{"id":201385,"date":"2025-05-10T09:28:16","date_gmt":"2025-05-10T01:28:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201385\/"},"modified":"2025-05-10T09:28:16","modified_gmt":"2025-05-10T01:28:16","slug":"%e8%a7%a3%e5%86%b3redis%e6%8c%81%e4%b9%85%e5%8c%96%e4%b9%8b%e5%a4%a7%e6%95%b0%e6%8d%ae%e6%9c%8d%e5%8a%a1%e6%9a%82%e5%81%9c%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201385\/","title":{"rendered":"\u89e3\u51b3Redis\u6301\u4e45\u5316\u4e4b\u5927\u6570\u636e\u670d\u52a1\u6682\u505c\u95ee\u9898"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u89e3\u51b3Redis\u6301\u4e45\u5316\u4e4b\u5927\u6570\u636e\u670d\u52a1\u6682\u505c\u95ee\u9898<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> 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3600 1000 \/\/\u524d\u4e00\u6b21\u5feb\u71673600\u79d2\u540e\uff0c\u5f53\u6709\u8d85\u8fc71000\u4e2akey\u88ab\u6539\u52a8\u7684\u65f6\u5019\u5c31\u8fdb\u884c\u4e00\u6b21\u5feb\u7167\u66f4\u65b0RDB\u5feb\u7167\u4ea7\u751fdump.rdb\u6587\u4ef6\uff0c\u5f53\u6bcf\u5230\u5feb\u7167\u65f6\u95f4\uff0c\u66f4\u65b0\u6587\u4ef6\u3002<\/p>\n<p>\u3000\u3000<strong>AOF\u662f\u5b58\u50a8\u6240\u6709\u7684\u5199\u64cd\u4f5c<\/strong>\uff0c\u5206\u4e24\u4e2a\u6b65\u9aa4\uff1afsync\u548crewrite<strong>fsync\u662f\u628a\u5185\u5b58\u4e2d\u7684\u5199\u64cd\u4f5c\u5199\u5165aof\u6587\u4ef6\u4e2d<\/strong><strong>rewrite\u662f\u5c06\u5199\u64cd\u4f5c\u5408\u5e76<\/strong>\uff0c\u6bd4\u5982set aa 1; set aa 2; \u4e24\u4e2a\u64cd\u4f5c\u5e94\u8be5\u5199\u6210\u4e00\u4e2a\u64cd\u4f5cset aa 2;<\/p>\n<p>\u3000\u3000\u5982\u679c\u6570\u636e\u91cf\u5c0f\u7684\u8bdd\uff0c\u5565\u95ee\u9898\u4e5f\u6ca1\u6709<\/p>\n<p>\u3000\u3000\u73b0\u5728\u5047\u8bbe\u670d\u52a1\u5668\u662f20G\u5185\u5b58\uff0c\u800c\u4e14\u670d\u52a1\u5668\u4e0a\u4ec5\u4ec5\u53ea\u6709\u8dd1redis\u4e00\u4e2a\u5360\u5185\u5b58\u7684\u8fdb\u7a0b\uff0c\u5c31\u662f\u8bf4redis\u6700\u591a\u53ef\u4ee5\u8dd120G\u7269\u7406\u5185\u5b58\u73b0\u5728\u538b\u516513G\u7684redis\u6570\u636e\uff08\u53ef\u4ee5\u4f7f\u7528phpredis\u5faa\u73af\u538b\u5165\uff0c\u4f46\u662f\u8981\u6ce8\u610f\u8bbe\u7f6ephp\u7684\u8fd0\u884c\u5185\u5b58\u5927\u5c0f\uff0c\u6700\u597d\u4f7f\u7528pipeline\u7684\u65b9\u5f0f\uff0c\u5426\u5219php\u51fa\u73b0\u5185\u5b58\u4e0d\u8db3\u7684error\uff09<\/p>\n<p>\u3000\u3000<strong>\u5c1d\u8bd51\uff0c\u6211\u4eec\u53ea\u4f7f\u7528RDB\u7684\u65b9\u5f0f<\/strong>\u5f53\u8fdb\u884c\u5feb\u7167\u7684\u65f6\u5019\uff08\u6d4b\u8bd5\u65f6\u5019\u53ef\u4ee5\u628a\u5feb\u7167\u95f4\u9694\u65f6\u95f4\u5b9a\u621030\u79d2\u6216\u66f4\u77ed\uff09top\u67e5\u770b\u8fdb\u7a0b<\/p>\n<p>\u3000\u300026376 test 16 0 13.5g 13g 7488 D 0.0 42.8 6:48.24 redis-server<\/p>\n<p>\u3000\u300032459 test 18 0 13.5g 13g 7200 D 1.3 42.8 0:23.22 redis-server<\/p>\n<p>\u3000\u3000\u770b\u5230\u6709\u4e24\u4e2a\u8fdb\u7a0b\uff0c\u540c\u65f6\u5728\u8fd0\u884c\uff0c\u5e76\u4e14\u5360\u7528\u540c\u6837\u5927\u5c0f\u7684\u5185\u5b58\u6570\uff0c\u548c\u8d77\u6765\u7adf\u7136\u5360\u752826G\u4e4b\u5927~\uff01<\/p>\n<p>\u3000\u3000\u73b0\u5728redis\u670d\u52a1\u7aef\u4e0a\u4e24\u4e2a\u8fdb\u7a0b\u90fd\u8fd0\u884c\uff0c\u770b\u770b\u5ba2\u6237\u7aef\uff1a\u6d4b\u8bd5redis-cli set\u64cd\u4f5c\uff1a<\/p>\n<p>\u3000\u3000redis 10.1.0.108:6379&gt; set test2 22<\/p>\n<p>\u3000\u3000\u8017\u65f6(40.47s)\u8fd11\u5206\u949f<\/p>\n<p>\u3000\u3000\u5c31\u662f\u8bf4\u5728\u5927\u6570\u636e\u91cf\u7684\u65f6\u5019\uff0c\u505aRDB\uff0credis\u670d\u52a1\u4f1a\u6682\u505c\u8fd11\u5206\u949f\uff01\u8fd9\u4e2a\u5c31\u662fredis\u6301\u4e45\u5316\u7684\u65f6\u5019\u7684\u670d\u52a1\u6682\u505c\u73b0\u8c61\u3002<\/p>\n<p>\u3000\u3000\u597d\u5427\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u6570\u636e\u5bb9\u9519\u6027\uff0c\u6211\u4eec\u7684\u5feb\u7167\u4e00\u822c\u662f\u8981\u9891\u7e41\u5feb\u7167\u7684\uff0c\u6240\u4ee5\u6682\u505c\u4e00\u5206\u949f\u662f\u4e0d\u53ef\u5bb9\u5fcd\u7684\u3002<\/p>\n<p>\u3000\u3000<strong>\u73b0\u5728\u5c1d\u8bd5\u4f7f\u7528AOF+RDB<\/strong>\uff1a<\/p>\n<p>\u3000\u30001 \u5c06RDB\u7684\u5feb\u7167\u65f6\u95f4\u8bbe\u7f6e\u4e3a1\u5929\uff08\u7531\u4e8e\u52a0\u4e0a\u4e86AOF\uff0c\u6240\u4ee5\u8fd9\u4e2a\u65f6\u95f4\u662f\u5408\u7406\u7684\uff09\u3002<\/p>\n<p>\u3000\u30002 1\u6b21\u6027\u538b\u51651000w\u5de6\u53f3\u7684string\u6570\u636e\u5230redis\u4e2d\uff08\u5927\u6982\u67095G\u6570\u636e\u91cf\uff09<\/p>\n<p>\u3000\u30003 \u67e5\u770b\u6027\u80fd\u8868\u73b0\uff1a<\/p>\n<p>\u3000\u3000\u7b2c\u4e00\u4e2a\u6b65\u9aa4fsync\uff1a<\/p>\n<p>\u3000\u3000redis\u4f1a\u4ece\u5185\u5b58\u4e2d\u9010\u6e10\u751f\u6210appendonly.aof \u5728\u8fd9\u4e2a\u8fc7\u7a0b\u6211\u8bd5\u4e86\u4e0bset\u548cget\u64cd\u4f5c\u90fd\u662f\u6ca1\u6709\u6682\u505c\u73b0\u8c61\u7684\uff08\u5f88\u597d~\uff01\uff09<\/p>\n<p>\u3000\u3000\u597d\u4e86\uff0c\u73b0\u5728appendonly.aof\u751f\u6210\u4e86\uff0c\u67095.7\u4e2aG<\/p>\n<p>\u3000\u3000-rw-r&#8211;r&#8211; 1 root root 4186238374 Mar 6 15:50 appendonly.aof<\/p>\n<p>\u3000\u3000\u7b2c\u4e8c\u4e2a\u6b65\u9aa4\uff1a\u8c03\u7528BGREWRITEAOF\u91cd\u5199aof\u6587\u4ef6<\/p>\n<p>\u3000\u3000\u8fd9\u4e2a\u65f6\u5019top\u67e5\u770b\uff1a<\/p>\n<p>\u3000\u3000\u770b\u5230\u4e5f\u662f\u4e24\u4e2aredis-server\u670d\u52a1\u5f00\u7740\u3002\u8bf4\u660erewrite\u7684\u65f6\u5019\u662ffork\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u5728rewrite\u7684\uff0c\u4e3b\u8fdb\u7a0b\u662f\u8fdb\u884c\u7740redis\u670d\u52a1\u7684\u3002<\/p>\n<p>\u3000\u3000\u8fd9\u4e2a\u65f6\u5019redis-cli\u8c03\u7528\u68c0\u67e5<\/p>\n<p>\u3000\u3000get\u64cd\u4f5c\uff1a\u65e0\u5ef6\u65f6<\/p>\n<p>\u3000\u3000set\u64cd\u4f5c\uff1a\u51fa\u73b0\u4e86\u5ef6\u8fdf\u73b0\u8c61 \uff01\uff01<\/p>\n<p>\u3000\u3000<strong>\u8fd9\u4e2a\u8bf4\u660eAOF\u5728\u91cd\u5199\u7684\u65f6\u5019\u4f1a\u5360\u7528\u670d\u52a1\u5668\u7684\u5927\u91cfCPU\u548c\u5185\u5b58\u8d44\u6e90\uff0c\u5bfc\u81f4\u670d\u52a1\u51fa\u73b0\u77ed\u6682\u6682\u505c\u73b0\u8c61\uff01<\/strong>\u4f46\u662f\u4e3a\u4ec0\u4e48get\u64cd\u4f5c\u6ca1\u6709\u51fa\u73b0\u5ef6\u8fdf\u73b0\u8c61\u5462\uff1f\u53c2\u8003\u5b98\u7f51\u6587\u7ae0\uff0c\u770b\u5230\u4e00\u4e2a\u914d\u7f6e\u9879\uff1ano-appendfsync-on-rewrite<\/p>\n<p>\u3000\u3000\u8fd9\u4e2a\u914d\u7f6e\u9879\u662f\u8bbe\u7f6e\u5728rewrite\u7684\u65f6\u5019\u662f\u5426\u5bf9\u65b0\u7684\u5199\u64cd\u4f5c\u8fdb\u884cfsync\u3002no\u8868\u793a\u8fdb\u884cfsync\uff0cyes\u8868\u793a\u4e0d\u8fdb\u884c<\/p>\n<p>\u3000\u3000\u9ed8\u8ba4\u662f\u8bbe\u7f6e\u4e3ano<\/p>\n<p>\u3000\u3000\u73b0\u5728\u5c06\u8fd9\u4e2a\u914d\u7f6e\u9879\u8bbe\u7f6e\u4e3ayes\uff08\u6211\u4eec\u5bf9\u4e8erewrite\u7684aof\u6587\u4ef6\u786c\u76d8\u5927\u5c0f\u6ca1\u6709\u5f88\u5927\u8981\u6c42\uff09<\/p>\n<p>\u3000\u3000\u91cd\u65b0\u8fdb\u884c\u6d4b\u8bd5\uff1a<\/p>\n<p>\u3000\u3000\u5bf9\u540c\u6837\u76845.7G\u7684AOF\u64cd\u4f5c\u8fdb\u884c\u4e00\u6b21BGREWRITEAOF\u3002<\/p>\n<p>\u3000\u3000get\u64cd\u4f5c\uff1a\u65e0\u5ef6\u8fdf<\/p>\n<p>\u3000\u3000set\u64cd\u4f5c\uff1a\u65e0\u5ef6\u8fdf<\/p>\n<p>\u3000\u3000\u5f88\u597d\uff01\u8bf4\u660e\u5728rewrite\u7684\u65f6\u5019\u5982\u679c\u4e0d\u8fdb\u884cfsync\u64cd\u4f5c\uff0c\u4e3b\u8fdb\u7a0b\u548c\u5b50\u8fdb\u7a0b\u662f\u4e92\u4e0d\u5e72\u6270\u7684\u3002<\/p>\n<p>\u3000\u3000<strong>\u90a3\u4e48\u5982\u679crewrite\u7684\u65f6\u5019\u5bf9\u65b0\u7684\u5199\u64cd\u4f5c\u4e0d\u8fdb\u884cfsync\uff0c\u90a3\u4e48\u65b0\u7684aof\u6587\u4ef6\u91cc\u9762\u662f\u5426\u4f1a\u4e22\u5931\u8fd9\u4e2a\u5199\u64cd\u4f5c\u5462\uff1f<\/strong><\/p>\n<p>\u3000\u3000\u7b54\u6848\u662f\u4e0d\u4f1a\u7684\uff0credis\u4f1a\u5c06\u65b0\u7684\u5199\u64cd\u4f5c\u653e\u5728\u5185\u5b58\u4e2d\uff0c\u7b49\u5f85rewrite\u64cd\u4f5c\u5b8c\u6210\u7684\u65f6\u5019\uff0c\u5c06\u65b0\u64cd\u4f5c\u76f4\u63a5\u6302\u5728aof\u4e2d\u3002<\/p>\n<p>\u3000\u3000\u597d\u4e86\uff0c\u81f3\u6b64\uff0c\u8fd9\u4e2a\u95ee\u9898\u5e94\u8be5\u5df2\u7ecf\u53ef\u4ee5\u8fc7\u53bb\u4e86\u3002<\/p>\n<p>\u3000\u3000<strong>\u63a8\u8350\u51e0\u4e2a\u6587\u7ae0\uff1a<\/strong><\/p>\n<p>\u3000\u3000\u5bf9\u6570\u636e\u6301\u4e45\u5316\u7684\u4e00\u4e9b\u60f3\u6cd5\uff1ahttp:\/\/www.yiihsia.com\/2011\/04\/%E5%AF%B9redis%E6%95%B0%E6%8D%AE%E6%8C%81%E4%B9%85%E5%8C%96%E7%9A%84%E4%B8%80%E4%BA%9B%E6%83%B3%E6%B3%95\/<\/p>\n<p>\u3000\u3000\uff08\u8fd9\u4e2a\u6587\u7ae0\u63d0\u4f9b\u4e86\u4e00\u4e2a\u975e\u5e38\u597d\u7684\u65b9\u6cd5\uff0c\u5f53\u6570\u636e\u91cf\u5927\uff0c\u5185\u5b58\u8db3\u591f\u7684\u60c5\u51b5\uff0c\u4e00\u53f0\u673a\u5b50\u4e0a\u5c3d\u91cf\u591a\u5f00\u51e0\u4e2aredis\uff0c\u751a\u81f3\u53ef\u4ee5\u8003\u8651\u6709\u51e0\u4e2acpu\u5c31\u5f00\u51e0\u4e2aredis\uff0c\u8fd9\u6837\uff0c\u6bcf\u4e2aredis\u7684\u5185\u5b58\u91cf\u4e0d\u4f1a\u592a\u5927\uff0c\u5c31\u4e0d\u4f1a\u6709\u5927\u6570\u636e\u91cf\u670d\u52a1\u6682\u505c\u95ee\u9898\uff0c\u8fd9\u4e2a\u4e5f\u662f\u8003\u8651\u5230\u4e86redis\u662f\u5355\u7ebf\u7a0b\u7684\uff0c\u80fd\u5c3d\u91cf\u5229\u7528CPU\uff09<\/p>\n<p>\u3000\u3000redis\u7684\u5185\u5b58\u9677\u9631\uff1ahttp:\/\/www.iteye.com\/topic\/808293<\/p>\n<p>\u3000\u3000\uff08\u8fd9\u4e2a\u6587\u7ae0\u5f88\u597d\u89e3\u91ca\u4e86\u95ee\u4ec0\u4e48\u5927\u6570\u636e\u91cf\u7684\u65f6\u5019\u4f1a\u51fa\u73b0\u670d\u52a1\u6682\u505c\uff09<\/p>\n<p>\u3000\u3000Copy on write does not seem to work.\uff1a http:\/\/code.google.com\/p\/redis\/issues\/detail?id=150<\/p>\n<p>\u3000\u3000\u51fa\u5904\uff1ahttp:\/\/www.cnblogs.com\/yjf512\/<\/p>\n<p>\u3000\u3000\u672c\u6587\u7248\u6743\u5f52yjf512\u548ccnBlog\u5171\u6709\uff0c\u6b22\u8fce\u8f6c\u8f7d\uff0c\u4f46\u672a\u7ecf\u4f5c\u8005\u540c\u610f\u5fc5\u987b\u4fdd\u7559\u6b64\u6bb5\u58f0\u660e<\/p>\n<p>\u3010\u7f16\u8f91\u63a8\u8350\u3011<\/p>\n<ol>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u51b3Redis\u6301\u4e45\u5316\u4e4b\u5927\u6570\u636e\u670d\u52a1&#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-201385","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201385","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=201385"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201385\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}