cd\u6570\u636e\u7ed3\u6784\u6709\u5404\u79cd\u7684\u4f7f\u7528\u573a\u666f\u3002<\/p>\n<p><strong>1\u3001String \u5b57\u7b26\u4e32<\/strong><\/p>\n<p>\u5b57\u7b26\u4e32\u7c7b\u578b\u662f Redis \u6700\u57fa\u7840\u7684\u6570\u636e\u7ed3\u6784\uff0c\u9996\u5148\u952e\u90fd\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u800c\u4e14 \u5176\u4ed6\u51e0\u79cd\u6570\u636e\u7ed3\u6784\u90fd\u662f\u5728\u5b57\u7b26\u4e32\u7c7b\u578b\u57fa\u7840\u4e0a\u6784\u5efa\u7684\uff0c\u6211\u4eec\u5e38\u4f7f\u7528\u7684 set key value \u547d\u4ee4\u5c31\u662f\u5b57\u7b26\u4e32\u3002\u5e38\u7528\u5728\u7f13\u5b58\u3001\u8ba1\u6570\u3001\u5171\u4eabSession\u3001\u9650\u901f\u7b49\u3002<\/p>\n<p><strong>2\u3001Hash \u54c8\u5e0c<\/strong><\/p>\n<p>\u5728Redis\u4e2d\uff0c\u54c8\u5e0c\u7c7b\u578b\u662f\u6307\u952e\u503c\u672c\u8eab\u53c8\u662f\u4e00\u4e2a\u952e\u503c\u5bf9 \u7ed3\u6784\uff0c\u5f62\u5982value={{field1\uff0cvalue1}\uff0c&#8230;{fieldN\uff0cvalueN}}\uff0c\u6dfb\u52a0\u547d\u4ee4\uff1ahset key field value\u3002\u54c8\u5e0c\u53ef\u4ee5\u7528\u6765\u5b58\u653e\u7528\u6237\u4fe1\u606f\uff0c\u6bd4\u5982\u5b9e\u73b0\u8d2d\u7269\u8f66<\/p>\n<p><strong>3\u3001List \u5217\u8868<\/strong><\/p>\n<p>\u5217\u8868(list)\u7c7b\u578b\u662f\u7528\u6765\u5b58\u50a8\u591a\u4e2a\u6709\u5e8f\u7684\u5b57\u7b26\u4e32\u3002\u53ef\u4ee5\u505a\u7b80\u5355\u7684\u6d88\u606f\u961f\u5217\u7684\u529f\u80fd\u3002\u53e6\u5916\uff0c\u53ef\u4ee5\u5229\u7528 lrange \u547d\u4ee4\uff0c\u505a\u57fa\u4e8e Redis\u7684\u5206\u9875\u529f\u80fd\uff0c\u6027\u80fd\u6781\u4f73\uff0c\u7528\u6237\u4f53\u9a8c\u597d\u3002<\/p>\n<p><strong>4\u3001Set \u96c6\u5408<\/strong><\/p>\n<p>\u96c6\u5408(set)\u7c7b\u578b\u4e5f\u662f\u7528\u6765\u4fdd\u5b58\u591a\u4e2a\u7684\u5b57\u7b26\u4e32\u5143\u7d20\uff0c\u4f46\u548c\u5217\u8868\u7c7b\u578b\u4e0d\u4e00 \u6837\u7684\u662f\uff0c\u96c6\u5408\u4e2d\u4e0d\u5141\u8bb8\u6709\u91cd\u590d\u5143\u7d20\uff0c\u5e76\u4e14\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u662f\u65e0\u5e8f\u7684\uff0c\u4e0d\u80fd\u901a\u8fc7 \u7d22\u5f15\u4e0b\u6807\u83b7\u53d6\u5143\u7d20\u3002\u5229\u7528 Set \u7684\u4ea4\u96c6\u3001\u5e76\u96c6\u3001\u5dee\u96c6\u7b49\u64cd\u4f5c\uff0c\u53ef\u4ee5\u8ba1\u7b97\u5171\u540c\u559c\u597d\uff0c\u5168\u90e8\u7684\u559c\u597d\uff0c\u81ea\u5df1\u72ec\u6709\u7684\u559c\u597d\u7b49\u529f\u80fd\u3002<\/p>\n<p><strong>5\u3001Sorted Set \u6709\u5e8f\u96c6\u5408<\/strong><\/p>\n<p>Sorted Set \u591a\u4e86\u4e00\u4e2a\u6743\u91cd\u53c2\u6570 Score\uff0c\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u80fd\u591f\u6309 Score \u8fdb\u884c\u6392\u5217\u3002\u53ef\u4ee5\u505a\u6392\u884c\u699c\u5e94\u7528\uff0c\u53d6 TOP N \u64cd\u4f5c<\/p>\n<h3>4\u3001\u8bf4\u4e00\u8bf4 Redis \u7684\u6570\u636e\u8fc7\u671f\u6dd8\u6c70\u7b56\u7565<\/h3>\n<p>\u5148\u7ed9\u5927\u5bb6\u4e00\u4e2a\u7ed3\u8bba\uff0cRedis \u4e2d\u6570\u636e\u8fc7\u671f\u7b56\u7565\u91c7\u7528\u5b9a\u671f\u5220\u9664+\u60f0\u6027\u5220\u9664\u7b56\u7565\u3002<\/p>\n<p><strong>1\u3001\u5b9a\u671f\u5220\u9664\u3001\u60f0\u6027\u5220\u9664\u7b56\u7565\u662f\u4ec0\u4e48?<\/strong><\/p>\n<ul>\n<li>\u5b9a\u671f\u5220\u9664\u7b56\u7565\uff1aRedis \u542f\u7528\u4e00\u4e2a\u5b9a\u65f6\u5668\u5b9a\u65f6\u76d1\u89c6\u6240\u6709\u7684 key\uff0c\u5224\u65adkey\u662f\u5426\u8fc7\u671f\uff0c\u8fc7\u671f\u7684\u8bdd\u5c31\u5220\u9664\u3002\u8fd9\u79cd\u7b56\u7565\u53ef\u4ee5\u4fdd\u8bc1\u8fc7\u671f\u7684 key \u6700\u7ec8\u90fd\u4f1a\u88ab\u5220\u9664\uff0c\u4f46\u662f\u4e5f\u5b58\u5728\u4e25\u91cd\u7684\u7f3a\u70b9\uff1a\u6bcf\u6b21\u90fd\u904d\u5386\u5185\u5b58\u4e2d\u6240\u6709\u7684\u6570\u636e\uff0c\u975e\u5e38\u6d88\u8017 CPU \u8d44\u6e90\uff0c\u5e76\u4e14\u5f53 key \u5df2\u8fc7\u671f\uff0c\u4f46\u662f\u5b9a\u65f6\u5668\u8fd8\u5904\u4e8e\u672a\u5524\u8d77\u72b6\u6001\uff0c\u8fd9\u6bb5\u65f6\u95f4\u5185 key \u4ecd\u7136\u53ef\u4ee5\u7528\u3002<\/li>\n<li>\u60f0\u6027\u5220\u9664\u7b56\u7565\uff1a\u5728\u83b7\u53d6 key \u65f6\uff0c\u5148\u5224\u65ad key \u662f\u5426\u8fc7\u671f\uff0c\u5982\u679c\u8fc7\u671f\u5219\u5220\u9664\u3002\u8fd9\u79cd\u65b9\u5f0f\u5b58\u5728\u4e00\u4e2a\u7f3a\u70b9\uff1a\u5982\u679c\u8fd9\u4e2a key \u4e00\u76f4\u672a\u88ab\u4f7f\u7528\uff0c\u90a3\u4e48\u5b83\u4e00\u76f4\u5728\u5185\u5b58\u4e2d\uff0c\u5176\u5b9e\u5b83\u5df2\u7ecf\u8fc7\u671f\u4e86\uff0c\u4f1a\u6d6a\u8d39\u5927\u91cf\u7684\u7a7a\u95f4\u3002<\/li>\n<\/ul>\n<p><strong>2\u3001\u5b9a\u671f\u5220\u9664+\u60f0\u6027\u5220\u9664\u7b56\u7565\u662f\u5982\u4f55\u5de5\u4f5c\u7684?<\/strong><\/p>\n<p>\u8fd9\u4e24\u79cd\u7b56\u7565\u5929\u7136\u7684\u4e92\u8865\uff0c\u7ed3\u5408\u8d77\u6765\u4e4b\u540e\uff0c\u5b9a\u65f6\u5220\u9664\u7b56\u7565\u5c31\u53d1\u751f\u4e86\u4e00\u4e9b\u6539\u53d8\uff0c\u4e0d\u5728\u662f\u6bcf\u6b21\u626b\u63cf\u5168\u90e8\u7684 key \u4e86\uff0c\u800c\u662f\u968f\u673a\u62bd\u53d6\u4e00\u90e8\u5206 key \u8fdb\u884c\u68c0\u67e5\uff0c\u8fd9\u6837\u5c31\u964d\u4f4e\u4e86\u5bf9 CPU \u8d44\u6e90\u7684\u635f\u8017\uff0c\u60f0\u6027\u5220\u9664\u7b56\u7565\u4e92\u8865\u4e86\u4e3a\u68c0\u67e5\u5230\u7684key\uff0c\u57fa\u672c\u4e0a\u6ee1\u8db3\u4e86\u6240\u6709\u8981\u6c42\u3002\u4f46\u662f\u6709\u65f6\u5019\u5c31\u662f\u90a3\u4e48\u7684\u5de7\uff0c\u65e2\u6ca1\u6709\u88ab\u5b9a\u65f6\u5668\u62bd\u53d6\u5230\uff0c\u53c8\u6ca1\u6709\u88ab\u4f7f\u7528\uff0c\u8fd9\u4e9b\u6570\u636e\u53c8\u5982\u4f55\u4ece\u5185\u5b58\u4e2d\u6d88\u5931?\u6ca1\u5173\u7cfb\uff0c\u8fd8\u6709\u5185\u5b58\u6dd8\u6c70\u673a\u5236\uff0c\u5f53\u5185\u5b58\u4e0d\u591f\u7528\u65f6\uff0c\u5185\u5b58\u6dd8\u6c70\u673a\u5236\u5c31\u4f1a\u4e0a\u573a\u3002Redis \u5185\u5b58\u6dd8\u6c70\u673a\u5236\u6709\u4ee5\u4e0b\u51e0\u79cd\u7b56\u7565\uff1a<\/p>\n<ul>\n<li>noeviction\uff1a\u5f53\u5185\u5b58\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u5199\u5165\u6570\u636e\u65f6\uff0c\u65b0\u5199\u5165\u64cd\u4f5c\u4f1a\u62a5\u9519\u3002(Redis \u9ed8\u8ba4\u7b56\u7565)<\/li>\n<li>allkeys-lru\uff1a\u5f53\u5185\u5b58\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u5199\u5165\u6570\u636e\u65f6\uff0c\u5728\u952e\u7a7a\u95f4\u4e2d\uff0c\u79fb\u9664\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684 Key\u3002(\u63a8\u8350\u4f7f\u7528)<\/li>\n<li>allkeys-random\uff1a\u5f53\u5185\u5b58\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u5199\u5165\u6570\u636e\u65f6\uff0c\u5728\u952e\u7a7a\u95f4\u4e2d\uff0c\u968f\u673a\u79fb\u9664\u67d0\u4e2a Key\u3002<\/li>\n<li>volatile-lru\uff1a\u5f53\u5185\u5b58\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u5199\u5165\u6570\u636e\u65f6\uff0c\u5728\u8bbe\u7f6e\u4e86\u8fc7\u671f\u65f6\u95f4\u7684\u952e\u7a7a\u95f4\u4e2d\uff0c\u79fb\u9664\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\u7684 Key\u3002\u8fd9\u79cd\u60c5\u51b5\u4e00\u822c\u662f\u628a Redis \u65e2\u5f53\u7f13\u5b58\uff0c\u53c8\u505a\u6301\u4e45\u5316\u5b58\u50a8\u7684\u65f6\u5019\u624d\u7528\u3002<\/li>\n<li>volatile-random\uff1a\u5f53\u5185\u5b58\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u5199\u5165\u6570\u636e\u65f6\uff0c\u5728\u8bbe\u7f6e\u4e86\u8fc7\u671f\u65f6\u95f4\u7684\u952e\u7a7a\u95f4\u4e2d\uff0c\u968f\u673a\u79fb\u9664\u67d0\u4e2a Key\u3002<\/li>\n<li>volatile-ttl\uff1a\u5f53\u5185\u5b58\u4e0d\u8db3\u4ee5\u5bb9\u7eb3\u65b0\u5199\u5165\u6570\u636e\u65f6\uff0c\u5728\u8bbe\u7f6e\u4e86\u8fc7\u671f\u65f6\u95f4\u7684\u952e\u7a7a\u95f4\u4e2d\uff0c\u6709\u66f4\u65e9\u8fc7\u671f\u65f6\u95f4\u7684 Key \u4f18\u5148\u79fb\u9664\u3002<\/li>\n<\/ul>\n<p>\u4fee\u6539\u5185\u5b58\u6dd8\u6c70\u673a\u5236\u53ea\u9700\u8981\u5728 redis.conf \u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e maxmemory-policy \u53c2\u6570\u5373\u53ef\u3002<\/p>\n<h3>5\u3001\u5982\u4f55\u89e3\u51b3 Redis \u7f13\u5b58\u7a7f\u900f\u548c\u7f13\u5b58\u96ea\u5d29\u95ee\u9898<\/h3>\n<p>\u7f13\u5b58\u96ea\u5d29\uff1a \u7531\u4e8e\u7f13\u5b58\u5c42\u627f\u8f7d\u7740\u5927\u91cf\u8bf7\u6c42\uff0c\u6709\u6548\u5730 \u4fdd\u62a4\u4e86\u5b58\u50a8\u5c42\uff0c\u4f46\u662f\u5982\u679c\u7f13\u5b58\u5c42\u7531\u4e8e\u67d0\u4e9b\u539f\u56e0\u4e0d\u80fd\u63d0\u4f9b\u670d\u52a1\uff0c\u6bd4\u5982 Redis \u8282\u70b9\u6302\u6389\u4e86\uff0c\u70ed\u70b9 key \u5168\u90e8\u5931\u6548\u4e86\uff0c\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6240\u6709\u7684\u8bf7\u6c42\u90fd\u4f1a\u76f4\u63a5\u8bf7\u6c42\u5230\u6570\u636e\u5e93\uff0c\u53ef\u80fd\u4f1a\u9020\u6210\u6570\u636e\u5e93\u5b95\u673a\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u9884\u9632\u548c\u89e3\u51b3\u7f13\u5b58\u96ea\u5d29\u95ee\u9898\uff0c\u53ef\u4ee5\u4ece\u4ee5\u4e0b\u4e09\u4e2a\u65b9\u9762\u8fdb\u884c\u7740\u624b\uff1a<\/p>\n<p>1\u3001\u4f7f\u7528 Redis \u9ad8\u53ef\u7528\u67b6\u6784\uff1a\u4f7f\u7528 Redis \u96c6\u7fa4\u6765\u4fdd\u8bc1 Redis \u670d\u52a1\u4e0d\u4f1a\u6302\u6389<\/p>\n<p>2\u3001\u7f13\u5b58\u65f6\u95f4\u4e0d\u4e00\u81f4\uff1a \u7ed9\u7f13\u5b58\u7684\u5931\u6548\u65f6\u95f4\uff0c\u52a0\u4e0a\u4e00\u4e2a\u968f\u673a\u503c\uff0c\u907f\u514d\u96c6\u4f53\u5931\u6548<\/p>\n<p>3\u3001\u9650\u6d41\u964d\u7ea7\u7b56\u7565\uff1a\u6709\u4e00\u5b9a\u7684\u5907\u6848\uff0c\u6bd4\u5982\u4e2a\u6027\u63a8\u8350\u670d\u52a1\u4e0d\u53ef\u7528\u4e86\uff0c\u6362\u6210\u70ed\u70b9\u6570\u636e\u63a8\u8350\u670d\u52a1<\/p>\n<p>\u7f13\u5b58\u7a7f\u900f\uff1a \u7f13\u5b58\u7a7f\u900f\u662f\u6307\u67e5\u8be2\u4e00\u4e2a\u6839\u672c\u4e0d\u5b58\u5728\u7684\u6570\u636e\uff0c\u8fd9\u6837\u7684\u6570\u636e\u80af\u5b9a\u4e0d\u5728\u7f13\u5b58\u4e2d\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u8bf7\u6c42\u5168\u90e8\u843d\u5230\u6570\u636e\u5e93\u4e0a\uff0c\u6709\u53ef\u80fd\u51fa\u73b0\u6570\u636e\u5e93\u5b95\u673a\u7684\u60c5\u51b5\u3002<\/p>\n<p>\u9884\u9632\u548c\u89e3\u51b3\u7f13\u5b58\u7a7f\u900f\u95ee\u9898\uff0c\u53ef\u4ee5\u8003\u8651\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\uff1a<\/p>\n<p>1\u3001\u7f13\u5b58\u7a7a\u5bf9\u8c61\uff1a \u5c06\u7a7a\u503c\u7f13\u5b58\u8d77\u6765\uff0c\u4f46\u662f\u8fd9\u6837\u5c31\u6709\u4e00\u4e2a\u95ee\u9898\uff0c\u5927\u91cf\u65e0\u6548\u7684\u7a7a\u503c\u5c06\u5360\u7528\u7a7a\u95f4\uff0c\u975e\u5e38\u6d6a\u8d39\u3002<\/p>\n<p>2\u3001\u5e03\u9686\u8fc7\u6ee4\u5668\u62e6\u622a\uff1a \u5c06\u6240\u6709\u53ef\u80fd\u7684\u67e5\u8be2key \u5148\u6620\u5c04\u5230\u5e03\u9686\u8fc7\u6ee4\u5668\u4e2d\uff0c\u67e5\u8be2\u65f6\u5148\u5224\u65adkey\u662f\u5426\u5b58\u5728\u5e03\u9686\u8fc7\u6ee4\u5668\u4e2d\uff0c\u5b58\u5728\u624d\u7ee7\u7eed\u5411\u4e0b\u6267\u884c\uff0c\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\u3002\u5e03\u9686\u8fc7\u6ee4\u5668\u6709\u4e00\u5b9a\u7684\u8bef\u5224\uff0c\u6240\u4ee5\u9700\u8981\u4f60\u7684\u4e1a\u52a1\u5141\u8bb8\u4e00\u5b9a\u7684\u5bb9\u9519\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5206\u4eab\u51e0\u9053 Redis \u9ad8\u9891\u9762\u8bd5\u9898&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201464","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201464","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201464"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201464\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201464"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201464"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201464"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}