{"id":3268,"date":"2019-05-15T16:02:40","date_gmt":"2019-05-15T08:02:40","guid":{"rendered":"https:\/\/damogame.cn\/wordpress\/?p=3268"},"modified":"2019-05-15T16:03:12","modified_gmt":"2019-05-15T08:03:12","slug":"%e4%b8%ba%e4%bb%80%e4%b9%88%e8%af%b4redis%e6%98%af%e5%8d%95%e7%ba%bf%e7%a8%8b%e7%9a%84%e4%bb%a5%e5%8f%8aredis%e4%b8%ba%e4%bb%80%e4%b9%88%e8%bf%99%e4%b9%88%e5%bf%ab%ef%bc%81","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/3268","title":{"rendered":"\u4e3a\u4ec0\u4e48\u8bf4Redis\u662f\u5355\u7ebf\u7a0b\u7684\u4ee5\u53caRedis\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u5feb\uff01"},"content":{"rendered":"<div class=\"article-header-box\">\n<div class=\"article-header\">\n<div class=\"article-title-box\">\n<p><a href=\"https:\/\/blog.csdn.net\/xlgen157387\/article\/details\/79470556\">\u539f\u6587\u5730\u5740<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<article class=\"baidu_pl\">\n<div id=\"article_content\" class=\"article_content clearfix csdn-tracking-statistics\" data-pid=\"blog\" data-mod=\"popu_307\" data-dsm=\"post\">\n<div id=\"content_views\" class=\"markdown_views\">\n<h2 id=\"\u4e00\u524d\u8a00\"><a name=\"t0\"><\/a>\u4e00\u3001\u524d\u8a00<\/h2>\n<p>\u8fd1\u4e4e\u6240\u6709\u4e0eJava\u76f8\u5173\u7684\u9762\u8bd5\u90fd\u4f1a\u95ee\u5230\u7f13\u5b58\u7684\u95ee\u9898\uff0c\u57fa\u7840\u4e00\u70b9\u7684\u4f1a\u95ee\u5230\u4ec0\u4e48\u662f\u201c\u4e8c\u516b\u5b9a\u5f8b\u201d\u3001\u4ec0\u4e48\u662f\u201c\u70ed\u6570\u636e\u548c\u51b7\u6570\u636e\u201d\uff0c\u590d\u6742\u4e00\u70b9\u7684\u4f1a\u95ee\u5230\u7f13\u5b58\u96ea\u5d29\u3001\u7f13\u5b58\u7a7f\u900f\u3001\u7f13\u5b58\u9884\u70ed\u3001\u7f13\u5b58\u66f4\u65b0\u3001\u7f13\u5b58\u964d\u7ea7\u7b49\u95ee\u9898\uff0c\u8fd9\u4e9b\u770b\u4f3c\u4e0d\u5e38\u89c1\u7684\u6982\u5ff5\uff0c\u90fd\u4e0e\u6211\u4eec\u7684\u7f13\u5b58\u670d\u52a1\u5668\u76f8\u5173\uff0c\u4e00\u822c\u5e38\u7528\u7684\u7f13\u5b58\u670d\u52a1\u5668\u6709Redis\u3001Memcached\u7b49\uff0c\u800c\u7b14\u8005\u76ee\u524d\u6700\u5e38\u7528\u7684\u4e5f\u53ea\u6709Redis\u8fd9\u4e00\u79cd\u3002<\/p>\n<p>\u5982\u679c\u4f60\u5728\u4ee5\u524d\u9762\u8bd5\u7684\u65f6\u5019\u8fd8\u6ca1\u6709\u9047\u5230\u8fc7\u9762\u8bd5\u5b98\u95ee\u4f60\u300a\u4e3a\u4ec0\u4e48\u8bf4Redis\u662f\u5355\u7ebf\u7a0b\u7684\u4ee5\u53caRedis\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u5feb\uff01\u300b\uff0c\u90a3\u4e48\u4f60\u770b\u5230\u8fd9\u7bc7\u6587\u7ae0\u7684\u65f6\u5019\uff0c\u4f60\u5e94\u8be5\u89c9\u5f97\u662f\u4e00\u4ef6\u5f88\u5e78\u8fd0\u7684\u4e8b\u60c5\uff01\u5982\u679c\u4f60\u521a\u597d\u662f\u4e00\u4f4d\u9ad8\u903c\u683c\u7684\u9762\u8bd5\u5b98\uff0c\u4f60\u4e5f\u53ef\u4ee5\u62ff\u8fd9\u9053\u9898\u53bb\u9762\u8bd5\u5bf9\u9762\u201c\u671b\u7a7f\u79cb\u6c34\u201d\u822c\u7684\u5c0f\u4f19\u4f34\uff0c\u6d4b\u8bd5\u4e00\u4e0b\u4ed6\u7684\u638c\u63e1\u7a0b\u5ea6\u3002<\/p>\n<p>\u597d\u5566\uff01\u6b65\u5165\u6b63\u9898\uff01\u6211\u4eec\u5148\u63a2\u8ba8\u4e00\u4e0bRedis\u662f\u4ec0\u4e48\uff0cRedis\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u5feb\u3001\u7136\u540e\u5728\u63a2\u8ba8\u4e00\u4e0b\u4e3a\u4ec0\u4e48Redis\u662f\u5355\u7ebf\u7a0b\u7684\uff1f<\/p>\n<h2 id=\"\u4e8credis\u7b80\u4ecb\"><a name=\"t1\"><\/a>\u4e8c\u3001Redis\u7b80\u4ecb<\/h2>\n<p>Redis\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5185\u5b58\u4e2d\u7684\u6570\u636e\u7ed3\u6784\u5b58\u50a8\u7cfb\u7edf\uff0c\u5b83\u53ef\u4ee5\u7528\u4f5c\uff1a<strong>\u6570\u636e\u5e93\u3001\u7f13\u5b58\u548c\u6d88\u606f\u4e2d\u95f4\u4ef6<\/strong>\u3002<\/p>\n<p>\u5b83\u652f\u6301\u591a\u79cd\u7c7b\u578b\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5982\u5b57\u7b26\u4e32\uff08String\uff09\uff0c\u6563\u5217\uff08Hash\uff09\uff0c\u5217\u8868\uff08List\uff09\uff0c\u96c6\u5408\uff08Set\uff09\uff0c\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\u6216\u8005\u662fZSet\uff09\u4e0e\u8303\u56f4\u67e5\u8be2\uff0cBitmaps\uff0cHyperloglogs \u548c\u5730\u7406\u7a7a\u95f4\uff08Geospatial\uff09\u7d22\u5f15\u534a\u5f84\u67e5\u8be2\u3002<strong>\u5176\u4e2d\u5e38\u89c1\u7684\u6570\u636e\u7ed3\u6784\u7c7b\u578b\u6709\uff1aString\u3001List\u3001Set\u3001Hash\u3001ZSet\u8fd95\u79cd\u3002<\/strong><\/p>\n<p>Redis \u5185\u7f6e\u4e86\u590d\u5236\uff08Replication\uff09\uff0cLUA\u811a\u672c\uff08Lua scripting\uff09\uff0c LRU\u9a71\u52a8\u4e8b\u4ef6\uff08LRU eviction\uff09\uff0c\u4e8b\u52a1\uff08Transactions\uff09 \u548c\u4e0d\u540c\u7ea7\u522b\u7684\u78c1\u76d8\u6301\u4e45\u5316\uff08Persistence\uff09\uff0c\u5e76\u901a\u8fc7 Redis\u54e8\u5175\uff08Sentinel\uff09\u548c\u81ea\u52a8\u5206\u533a\uff08Cluster\uff09\u63d0\u4f9b\u9ad8\u53ef\u7528\u6027\uff08High Availability\uff09\u3002<\/p>\n<p>Redis\u4e5f\u63d0\u4f9b\u4e86\u6301\u4e45\u5316\u7684\u9009\u9879\uff0c\u8fd9\u4e9b\u9009\u9879\u53ef\u4ee5\u8ba9\u7528\u6237\u5c06\u81ea\u5df1\u7684\u6570\u636e\u4fdd\u5b58\u5230\u78c1\u76d8\u4e0a\u9762\u8fdb\u884c\u5b58\u50a8\u3002\u6839\u636e\u5b9e\u9645\u60c5\u51b5\uff0c\u53ef\u4ee5\u6bcf\u9694\u4e00\u5b9a\u65f6\u95f4\u5c06\u6570\u636e\u96c6\u5bfc\u51fa\u5230\u78c1\u76d8\uff08\u5feb\u7167\uff09\uff0c\u6216\u8005\u8ffd\u52a0\u5230\u547d\u4ee4\u65e5\u5fd7\u4e2d\uff08AOF\u53ea\u8ffd\u52a0\u6587\u4ef6\uff09\uff0c\u4ed6\u4f1a\u5728\u6267\u884c\u5199\u547d\u4ee4\u65f6\uff0c\u5c06\u88ab\u6267\u884c\u7684\u5199\u547d\u4ee4\u590d\u5236\u5230\u786c\u76d8\u91cc\u9762\u3002\u60a8\u4e5f\u53ef\u4ee5\u5173\u95ed\u6301\u4e45\u5316\u529f\u80fd\uff0c\u5c06Redis\u4f5c\u4e3a\u4e00\u4e2a\u9ad8\u6548\u7684\u7f51\u7edc\u7684\u7f13\u5b58\u6570\u636e\u529f\u80fd\u4f7f\u7528\u3002<\/p>\n<p>Redis\u4e0d\u4f7f\u7528\u8868\uff0c\u4ed6\u7684\u6570\u636e\u5e93\u4e0d\u4f1a\u9884\u5b9a\u4e49\u6216\u8005\u5f3a\u5236\u53bb\u8981\u6c42\u7528\u6237\u5bf9Redis\u5b58\u50a8\u7684\u4e0d\u540c\u6570\u636e\u8fdb\u884c\u5173\u8054\u3002<\/p>\n<p>\u6570\u636e\u5e93\u7684\u5de5\u4f5c\u6a21\u5f0f\u6309\u5b58\u50a8\u65b9\u5f0f\u53ef\u5206\u4e3a\uff1a\u786c\u76d8\u6570\u636e\u5e93\u548c\u5185\u5b58\u6570\u636e\u5e93\u3002Redis \u5c06\u6570\u636e\u50a8\u5b58\u5728\u5185\u5b58\u91cc\u9762\uff0c\u8bfb\u5199\u6570\u636e\u7684\u65f6\u5019\u90fd\u4e0d\u4f1a\u53d7\u5230\u786c\u76d8 I\/O \u901f\u5ea6\u7684\u9650\u5236\uff0c\u6240\u4ee5\u901f\u5ea6\u6781\u5feb\u3002<\/p>\n<p>\uff081\uff09\u786c\u76d8\u6570\u636e\u5e93\u7684\u5de5\u4f5c\u6a21\u5f0f\uff1a<br \/>\n<img decoding=\"async\" title=\"\" src=\"https:\/\/img-blog.csdn.net\/20170307142145648?watermark\/2\/text\/aHR0cDovL2Jsb2cuY3Nkbi5uZXQveGxnZW4xNTczODc=\/font\/5a6L5L2T\/fontsize\/400\/fill\/I0JBQkFCMA==\/dissolve\/70\/gravity\/SouthEast\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\uff082\uff09\u5185\u5b58\u6570\u636e\u5e93\u7684\u5de5\u4f5c\u6a21\u5f0f\uff1a<br \/>\n<img decoding=\"async\" title=\"\" src=\"https:\/\/img-blog.csdn.net\/20170307142210929?watermark\/2\/text\/aHR0cDovL2Jsb2cuY3Nkbi5uZXQveGxnZW4xNTczODc=\/font\/5a6L5L2T\/fontsize\/400\/fill\/I0JBQkFCMA==\/dissolve\/70\/gravity\/SouthEast\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u770b\u5b8c\u4e0a\u8ff0\u7684\u63cf\u8ff0\uff0c\u5bf9\u4e8e\u4e00\u4e9b\u5e38\u89c1\u7684Redis\u76f8\u5173\u7684\u9762\u8bd5\u9898\uff0c\u662f\u5426\u6709\u6240\u8ba4\u8bc6\u4e86\uff0c\u4f8b\u5982\uff1a\u4ec0\u4e48\u662fRedis\u3001Redis\u5e38\u89c1\u7684\u6570\u636e\u7ed3\u6784\u7c7b\u578b\u6709\u54ea\u4e9b\u3001Redis\u662f\u5982\u4f55\u8fdb\u884c\u6301\u4e45\u5316\u7684\u7b49\u3002<\/p>\n<h2 id=\"\u4e09redis\u5230\u5e95\u6709\u591a\u5feb\"><a name=\"t2\"><\/a>\u4e09\u3001Redis\u5230\u5e95\u6709\u591a\u5feb<\/h2>\n<p>Redis\u91c7\u7528\u7684\u662f\u57fa\u4e8e\u5185\u5b58\u7684\u91c7\u7528\u7684\u662f<strong>\u5355\u8fdb\u7a0b\u5355\u7ebf\u7a0b<\/strong>\u6a21\u578b\u7684\u00a0<strong>KV \u6570\u636e\u5e93<\/strong>\uff0c<strong>\u7531C\u8bed\u8a00\u7f16\u5199<\/strong>\uff0c\u5b98\u65b9\u63d0\u4f9b\u7684\u6570\u636e\u662f\u53ef\u4ee5\u8fbe\u5230100000+\u7684QPS\uff08\u6bcf\u79d2\u5185\u67e5\u8be2\u6b21\u6570\uff09\u3002\u8fd9\u4e2a\u6570\u636e\u4e0d\u6bd4\u91c7\u7528\u5355\u8fdb\u7a0b\u591a\u7ebf\u7a0b\u7684\u540c\u6837\u57fa\u4e8e\u5185\u5b58\u7684 KV \u6570\u636e\u5e93 Memcached \u5dee\uff01\u6709\u5174\u8da3\u7684\u53ef\u4ee5\u53c2\u8003\u5b98\u65b9\u7684\u57fa\u51c6\u7a0b\u5e8f\u6d4b\u8bd5\u300a<a href=\"https:\/\/redis.io\/topics\/benchmarks\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">How fast is Redis\uff1f<\/a>\u300b\uff08<a href=\"https:\/\/redis.io\/topics\/benchmarks\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">https:\/\/redis.io\/topics\/benchmarks<\/a>\uff09<\/p>\n<p><img decoding=\"async\" title=\"\" src=\"https:\/\/img-blog.csdn.net\/2018030715491722?watermark\/2\/text\/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdTAxMDg3MDUxOA==\/font\/5a6L5L2T\/fontsize\/400\/fill\/I0JBQkFCMA==\/dissolve\/70\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n<strong>\u6a2a\u8f74\u662f\u8fde\u63a5\u6570\uff0c\u7eb5\u8f74\u662fQPS<\/strong>\u3002\u6b64\u65f6\uff0c\u8fd9\u5f20\u56fe\u53cd\u6620\u4e86\u4e00\u4e2a\u6570\u91cf\u7ea7\uff0c\u5e0c\u671b\u5927\u5bb6\u5728\u9762\u8bd5\u7684\u65f6\u5019\u53ef\u4ee5\u6b63\u786e\u7684\u63cf\u8ff0\u51fa\u6765\uff0c\u4e0d\u8981\u95ee\u4f60\u7684\u65f6\u5019\uff0c\u4f60\u56de\u7b54\u7684\u6570\u91cf\u7ea7\u76f8\u5dee\u751a\u8fdc\uff01<\/p>\n<h2 id=\"\u56dbredis\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u5feb\"><a name=\"t3\"><\/a>\u56db\u3001Redis\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u5feb<\/h2>\n<p>1\u3001\u5b8c\u5168\u57fa\u4e8e\u5185\u5b58\uff0c\u7edd\u5927\u90e8\u5206\u8bf7\u6c42\u662f\u7eaf\u7cb9\u7684\u5185\u5b58\u64cd\u4f5c\uff0c\u975e\u5e38\u5feb\u901f\u3002\u6570\u636e\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u7c7b\u4f3c\u4e8eHashMap\uff0cHashMap\u7684\u4f18\u52bf\u5c31\u662f\u67e5\u627e\u548c\u64cd\u4f5c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u90fd\u662fO(1)\uff1b<\/p>\n<p>2\u3001\u6570\u636e\u7ed3\u6784\u7b80\u5355\uff0c\u5bf9\u6570\u636e\u64cd\u4f5c\u4e5f\u7b80\u5355\uff0cRedis\u4e2d\u7684\u6570\u636e\u7ed3\u6784\u662f\u4e13\u95e8\u8fdb\u884c\u8bbe\u8ba1\u7684\uff1b<\/p>\n<p>3\u3001\u91c7\u7528\u5355\u7ebf\u7a0b\uff0c\u907f\u514d\u4e86\u4e0d\u5fc5\u8981\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u548c\u7ade\u4e89\u6761\u4ef6\uff0c\u4e5f\u4e0d\u5b58\u5728\u591a\u8fdb\u7a0b\u6216\u8005\u591a\u7ebf\u7a0b\u5bfc\u81f4\u7684\u5207\u6362\u800c\u6d88\u8017 CPU\uff0c\u4e0d\u7528\u53bb\u8003\u8651\u5404\u79cd\u9501\u7684\u95ee\u9898\uff0c\u4e0d\u5b58\u5728\u52a0\u9501\u91ca\u653e\u9501\u64cd\u4f5c\uff0c\u6ca1\u6709\u56e0\u4e3a\u53ef\u80fd\u51fa\u73b0\u6b7b\u9501\u800c\u5bfc\u81f4\u7684\u6027\u80fd\u6d88\u8017\uff1b<\/p>\n<p>4\u3001\u4f7f\u7528\u591a\u8defI\/O\u590d\u7528\u6a21\u578b\uff0c\u975e\u963b\u585eIO\uff1b<\/p>\n<p>5\u3001\u4f7f\u7528\u5e95\u5c42\u6a21\u578b\u4e0d\u540c\uff0c\u5b83\u4eec\u4e4b\u95f4\u5e95\u5c42\u5b9e\u73b0\u65b9\u5f0f\u4ee5\u53ca\u4e0e\u5ba2\u6237\u7aef\u4e4b\u95f4\u901a\u4fe1\u7684\u5e94\u7528\u534f\u8bae\u4e0d\u4e00\u6837\uff0cRedis\u76f4\u63a5\u81ea\u5df1\u6784\u5efa\u4e86VM \u673a\u5236 \uff0c\u56e0\u4e3a\u4e00\u822c\u7684\u7cfb\u7edf\u8c03\u7528\u7cfb\u7edf\u51fd\u6570\u7684\u8bdd\uff0c\u4f1a\u6d6a\u8d39\u4e00\u5b9a\u7684\u65f6\u95f4\u53bb\u79fb\u52a8\u548c\u8bf7\u6c42\uff1b<\/p>\n<p>\u4ee5\u4e0a\u51e0\u70b9\u90fd\u6bd4\u8f83\u597d\u7406\u89e3\uff0c\u4e0b\u8fb9\u6211\u4eec\u9488\u5bf9\u591a\u8def I\/O \u590d\u7528\u6a21\u578b\u8fdb\u884c\u7b80\u5355\u7684\u63a2\u8ba8\uff1a<\/p>\n<p>\uff081\uff09\u591a\u8def I\/O \u590d\u7528\u6a21\u578b<\/p>\n<p>\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\uff08epoll \u662f\u53ea\u8f6e\u8be2\u90a3\u4e9b\u771f\u6b63\u53d1\u51fa\u4e86\u4e8b\u4ef6\u7684\u6d41\uff09\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<\/p>\n<p><strong>\u8fd9\u91cc\u201c\u591a\u8def\u201d\u6307\u7684\u662f\u591a\u4e2a\u7f51\u7edc\u8fde\u63a5\uff0c\u201c\u590d\u7528\u201d\u6307\u7684\u662f\u590d\u7528\u540c\u4e00\u4e2a\u7ebf\u7a0b\u3002<\/strong>\u91c7\u7528\u591a\u8def I\/O \u590d\u7528\u6280\u672f\u53ef\u4ee5\u8ba9\u5355\u4e2a\u7ebf\u7a0b\u9ad8\u6548\u7684\u5904\u7406\u591a\u4e2a\u8fde\u63a5\u8bf7\u6c42\uff08\u5c3d\u91cf\u51cf\u5c11\u7f51\u7edc IO \u7684\u65f6\u95f4\u6d88\u8017\uff09\uff0c\u4e14 Redis \u5728\u5185\u5b58\u4e2d\u64cd\u4f5c\u6570\u636e\u7684\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u4e5f\u5c31\u662f\u8bf4\u5185\u5b58\u5185\u7684\u64cd\u4f5c\u4e0d\u4f1a\u6210\u4e3a\u5f71\u54cdRedis\u6027\u80fd\u7684\u74f6\u9888\uff0c\u4e3b\u8981\u7531\u4ee5\u4e0a\u51e0\u70b9\u9020\u5c31\u4e86 Redis \u5177\u6709\u5f88\u9ad8\u7684\u541e\u5410\u91cf\u3002<\/p>\n<h2 id=\"\u4e94\u90a3\u4e48\u4e3a\u4ec0\u4e48redis\u662f\u5355\u7ebf\u7a0b\u7684\"><a name=\"t4\"><\/a>\u4e94\u3001\u90a3\u4e48\u4e3a\u4ec0\u4e48Redis\u662f\u5355\u7ebf\u7a0b\u7684<\/h2>\n<p>\u6211\u4eec\u9996\u5148\u8981\u660e\u767d\uff0c\u4e0a\u8fb9\u7684\u79cd\u79cd\u5206\u6790\uff0c\u90fd\u662f\u4e3a\u4e86\u8425\u9020\u4e00\u4e2aRedis\u5f88\u5feb\u7684\u6c1b\u56f4\uff01\u5b98\u65b9FAQ\u8868\u793a\uff0c\u56e0\u4e3aRedis\u662f\u57fa\u4e8e\u5185\u5b58\u7684\u64cd\u4f5c\uff0cCPU\u4e0d\u662fRedis\u7684\u74f6\u9888\uff0cRedis\u7684\u74f6\u9888\u6700\u6709\u53ef\u80fd\u662f\u673a\u5668\u5185\u5b58\u7684\u5927\u5c0f\u6216\u8005\u7f51\u7edc\u5e26\u5bbd\u3002\u65e2\u7136\u5355\u7ebf\u7a0b\u5bb9\u6613\u5b9e\u73b0\uff0c\u800c\u4e14CPU\u4e0d\u4f1a\u6210\u4e3a\u74f6\u9888\uff0c\u90a3\u5c31\u987a\u7406\u6210\u7ae0\u5730\u91c7\u7528\u5355\u7ebf\u7a0b\u7684\u65b9\u6848\u4e86\uff08\u6bd5\u7adf\u91c7\u7528\u591a\u7ebf\u7a0b\u4f1a\u6709\u5f88\u591a\u9ebb\u70e6\uff01\uff09\u3002<\/p>\n<p><img decoding=\"async\" title=\"\" src=\"https:\/\/img-blog.csdn.net\/20180307162652293?watermark\/2\/text\/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdTAxMDg3MDUxOA==\/font\/5a6L5L2T\/fontsize\/400\/fill\/I0JBQkFCMA==\/dissolve\/70\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u53ef\u4ee5\u53c2\u8003\uff1a<a href=\"https:\/\/redis.io\/topics\/faq\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">https:\/\/redis.io\/topics\/faq<\/a><\/p>\n<p>\u770b\u5230\u8fd9\u91cc\uff0c\u4f60\u53ef\u80fd\u4f1a\u6c14\u54ed\uff01\u672c\u4ee5\u4e3a\u4f1a\u6709\u4ec0\u4e48\u91cd\u5927\u7684\u6280\u672f\u8981\u70b9\u624d\u4f7f\u5f97Redis\u4f7f\u7528\u5355\u7ebf\u7a0b\u5c31\u53ef\u4ee5\u8fd9\u4e48\u5feb\uff0c\u6ca1\u60f3\u5230\u5c31\u662f\u4e00\u53e5\u5b98\u65b9\u770b\u4f3c\u7cca\u5f04\u6211\u4eec\u7684\u56de\u7b54\uff01\u4f46\u662f\uff0c\u6211\u4eec\u5df2\u7ecf\u53ef\u4ee5\u5f88\u6e05\u695a\u7684\u89e3\u91ca\u4e86\u4e3a\u4ec0\u4e48Redis\u8fd9\u4e48\u5feb\uff0c\u5e76\u4e14\u6b63\u662f\u7531\u4e8e\u5728\u5355\u7ebf\u7a0b\u6a21\u5f0f\u7684\u60c5\u51b5\u4e0b\u5df2\u7ecf\u5f88\u5feb\u4e86\uff0c\u5c31\u6ca1\u6709\u5fc5\u8981\u5728\u4f7f\u7528\u591a\u7ebf\u7a0b\u4e86\uff01<\/p>\n<p>\u4f46\u662f\uff0c\u6211\u4eec\u4f7f\u7528\u5355\u7ebf\u7a0b\u7684\u65b9\u5f0f\u662f\u65e0\u6cd5\u53d1\u6325\u591a\u6838CPU \u6027\u80fd\uff0c\u4e0d\u8fc7\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728\u5355\u673a\u5f00\u591a\u4e2aRedis \u5b9e\u4f8b\u6765\u5b8c\u5584\uff01<\/p>\n<p><strong><span style=\"color: red; font-size: large;\">\u8b66\u544a1<\/span><\/strong>\uff1a\u8fd9\u91cc\u6211\u4eec\u4e00\u76f4\u5728\u5f3a\u8c03\u7684\u5355\u7ebf\u7a0b\uff0c\u53ea\u662f\u5728\u5904\u7406\u6211\u4eec\u7684\u7f51\u7edc\u8bf7\u6c42\u7684\u65f6\u5019\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u6765\u5904\u7406\uff0c\u4e00\u4e2a\u6b63\u5f0f\u7684Redis Server\u8fd0\u884c\u7684\u65f6\u5019\u80af\u5b9a\u662f\u4e0d\u6b62\u4e00\u4e2a\u7ebf\u7a0b\u7684\uff0c\u8fd9\u91cc\u9700\u8981\u5927\u5bb6\u660e\u786e\u7684\u6ce8\u610f\u4e00\u4e0b\uff01\u4f8b\u5982Redis\u8fdb\u884c\u6301\u4e45\u5316\u7684\u65f6\u5019\u4f1a\u4ee5\u5b50\u8fdb\u7a0b\u6216\u8005\u5b50\u7ebf\u7a0b\u7684\u65b9\u5f0f\u6267\u884c\uff08\u5177\u4f53\u662f\u5b50\u7ebf\u7a0b\u8fd8\u662f\u5b50\u8fdb\u7a0b\u5f85\u8bfb\u8005\u6df1\u5165\u7814\u7a76\uff09\uff1b\u4f8b\u5982\u6211\u5728\u6d4b\u8bd5\u670d\u52a1\u5668\u4e0a\u67e5\u770bRedis\u8fdb\u7a0b\uff0c\u7136\u540e\u627e\u5230\u8be5\u8fdb\u7a0b\u4e0b\u7684\u7ebf\u7a0b\uff1a<\/p>\n<p><img decoding=\"async\" title=\"\" src=\"https:\/\/img-blog.csdn.net\/20180307172053108?watermark\/2\/text\/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvdTAxMDg3MDUxOA==\/font\/5a6L5L2T\/fontsize\/400\/fill\/I0JBQkFCMA==\/dissolve\/70\" alt=\"\u8fd9\u91cc\u5199\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>ps\u547d\u4ee4\u7684\u201c-T\u201d\u53c2\u6570\u8868\u793a\u663e\u793a\u7ebf\u7a0b\uff08Show threads, possibly with SPID column.\uff09\u201cSID\u201d\u680f\u8868\u793a\u7ebf\u7a0bID\uff0c\u800c\u201cCMD\u201d\u680f\u5219\u663e\u793a\u4e86\u7ebf\u7a0b\u540d\u79f0\u3002<\/p>\n<p><strong><span style=\"color: red; font-size: large;\">\u8b66\u544a2<\/span><\/strong>\uff1a\u5728\u4e0a\u56fe\u4e2dFAQ\u4e2d\u7684\u6700\u540e\u4e00\u6bb5\uff0c\u8868\u8ff0\u4e86\u4eceRedis 4.0\u7248\u672c\u5f00\u59cb\u4f1a\u652f\u6301\u591a\u7ebf\u7a0b\u7684\u65b9\u5f0f\uff0c\u4f46\u662f\uff0c\u53ea\u662f\u5728\u67d0\u4e00\u4e9b\u64cd\u4f5c\u4e0a\u8fdb\u884c\u591a\u7ebf\u7a0b\u7684\u64cd\u4f5c\uff01\u6240\u4ee5\u8be5\u7bc7\u6587\u7ae0\u5728\u4ee5\u540e\u7684\u7248\u672c\u4e2d\u662f\u5426\u8fd8\u662f\u5355\u7ebf\u7a0b\u7684\u65b9\u5f0f\u9700\u8981\u8bfb\u8005\u8003\u8bc1\uff01<\/p>\n<h2 id=\"\u516d\u6ce8\u610f\u70b9\"><a name=\"t5\"><\/a>\u516d\u3001\u6ce8\u610f\u70b9<\/h2>\n<p>1\u3001\u6211\u4eec\u77e5\u9053Redis\u662f\u7528\u201d\u5355\u7ebf\u7a0b-\u591a\u8def\u590d\u7528IO\u6a21\u578b\u201d\u6765\u5b9e\u73b0\u9ad8\u6027\u80fd\u7684\u5185\u5b58\u6570\u636e\u670d\u52a1\u7684\uff0c\u8fd9\u79cd\u673a\u5236\u907f\u514d\u4e86\u4f7f\u7528\u9501\uff0c\u4f46\u662f\u540c\u65f6\u8fd9\u79cd\u673a\u5236\u5728\u8fdb\u884csunion\u4e4b\u7c7b\u7684\u6bd4\u8f83\u8017\u65f6\u7684\u547d\u4ee4\u65f6\u4f1a\u4f7fredis\u7684\u5e76\u53d1\u4e0b\u964d\u3002\u56e0\u4e3a\u662f\u5355\u4e00\u7ebf\u7a0b\uff0c\u6240\u4ee5\u540c\u4e00\u65f6\u523b\u53ea\u6709\u4e00\u4e2a\u64cd\u4f5c\u5728\u8fdb\u884c\uff0c\u6240\u4ee5\uff0c\u8017\u65f6\u7684\u547d\u4ee4\u4f1a\u5bfc\u81f4\u5e76\u53d1\u7684\u4e0b\u964d\uff0c\u4e0d\u53ea\u662f\u8bfb\u5e76\u53d1\uff0c\u5199\u5e76\u53d1\u4e5f\u4f1a\u4e0b\u964d\u3002\u800c\u5355\u4e00\u7ebf\u7a0b\u4e5f\u53ea\u80fd\u7528\u5230\u4e00\u4e2aCPU\u6838\u5fc3\uff0c\u6240\u4ee5\u53ef\u4ee5\u5728\u540c\u4e00\u4e2a\u591a\u6838\u7684\u670d\u52a1\u5668\u4e2d\uff0c\u53ef\u4ee5\u542f\u52a8\u591a\u4e2a\u5b9e\u4f8b\uff0c\u7ec4\u6210master-master\u6216\u8005master-slave\u7684\u5f62\u5f0f\uff0c\u8017\u65f6\u7684\u8bfb\u547d\u4ee4\u53ef\u4ee5\u5b8c\u5168\u5728slave\u8fdb\u884c\u3002<\/p>\n<p>\u9700\u8981\u6539\u7684redis.conf\u9879\uff1a<\/p>\n<pre class=\"prettyprint\"><code class=\"hljs avrasm has-numbering\">pidfile \/var\/run\/redis\/redis_6377<span class=\"hljs-preprocessor\">.pid<\/span>  <span class=\"hljs-preprocessor\">#pidfile\u8981\u52a0\u4e0a\u7aef\u53e3\u53f7<\/span>\r\nport <span class=\"hljs-number\">6377<\/span>  <span class=\"hljs-preprocessor\">#\u8fd9\u4e2a\u662f\u5fc5\u987b\u6539\u7684<\/span>\r\nlogfile \/var\/log\/redis\/redis_6377<span class=\"hljs-preprocessor\">.log<\/span> <span class=\"hljs-preprocessor\">#logfile\u7684\u540d\u79f0\u4e5f\u52a0\u4e0a\u7aef\u53e3\u53f7<\/span>\r\ndbfilename dump_6377<span class=\"hljs-preprocessor\">.rdb<\/span>  <span class=\"hljs-preprocessor\">#rdbfile\u4e5f\u52a0\u4e0a\u7aef\u53e3\u53f7<\/span><\/code><\/pre>\n<ul 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