{"id":568,"date":"2021-12-22T18:21:39","date_gmt":"2021-12-22T10:21:39","guid":{"rendered":"https:\/\/www.djlog.cn\/?p=568"},"modified":"2021-12-22T18:21:39","modified_gmt":"2021-12-22T10:21:39","slug":"%e9%85%8d%e7%bd%aeredis%e7%9a%84%e4%b8%a4%e7%a7%8d%e6%8c%81%e4%b9%85%e5%8c%96%e5%ad%98%e5%82%a8%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/www.djlog.cn\/?p=568","title":{"rendered":"\u914d\u7f6eRedis\u7684\u4e24\u79cd\u6301\u4e45\u5316\u5b58\u50a8\u6a21\u5f0f"},"content":{"rendered":"<p>\u5728 <span style=\"color: #e03e2d;\"><strong>redis.conf <\/strong><\/span>\u4e2d\u914d\u7f6e\u4e24\u79cd\u6301\u4e45\u5316\u6a21\u5f0f<\/p>\n<p>1\u3001RDB<\/p>\n<p>RDB \u6587\u4ef6\u975e\u5e38\u7d27\u51d1\uff0c\u5b83\u4fdd\u5b58\u4e86 Redis \u67d0\u4e2a\u65f6\u95f4\u70b9\u4e0a\u7684\u6570\u636e\u96c6\u3002RDB \u6062\u590d\u5927\u6570\u636e\u96c6\u65f6\u901f\u5ea6\u8981\u6bd4 AOF \u5feb\u3002\u4f46\u662f RDB \u4e0d\u9002\u5408\u90a3\u4e9b\u5bf9\u65f6\u6548\u6027\u8981\u6c42\u5f88\u9ad8\u7684\u4e1a\u52a1\uff0c\u56e0\u4e3a\u5b83\u53ea\u4fdd\u5b58\u4e86\u5feb\u7167\uff0c\u5728\u8fdb\u884c\u6062\u590d\u65f6\u4f1a\u5bfc\u81f4\u4e00\u4e9b\u65f6\u95f4\u5185\u7684\u6570\u636e\u4e22\u5931\u3002\u5b9e\u9645\u5728\u8fdb\u884c\u5907\u4efd\u65f6\uff0cRedis \u4e3b\u8981\u4f9d\u9760 rdbSave()\u51fd\u6570\uff0c\u7136\u540e\u6709\u4e24\u4e2a\u547d\u4ee4\u4f1a\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570 SAVE \u548c BGSAVE\uff0c\u524d\u8005\u4f1a\u540c\u6b65\u8c03\u7528\uff0c\u963b\u585e\u4e3b\u8fdb\u7a0b\u5bfc\u81f4\u4f1a\u6709\u77ed\u6682\u7684 Redis-server \u505c\u6b62\u5de5\u4f5c\uff0c\u540e\u8005\u4f1a fork \u51fa\u5b50\u8fdb\u7a0b\u5f02\u6b65\u5904\u7406\u3002<\/p>\n<pre class=\"language-javascript\"><code># RDB\u6587\u4ef6\u540d\r\ndbfilename \"dump.rdb\"\r\n# RDB\u6587\u4ef6\u548cAOF\u6587\u4ef6\u8def\u5f84\r\ndir \"\/usr\/local\/var\/db\/redis\"\r\n\r\n# \u5f53\u5728\u89c4\u5b9a\u7684\u65f6\u95f4\u5185\uff0cRedis\u53d1\u751f\u4e86\u5199\u64cd\u4f5c\u7684\u4e2a\u6570\u6ee1\u8db3\u6761\u4ef6\uff0c\u4f1a\u89e6\u53d1\u53d1\u751fBGSAVE\u547d\u4ee4\u3002\r\n# save &lt;seconds&gt; &lt;changes&gt;\r\n# \u5f53\u7528\u6237\u8bbe\u7f6e\u4e86\u591a\u4e2asave\u7684\u9009\u9879\u914d\u7f6e\uff0c\u53ea\u8981\u5176\u4e2d\u4efb\u4e00\u6761\u6ee1\u8db3\uff0cRedis\u90fd\u4f1a\u89e6\u53d1\u4e00\u6b21BGSAVE\u64cd\u4f5c\uff0c\u6bd4\u5982\uff1a900\u79d2\u4e4b\u5185\u81f3\u5c11\u4e00\u6b21\u5199\u64cd\u4f5c\u3001300\u79d2\u4e4b\u5185\u81f3\u5c11\u53d1\u751f10\u6b21\u5199\u64cd\u4f5c\u300160\u79d2\u4e4b\u5185\u53d1\u751f\u81f3\u5c1110000\u6b21\u5199\u64cd\u4f5c\u90fd\u4f1a\u89e6\u53d1\u53d1\u751f\u5feb\u7167\u64cd\u4f5c\r\nsave 900 1\r\nsave 300 10\r\nsave 60 10000<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>2\u3001AOF(append only file)<\/p>\n<p>\u5feb\u7167\u5907\u4efd\u7684\u9891\u7387\u6709\u65f6\u5019\u4e0d\u80fd\u591f\u6ee1\u8db3\u8bfb\u5199\u7684\u9700\u8981\uff0c\u53ef\u4ee5\u5f00\u542faof\u673a\u5236\u3002\u8865\u5145\u5feb\u7167\u6280\u672f\u7684\u65f6\u95f4\u9891\u7387\u3002<\/p>\n<p>AOF \u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u7684 fsync \u7b56\u7565\u914d\u7f6e\uff0c\u5982\u679c\u672a\u8bbe\u7f6e fsync \uff0cAOF \u7684\u9ed8\u8ba4\u7b56\u7565\u4e3a\u6bcf\u79d2\u949f fsync \u4e00\u6b21\uff0c\u5728\u8fd9\u79cd\u914d\u7f6e\u4e0b\uff0c fsync \u4f1a\u5728\u540e\u53f0\u7ebf\u7a0b\u6267\u884c\uff0c\u6240\u4ee5\u4e3b\u7ebf\u7a0b\u4e0d\u4f1a\u53d7\u5230\u6253\u6270\u3002\u4f46\u662f\u50cf AOF \u8fd9\u79cd\u7b56\u7565\u4f1a\u5bfc\u81f4\u8ffd\u52a0\u7684\u6587\u4ef6\u975e\u5e38\u5927\uff0c\u800c\u4e14\u5728\u6062\u590d\u5927\u6570\u636e\u65f6\u975e\u5e38\u7f13\u6162\uff0c\u56e0\u4e3a\u8981\u628a\u6240\u6709\u4f1a\u5bfc\u81f4\u5199\u6570\u636e\u5e93\u7684\u547d\u4ee4\u90fd\u91cd\u65b0\u6267\u884c\u4e00\u904d\u3002AOF\u6587\u4ef6\u4e2d\u5b9e\u9645\u5b58\u50a8\u7684\u662f Redis \u534f\u8bae\u4e0b\u7684\u547d\u4ee4\u8bb0\u5f55\uff0c\u56e0\u6b64\u975e\u5e38\u6613\u8bfb\u3002\u5f53\u7136 Redis \u8003\u8651\u5230\u4e86 AOF \u6587\u4ef6\u8fc7\u5927\u7684\u95ee\u9898\uff0c\u56e0\u6b64\u5f15\u5165\u4e86 BGREWRITEAOF \u547d\u4ee4\u8fdb\u884c\u91cd\u5efa AOF \u6587\u4ef6\uff0c\u4fdd\u8bc1\u53ef\u4ee5\u51cf\u5c11\u5927\u91cf\u65e0\u7528\u7684\u91cd\u590d\u5199\u64cd\u4f5c\u3002\u91cd\u5efa\u547d\u4ee4\u5e76\u4e0d\u4f1a\u53bb\u5206\u6790\u5df2\u6709\u7684 AOF \u6587\u4ef6\uff0c\u800c\u662f\u5c06\u5f53\u524d\u6570\u636e\u5e93\u7684\u5feb\u7167\u4fdd\u5b58\u3002<\/p>\n<p><span style=\"color: #4d4d4d; font-family: -apple-system, 'SF UI Text', Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'WenQuanYi Micro Hei', sans-serif, SimHei, SimSun; font-size: 16px; background-color: #ffffff;\">\u9ed8\u8ba4\u662f\u5173\u95ed\u7684 <span style=\"color: #e03e2d;\">appendonly yes<\/span> \u662f\u5f00\u542f appendfsync \uff08always\uff0ceverysec\uff0cno\uff09 \u6539\u5b8c\u4e4b\u540e\u91cd\u542fredis\u670d\u52a1 ok<\/span><\/p>\n<pre class=\"language-javascript\"><code># redis\u9ed8\u8ba4\u5173\u95edAOF\u673a\u5236\uff0c\u53ef\u4ee5\u5c06no\u6539\u6210yes\u5b9e\u73b0AOF\u6301\u4e45\u5316\r\nappendonly no\r\n# AOF\u6587\u4ef6\r\nappendfilename \"appendonly.aof\"\r\n# AOF\u6301\u4e45\u5316\u540c\u6b65\u9891\u7387\uff0calways\u8868\u793a\u6bcf\u4e2aRedis\u5199\u547d\u4ee4\u90fd\u8981\u540c\u6b65fsync\u5199\u5165\u5230\u78c1\u76d8\u4e2d\uff0c\u4f46\u662f\u8fd9\u79cd\u65b9\u5f0f\u4f1a\u4e25\u91cd\u964d\u4f4eredis\u7684\u901f\u5ea6\uff1beverysec\u8868\u793a\u6bcf\u79d2\u6267\u884c\u4e00\u6b21\u540c\u6b65fsync\uff0c\u663e\u793a\u7684\u5c06\u591a\u4e2a\u5199\u547d\u4ee4\u540c\u6b65\u5230\u78c1\u76d8\u4e2d\uff1bno\u8868\u793a\u8ba9\u64cd\u4f5c\u7cfb\u7edf\u6765\u51b3\u5b9a\u5e94\u8be5\u4f55\u65f6\u8fdb\u884c\u540c\u6b65fsync\uff0cLinux\u7cfb\u7edf\u5f80\u5f80\u53ef\u80fd30\u79d2\u624d\u4f1a\u6267\u884c\u4e00\u6b21\r\n# appendfsync always\r\nappendfsync everysec\r\n# appendfsync no\r\n\r\n# \u5728\u65e5\u5fd7\u8fdb\u884cBGREWRITEAOF\u65f6\uff0c\u5982\u679c\u8bbe\u7f6e\u4e3ayes\u8868\u793a\u65b0\u5199\u64cd\u4f5c\u4e0d\u8fdb\u884c\u540c\u6b65fsync\uff0c\u53ea\u662f\u6682\u5b58\u5728\u7f13\u51b2\u533a\u91cc\uff0c\u907f\u514d\u9020\u6210\u78c1\u76d8IO\u64cd\u4f5c\u51b2\u7a81\uff0c\u7b49\u91cd\u5199\u5b8c\u6210\u540e\u5728\u5199\u5165\u3002redis\u4e2d\u9ed8\u8ba4\u4e3ano  \r\nno-appendfsync-on-rewrite no   \r\n# \u5f53\u524dAOF\u6587\u4ef6\u5927\u5c0f\u662f\u4e0a\u6b21\u65e5\u5fd7\u91cd\u5199\u65f6\u7684AOF\u6587\u4ef6\u5927\u5c0f\u4e24\u500d\u65f6\uff0c\u53d1\u751fBGREWRITEAOF\u64cd\u4f5c\u3002  \r\nauto-aof-rewrite-percentage 100  \r\n#\u5f53\u524dAOF\u6587\u4ef6\u6267\u884cBGREWRITEAOF\u547d\u4ee4\u7684\u6700\u5c0f\u503c\uff0c\u907f\u514d\u521a\u5f00\u59cb\u542f\u52a8Reids\u65f6\u7531\u4e8e\u6587\u4ef6\u5c3a\u5bf8\u8f83\u5c0f\u5bfc\u81f4\u9891\u7e41\u7684BGREWRITEAOF\u3002  \r\nauto-aof-rewrite-min-size 64mb  \r\n# Redis\u518d\u6062\u590d\u65f6\uff0c\u5ffd\u7565\u6700\u540e\u4e00\u6761\u53ef\u80fd\u5b58\u5728\u95ee\u9898\u7684\u6307\u4ee4(\u56e0\u4e3a\u6700\u540e\u4e00\u6761\u6307\u4ee4\u53ef\u80fd\u5b58\u5728\u95ee\u9898\uff0c\u6bd4\u5982\u5199\u4e00\u534a\u65f6\u7a81\u7136\u65ad\u7535\u4e86)\r\naof-load-truncated yes\r\n#Redis4.0\u65b0\u589eRDB-AOF\u6df7\u5408\u6301\u4e45\u5316\u683c\u5f0f\uff0c\u5728\u5f00\u542f\u4e86\u8fd9\u4e2a\u529f\u80fd\u4e4b\u540e\uff0cAOF\u91cd\u5199\u4ea7\u751f\u7684\u6587\u4ef6\u5c06\u540c\u65f6\u5305\u542bRDB\u683c\u5f0f\u7684\u5185\u5bb9\u548cAOF\u683c\u5f0f\u7684\u5185\u5bb9\uff0c\u5176\u4e2dRDB\u683c\u5f0f\u7684\u5185\u5bb9\u7528\u4e8e\u8bb0\u5f55\u5df2\u6709\u7684\u6570\u636e\uff0c\u800cAOF\u683c\u5f0f\u7684\u5185\u5b58\u5219\u7528\u4e8e\u8bb0\u5f55\u6700\u8fd1\u53d1\u751f\u4e86\u53d8\u5316\u7684\u6570\u636e\uff0c\u8fd9\u6837Redis\u5c31\u53ef\u4ee5\u540c\u65f6\u517c\u6709RDB\u6301\u4e45\u5316\u548cAOF\u6301\u4e45\u5316\u7684\u4f18\u70b9\uff08\u65e2\u80fd\u591f\u5feb\u901f\u5730\u751f\u6210\u91cd\u5199\u6587\u4ef6\uff0c\u4e5f\u80fd\u591f\u5728\u51fa\u73b0\u95ee\u9898\u65f6\uff0c\u5feb\u901f\u5730\u8f7d\u5165\u6570\u636e\uff09\u3002\r\naof-use-rdb-preamble no<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 redis.conf \u4e2d\u914d\u7f6e\u4e24\u79cd\u6301\u4e45\u5316\u6a21\u5f0f 1\u3001RDB RDB \u6587\u4ef6\u975e\u5e38\u7d27\u51d1\uff0c\u5b83\u4fdd\u5b58\u4e86 Redis \u67d0\u4e2a\u65f6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[37],"class_list":["post-568","post","type-post","status-publish","format-standard","hentry","category-7","tag-redis"],"_links":{"self":[{"href":"https:\/\/www.djlog.cn\/index.php?rest_route=\/wp\/v2\/posts\/568","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.djlog.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.djlog.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.djlog.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.djlog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=568"}],"version-history":[{"count":0,"href":"https:\/\/www.djlog.cn\/index.php?rest_route=\/wp\/v2\/posts\/568\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.djlog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=568"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.djlog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=568"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.djlog.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}