{"id":144582,"date":"2020-08-10T01:05:18","date_gmt":"2020-08-09T17:05:18","guid":{"rendered":"http:\/\/4563.org\/?p=144582"},"modified":"2020-08-10T01:05:18","modified_gmt":"2020-08-09T17:05:18","slug":"redis%e7%9a%84%e6%8c%81%e4%b9%85%e5%8c%96%e6%96%b9%e6%a1%88%e6%89%a9%e5%b1%95%e8%ae%b2%e8%a7%a3","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=144582","title":{"rendered":"redis\u7684\u6301\u4e45\u5316\u65b9\u6848\u6269\u5c55\u8bb2\u89e3"},"content":{"rendered":"<p>redis\u662f\u4e00\u4e2a\u5185\u5b58\u6570\u636e\u5e93\uff0c\u6240\u6709\u6570\u636e\u90fd\u5b58\u50a8\u5728\u5185\u5b58\u5f53\u4e2d\uff0c\u800c\u5185\u5b58\u4e2d\u7684\u6570\u636e\u6781\u6613\u4e22\u5931\uff0c\u6240\u4ee5redis\u7684\u6570\u636e\u6301\u4e45\u5316\u5c31\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\uff0c\u5728redis\u5f53\u4e2d\uff0c\u63d0\u4f9b\u4e86\u4e24\u79cd\u6570\u636e\u6301\u4e45\u5316\u7684\u65b9\u5f0f\uff0c\u5206\u522b\u4e3aRDB\u4ee5\u53caAOF\uff0c\u4e14redis\u9ed8\u8ba4\u5f00\u542f\u7684\u6570\u636e\u6301\u4e45\u5316\u65b9\u5f0f\u4e3aRDB\u65b9\u5f0f\u3002<\/p>\n<h2><a href=\"https:\/\/www.studytime.xin\/article\/#RDB\u6301\u4e45\u5316\u65b9\u6848\u4ecb\u7ecd\u4e4bRDB\u65b9\u6848\u4ecb\u7ecd\" title=\"RDB\u6301\u4e45\u5316\u65b9\u6848\u4ecb\u7ecd\u4e4bRDB\u65b9\u6848\u4ecb\u7ecd\"><\/a>RDB\u6301\u4e45\u5316\u65b9\u6848\u4ecb\u7ecd\u4e4bRDB\u65b9\u6848\u4ecb\u7ecd<\/h2>\n<p>Redis\u4f1a\u5b9a\u671f\u4fdd\u5b58\u6570\u636e\u5feb\u7167\u81f3\u4e00\u4e2arbd\u6587\u4ef6\u4e2d\uff0c\u5e76\u5728\u542f\u52a8\u65f6\u81ea\u52a8\u52a0\u8f7drdb\u6587\u4ef6\uff0c\u6062\u590d\u4e4b\u524d\u4fdd\u5b58\u7684\u6570\u636e\u3002\u53ef\u4ee5\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6eRedis\u8fdb\u884c\u5feb\u7167\u4fdd\u5b58\u7684\u65f6\u673a\u3002<\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#RDS-\u914d\u7f6e\u547d\u4ee4-save-seconds-changes\" title=\"RDS \u914d\u7f6e\u547d\u4ee4 save [seconds] [changes]\"><\/a>RDS \u914d\u7f6e\u547d\u4ee4 save [seconds] [changes]<\/h3>\n<p>\u5728[seconds]\u79d2\u5185\u5982\u679c\u53d1\u751f\u4e86[changes]\u6b21\u6570\u636e\u4fee\u6539\uff0c\u5219\u8fdb\u884c\u4e00\u6b21RDB\u5feb\u7167\u4fdd\u5b58\u3002<\/p>\n<p><code>save 60 100<\/code>\uff0cRedis\u6bcf60\u79d2\u68c0\u67e5\u4e00\u6b21\u6570\u636e\u53d8\u66f4\u60c5\u51b5\uff0c\u5982\u679c\u53d1\u751f\u4e86100\u6b21\u6216\u4ee5\u4e0a\u7684\u6570\u636e\u53d8\u66f4\uff0c\u5219\u8fdb\u884cRDB\u5feb\u7167\u4fdd\u5b58\u3002<br \/>\u53ef\u4ee5\u914d\u7f6e\u591a\u6761save\u6307\u4ee4\uff0c\u8ba9Redis\u6267\u884c\u591a\u7ea7\u7684\u5feb\u7167\u4fdd\u5b58\u7b56\u7565\u3002Redis\u9ed8\u8ba4\u5f00\u542fRDB\u5feb\u7167\u3002\u4e5f\u53ef\u4ee5\u901a\u8fc7SAVE\u6216\u8005BGSAVE\u547d\u4ee4\u624b\u52a8\u89e6\u53d1RDB\u5feb\u7167\u4fdd\u5b58\u3002<\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u624b\u52a8\u89e6\u53d1RDB\" title=\"\u624b\u52a8\u89e6\u53d1RDB\"><\/a>\u624b\u52a8\u89e6\u53d1RDB<\/h3>\n<p>SAVE \u548c BGSAVE \u4e24\u4e2a\u547d\u4ee4\u90fd\u4f1a\u8c03\u7528 rdbSave \u51fd\u6570\uff0c\u4f46\u5b83\u4eec\u8c03\u7528\u7684\u65b9\u5f0f\u5404\u6709\u4e0d\u540c\uff1a<br \/>1.SAVE \u76f4\u63a5\u8c03\u7528 rdbSave \uff0c\u963b\u585e Redis \u4e3b\u8fdb\u7a0b\uff0c\u76f4\u5230\u4fdd\u5b58\u5b8c\u6210\u4e3a\u6b62\u3002\u5728\u4e3b\u8fdb\u7a0b\u963b\u585e\u671f\u95f4\uff0c\u670d\u52a1\u5668\u4e0d\u80fd\u5904\u7406\u5ba2\u6237\u7aef\u7684\u4efb\u4f55\u8bf7\u6c42\u3002<br \/>2.BGSAVE \u5219 fork \u51fa\u4e00\u4e2a\u5b50\u8fdb\u7a0b\uff0c\u5b50\u8fdb\u7a0b\u8d1f\u8d23\u8c03\u7528 rdbSave \uff0c\u5e76\u5728\u4fdd\u5b58\u5b8c\u6210\u4e4b\u540e\u5411\u4e3b\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7\uff0c\u901a\u77e5\u4fdd\u5b58\u5df2\u5b8c\u6210\u3002 Redis \u670d\u52a1\u5668\u5728BGSAVE \u6267\u884c\u671f\u95f4\u4ecd\u7136\u53ef\u4ee5\u7ee7\u7eed\u5904\u7406\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u3002<\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#RDB\u65b9\u6848\u4f18\u70b9\" title=\"RDB\u65b9\u6848\u4f18\u70b9\"><\/a>RDB\u65b9\u6848\u4f18\u70b9<\/h3>\n<p>1.\u5bf9\u6027\u80fd\u5f71\u54cd\u6700\u5c0f\u3002\u5982\u524d\u6587\u6240\u8ff0\uff0cRedis\u5728\u4fdd\u5b58RDB\u5feb\u7167\u65f6\u4f1afork\u51fa\u5b50\u8fdb\u7a0b\u8fdb\u884c\uff0c\u51e0\u4e4e\u4e0d\u5f71\u54cdRedis\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42\u7684\u6548\u7387\u3002<br \/>2.\u6bcf\u6b21\u5feb\u7167\u4f1a\u751f\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u6570\u636e\u5feb\u7167\u6587\u4ef6\uff0c\u6240\u4ee5\u53ef\u4ee5\u8f85\u4ee5\u5176\u4ed6\u624b\u6bb5\u4fdd\u5b58\u591a\u4e2a\u65f6\u95f4\u70b9\u7684\u5feb\u7167\uff08\u4f8b\u5982\u628a\u6bcf\u59290\u70b9\u7684\u5feb\u7167\u5907\u4efd\u81f3\u5176\u4ed6\u5b58\u50a8\u5a92\u4ecb\u4e2d\uff09\uff0c\u4f5c\u4e3a\u975e\u5e38\u53ef\u9760\u7684\u707e\u96be\u6062\u590d\u624b\u6bb5\u3002<br \/>3.\u4f7f\u7528RDB\u6587\u4ef6\u8fdb\u884c\u6570\u636e\u6062\u590d\u6bd4\u4f7f\u7528AOF\u8981\u5feb\u5f88\u591a<\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#RDB\u65b9\u6848\u7f3a\u70b9\" title=\"RDB\u65b9\u6848\u7f3a\u70b9\"><\/a>RDB\u65b9\u6848\u7f3a\u70b9<\/h3>\n<p>1.\u5feb\u7167\u662f\u5b9a\u671f\u751f\u6210\u7684\uff0c\u6240\u4ee5\u5728Redis crash\u65f6\u6216\u591a\u6216\u5c11\u4f1a\u4e22\u5931\u4e00\u90e8\u5206\u6570\u636e\u3002<br \/>2.\u5982\u679c\u6570\u636e\u96c6\u975e\u5e38\u5927\u4e14CPU\u4e0d\u591f\u5f3a\uff08\u6bd4\u5982\u5355\u6838CPU\uff09\uff0cRedis\u5728fork\u5b50\u8fdb\u7a0b\u65f6\u53ef\u80fd\u4f1a\u6d88\u8017\u76f8\u5bf9\u8f83\u957f\u7684\u65f6\u95f4\uff0c\u5f71\u54cdRedis\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\u7684\u80fd\u529b\u3002<\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#RDB\u65b9\u6848\u914d\u7f6e\" title=\"RDB\u65b9\u6848\u914d\u7f6e\"><\/a>RDB\u65b9\u6848\u914d\u7f6e<\/h3>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><span>5<\/span><br><span>6<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>vim &#x2F;usr&#x2F;local&#x2F;redis&#x2F;etc&#x2F;redis.conf<\/span><br><span><\/span><br><span>save 900 1<\/span><br><span>save 300 10<\/span><br><span>save 60 10000<\/span><br><span>save 5 1<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n<p>\u91cd\u65b0\u542f\u52a8redis\u670d\u52a1\uff0c\u6bcf\u6b21\u751f\u6210\u65b0\u7684dump.rdb\u90fd\u4f1a\u8986\u76d6\u6389\u4e4b\u524d\u7684\u8001\u7684\u5feb\u7167\u3002<\/p>\n<h2><a href=\"https:\/\/www.studytime.xin\/article\/#AOF\u6301\u4e45\u5316\u65b9\u6848\u4ecb\u7ecd\u4e4bAOF\u65b9\u6848\u4ecb\u7ecd\" title=\"AOF\u6301\u4e45\u5316\u65b9\u6848\u4ecb\u7ecd\u4e4bAOF\u65b9\u6848\u4ecb\u7ecd\"><\/a>AOF\u6301\u4e45\u5316\u65b9\u6848\u4ecb\u7ecd\u4e4bAOF\u65b9\u6848\u4ecb\u7ecd<\/h2>\n<p>\u91c7\u7528AOF\u6301\u4e45\u65b9\u5f0f\u65f6\uff0cRedis\u4f1a\u628a\u6bcf\u4e00\u4e2a\u5199\u8bf7\u6c42\u90fd\u8bb0\u5f55\u5728\u4e00\u4e2a\u65e5\u5fd7\u6587\u4ef6\u91cc\u3002\u5728Redis\u91cd\u542f\u65f6\uff0c\u4f1a\u628aAOF\u6587\u4ef6\u4e2d\u8bb0\u5f55\u7684\u6240\u6709\u5199\u64cd\u4f5c\u987a\u5e8f\u6267\u884c\u4e00\u904d\uff0c\u786e\u4fdd\u6570\u636e\u6062\u590d\u5230\u6700\u65b0\u3002AOF\u9ed8\u8ba4\u662f\u5173\u95ed\u7684\uff0c\u5982\u8981\u5f00\u542f\uff0c\u8fdb\u884c<code>appendonly yes<\/code>\u914d\u7f6e\u5f00\u542f\u3002<\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#AOF\u63d0\u4e09\u79cdfsync\u914d\u7f6e\" title=\"AOF\u63d0\u4e09\u79cdfsync\u914d\u7f6e\"><\/a>AOF\u63d0\u4e09\u79cdfsync\u914d\u7f6e<\/h3>\n<p>AOF\u63d0\u4f9b\u4e86\u4e09\u79cdfsync\u914d\u7f6e\uff0calways\u3001everysec\u3001no\uff0c\u901a\u8fc7\u914d\u7f6e\u9879[appendfsync]\u6307\u5b9a\u3002<br \/>1.appendfsync no\uff1a\u4e0d\u8fdb\u884cfsync\uff0c\u5c06flush\u6587\u4ef6\u7684\u65f6\u673a\u4ea4\u7ed9OS\uff08\u64cd\u4f5c\u7cfb\u7edf\uff09\u51b3\u5b9a\uff0c\u901f\u5ea6\u6700\u5feb<br \/>2.appendfsync always\uff1a\u6bcf\u5199\u5165\u4e00\u6761\u65e5\u5fd7\u5c31\u8fdb\u884c\u4e00\u6b21fsync\u64cd\u4f5c\uff0c\u6570\u636e\u5b89\u5168\u6027\u6700\u9ad8\uff0c\u4f46\u901f\u5ea6\u6700\u6162<br \/>3.appendfsync everysec\uff1a\u6298\u4e2d\u7684\u505a\u6cd5\uff0c\u4ea4\u7531\u540e\u53f0\u7ebf\u7a0b\u6bcf\u79d2fsync\u4e00\u6b21<\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#AOF-rewrite\" title=\"AOF rewrite\"><\/a>AOF rewrite<\/h3>\n<p>\u968f\u7740AOF\u4e0d\u65ad\u5730\u8bb0\u5f55\u5199\u64cd\u4f5c\u65e5\u5fd7\uff0c\u56e0\u4e3a\u6240\u6709\u7684\u64cd\u4f5c\u90fd\u4f1a\u8bb0\u5f55\uff0c\u6240\u4ee5\u5fc5\u5b9a\u4f1a\u51fa\u73b0\u4e00\u4e9b\u65e0\u7528\u7684\u65e5\u5fd7\u3002\u5927\u91cf\u65e0\u7528\u7684\u65e5\u5fd7\u4f1a\u8ba9AOF\u6587\u4ef6\u8fc7\u5927\uff0c\u4e5f\u4f1a\u8ba9\u6570\u636e\u6062\u590d\u7684\u65f6\u95f4\u8fc7\u957f\u3002\u4e0d\u8fc7Redis\u63d0\u4f9b\u4e86AOF rewrite\u529f\u80fd\uff0c\u53ef\u4ee5\u91cd\u5199AOF\u6587\u4ef6\uff0c\u53ea\u4fdd\u7559\u80fd\u591f\u628a\u6570\u636e\u6062\u590d\u5230\u6700\u65b0\u72b6\u6001\u7684\u6700\u5c0f\u5199\u64cd\u4f5c\u96c6\u3002<br \/>AOF rewrite\u53ef\u4ee5\u901a\u8fc7BGREWRITEAOF\u547d\u4ee4\u89e6\u53d1\uff0c\u4e5f\u53ef\u4ee5\u914d\u7f6eRedis\u5b9a\u671f\u81ea\u52a8\u8fdb\u884c\uff1a<br \/><code>auto-aof-rewrite-percentage 100auto-aof-rewrite-min-size 64mb<\/code><br \/>\u4e0a\u9762\u4e24\u884c\u914d\u7f6e\u7684\u542b\u4e49\u662f\uff0cRedis\u5728\u6bcf\u6b21AOF rewrite\u65f6\uff0c\u4f1a\u8bb0\u5f55\u5b8c\u6210rewrite\u540e\u7684AOF\u65e5\u5fd7\u5927\u5c0f\uff0c\u5f53AOF\u65e5\u5fd7\u5927\u5c0f\u5728\u8be5\u57fa\u7840\u4e0a\u589e\u957f\u4e86100%\u540e\uff0c\u81ea\u52a8\u8fdb\u884cAOF rewrite\u3002\u540c\u65f6\u5982\u679c\u589e\u957f\u7684\u5927\u5c0f\u6ca1\u6709\u8fbe\u523064mb\uff0c\u5219\u4e0d\u4f1a\u8fdb\u884crewrite\u3002<\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#AOF\u4f18\u70b9\" title=\"AOF\u4f18\u70b9\"><\/a>AOF\u4f18\u70b9<\/h3>\n<ol>\n<li>\u6700\u5b89\u5168\uff0c\u5728\u542f\u7528appendfsync always\u65f6\uff0c\u4efb\u4f55\u5df2\u5199\u5165\u7684\u6570\u636e\u90fd\u4e0d\u4f1a\u4e22\u5931\uff0c\u4f7f\u7528\u5728\u542f\u7528appendfsync everysec\u4e5f\u81f3\u591a\u53ea\u4f1a\u4e22\u59311\u79d2\u7684\u6570\u636e<\/li>\n<li>AOF\u6587\u4ef6\u5728\u53d1\u751f\u65ad\u7535\u7b49\u95ee\u9898\u65f6\u4e5f\u4e0d\u4f1a\u635f\u574f\uff0c\u5373\u4f7f\u51fa\u73b0\u4e86\u67d0\u6761\u65e5\u5fd7\u53ea\u5199\u5165\u4e86\u4e00\u534a\u7684\u60c5\u51b5\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528redis-check-aof\u5de5\u5177\u8f7b\u677e\u4fee\u590d\u3002<\/li>\n<li>AOF\u6587\u4ef6\u6613\u8bfb\uff0c\u53ef\u4fee\u6539\uff0c\u5728\u8fdb\u884c\u4e86\u67d0\u4e9b\u9519\u8bef\u7684\u6570\u636e\u6e05\u9664\u64cd\u4f5c\u540e\uff0c\u53ea\u8981AOF\u6587\u4ef6\u6ca1\u6709rewrite\uff0c\u5c31\u53ef\u4ee5\u628aAOF\u6587\u4ef6\u5907\u4efd\u51fa\u6765\uff0c\u628a\u9519\u8bef\u7684\u547d\u4ee4\u5220\u9664\uff0c\u7136\u540e\u6062\u590d\u6570\u636e\u3002<\/li>\n<\/ol>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#AOF\u7684\u7f3a\u70b9\uff1a\" title=\"AOF\u7684\u7f3a\u70b9\uff1a\"><\/a>AOF\u7684\u7f3a\u70b9\uff1a<\/h3>\n<ol>\n<li>AOF\u6587\u4ef6\u901a\u5e38\u6bd4RDB\u6587\u4ef6\u66f4\u5927<\/li>\n<li>\u6027\u80fd\u6d88\u8017\u6bd4RDB\u9ad8<\/li>\n<li>\u6570\u636e\u6062\u590d\u901f\u5ea6\u6bd4RDB\u6162<\/li>\n<\/ol>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u6301\u4e45\u5316\u65b9\u6848\u9009\u62e9\" title=\"\u6301\u4e45\u5316\u65b9\u6848\u9009\u62e9\"><\/a>\u6301\u4e45\u5316\u65b9\u6848\u9009\u62e9<\/h3>\n<p>Redis\u7684\u6570\u636e\u6301\u4e45\u5316\u5de5\u4f5c\u672c\u8eab\u5c31\u4f1a\u5e26\u6765\u5ef6\u8fdf\uff0c\u9700\u8981\u6839\u636e\u6570\u636e\u7684\u5b89\u5168\u7ea7\u522b\u548c\u6027\u80fd\u8981\u6c42\u5236\u5b9a\u5408\u7406\u7684\u6301\u4e45\u5316\u7b56\u7565\u3002<\/p>\n<h4><a href=\"https:\/\/www.studytime.xin\/article\/#AOF-fsync-always\" title=\"AOF + fsync always\"><\/a>AOF + fsync always<\/h4>\n<p>\u6b64\u65b9\u6848\u8bbe\u7f6e\u867d\u7136\u80fd\u591f\u7edd\u5bf9\u786e\u4fdd\u6570\u636e\u5b89\u5168\uff0c\u4f46\u6bcf\u4e2a\u64cd\u4f5c\u90fd\u4f1a\u89e6\u53d1\u4e00\u6b21fsync\uff0c\u4f1a\u5bf9Redis\u7684\u6027\u80fd\u6709\u6bd4\u8f83\u660e\u663e\u7684\u5f71\u54cd<\/p>\n<h4><a href=\"https:\/\/www.studytime.xin\/article\/#AOF-fsync-every-second\" title=\"AOF + fsync every second\"><\/a>AOF + fsync every second<\/h4>\n<p>\u76f8\u5bf9\u6bd4\u8f83\u597d\u7684\u6298\u4e2d\u65b9\u6848\uff0c\u6bcf\u79d2fsync\u4e00\u6b21<\/p>\n<h4><a href=\"https:\/\/www.studytime.xin\/article\/#AOF-fsync-never\" title=\"AOF + fsync never\"><\/a>AOF + fsync never<\/h4>\n<p>\u6b64\u65b9\u6848\u4f1a\u63d0\u4f9bAOF\u6301\u4e45\u5316\u65b9\u6848\u4e0b\u7684\u6700\u4f18\u6027\u80fd<\/p>\n<h4><a href=\"https:\/\/www.studytime.xin\/article\/#RDB\u6301\u4e45\u5316\u65b9\u6848\" title=\"RDB\u6301\u4e45\u5316\u65b9\u6848\"><\/a>RDB\u6301\u4e45\u5316\u65b9\u6848<\/h4>\n<p>\u4f7f\u7528RDB\u6301\u4e45\u5316\u901a\u5e38\u4f1a\u63d0\u4f9b\u6bd4\u4f7f\u7528AOF\u66f4\u9ad8\u7684\u6027\u80fd\uff0c\u4f46\u9700\u8981\u6ce8\u610fRDB\u7684\u7b56\u7565\u914d\u7f6e\u3002<\/p>\n<p>\u6bcf\u4e00\u6b21RDB\u5feb\u7167\u548cAOF Rewrite\u90fd\u9700\u8981Redis\u4e3b\u8fdb\u7a0b\u8fdb\u884cfork\u64cd\u4f5c\u3002fork\u64cd\u4f5c\u672c\u8eab\u53ef\u80fd\u4f1a\u4ea7\u751f\u8f83\u9ad8\u7684\u8017\u65f6\uff0c\u4e0eCPU\u548cRedis\u5360\u7528\u7684\u5185\u5b58\u5927\u5c0f\u6709\u5173\u3002\u6839\u636e\u5177\u4f53\u7684\u60c5\u51b5\u5408\u7406\u914d\u7f6eRDB\u5feb\u7167\u548cAOF Rewrite\u65f6\u673a\uff0c\u907f\u514d\u8fc7\u4e8e\u9891\u7e41\u7684fork\u5e26\u6765\u7684\u5ef6\u8fdf\u3002<\/p>\n<p>Redis\u5728fork\u5b50\u8fdb\u7a0b\u65f6\u9700\u8981\u5c06\u5185\u5b58\u5206\u9875\u8868\u62f7\u8d1d\u81f3\u5b50\u8fdb\u7a0b\uff0c\u4ee5\u5360\u7528\u4e8624GB\u5185\u5b58\u7684Redis\u5b9e\u4f8b\u4e3a\u4f8b\uff0c\u5171\u9700\u8981\u62f7\u8d1d24GB \/ 4kB * 8 = 48MB\u7684\u6570\u636e\u3002\u5728\u4f7f\u7528\u5355Xeon 2.27Ghz\u7684\u7269\u7406\u673a\u4e0a\uff0c\u8fd9\u4e00fork\u64cd\u4f5c\u8017\u65f6216ms\u3002<\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#AOF\u65b9\u6848\u914d\u7f6e\" title=\"AOF\u65b9\u6848\u914d\u7f6e\"><\/a>AOF\u65b9\u6848\u914d\u7f6e<\/h3>\n<p>\u5728redis\u4e2d\uff0caof\u7684\u6301\u4e45\u5316\u673a\u5236\u9ed8\u8ba4\u662f\u5173\u95ed\u7684\u3002AOF\u6301\u4e45\u5316\uff0c\u9ed8\u8ba4\u662f\u5173\u95ed\u7684\uff0c\u9ed8\u8ba4\u662f\u6253\u5f00RDB\u6301\u4e45\u5316\u3002<\/p>\n<h4><a href=\"https:\/\/www.studytime.xin\/article\/#\u5f00\u542f\u547d\u4ee4-appendonly-yes\" title=\"\u5f00\u542f\u547d\u4ee4 appendonly yes\"><\/a>\u5f00\u542f\u547d\u4ee4 appendonly yes<\/h4>\n<p>\u53ef\u4ee5\u6253\u5f00AOF\u6301\u4e45\u5316\u673a\u5236\uff0c\u5728\u751f\u4ea7\u73af\u5883\u91cc\u9762\uff0c\u4e00\u822c\u6765\u8bf4AOF\u90fd\u662f\u8981\u6253\u5f00\u7684\uff0c\u9664\u975e\u4f60\u8bf4\u968f\u4fbf\u4e22\u4e2a\u51e0\u5206\u949f\u7684\u6570\u636e\u4e5f\u65e0\u6240\u8c13\u3002<br \/>\u6253\u5f00AOF\u6301\u4e45\u5316\u673a\u5236\u4e4b\u540e\uff0credis\u6bcf\u6b21\u63a5\u6536\u5230\u4e00\u6761\u5199\u547d\u4ee4\uff0c\u5c31\u4f1a\u5199\u5165\u65e5\u5fd7\u6587\u4ef6\u4e2d\uff0c\u5f53\u7136\u662f\u5148\u5199\u5165os cache\u7684\uff0c\u7136\u540e\u6bcf\u9694\u4e00\u5b9a\u65f6\u95f4\u518dfsync\u4e00\u4e0b\u3002<br \/>\u800c\u4e14\u5373\u4f7fAOF\u548cRDB\u90fd\u5f00\u542f\u4e86\uff0credis\u91cd\u542f\u7684\u65f6\u5019\uff0c\u4e5f\u662f\u4f18\u5148\u901a\u8fc7AOF\u8fdb\u884c\u6570\u636e\u6062\u590d\u7684\uff0c\u56e0\u4e3aaof\u6570\u636e\u6bd4\u8f83\u5b8c\u6574\u3002<br \/>\u53ef\u4ee5\u914d\u7f6eAOF\u7684fsync\u7b56\u7565\uff0c\u6709\u4e09\u79cd\u7b56\u7565\u53ef\u4ee5\u9009\u62e9\uff0c\u4e00\u79cd\u662f\u6bcf\u6b21\u5199\u5165\u4e00\u6761\u6570\u636e\u5c31\u6267\u884c\u4e00\u6b21fsync; \u4e00\u79cd\u662f\u6bcf\u9694\u4e00\u79d2\u6267\u884c\u4e00\u6b21fsync; \u4e00\u79cd\u662f\u4e0d\u4e3b\u52a8\u6267\u884cfsync<br \/>always: \u6bcf\u6b21\u5199\u5165\u4e00\u6761\u6570\u636e\uff0c\u7acb\u5373\u5c06\u8fd9\u4e2a\u6570\u636e\u5bf9\u5e94\u7684\u5199\u65e5\u5fd7fsync\u5230\u78c1\u76d8\u4e0a\u53bb\uff0c\u6027\u80fd\u975e\u5e38\u975e\u5e38\u5dee\uff0c\u541e\u5410\u91cf\u5f88\u4f4e; \u786e\u4fdd\u8bf4redis\u91cc\u7684\u6570\u636e\u4e00\u6761\u90fd\u4e0d\u4e22\uff0c\u90a3\u5c31\u53ea\u80fd\u8fd9\u6837\u4e86<br \/>\u5728redis\u5f53\u4e2d\u9ed8\u8ba4\u7684AOF\u6301\u4e45\u5316\u673a\u5236\u90fd\u662f\u5173\u95ed\u7684<\/p>\n<h3><a href=\"https:\/\/www.studytime.xin\/article\/#\u914d\u7f6eredis\u7684AOF\u6301\u4e45\u5316\u673a\u5236\u65b9\u5f0f\" title=\"\u914d\u7f6eredis\u7684AOF\u6301\u4e45\u5316\u673a\u5236\u65b9\u5f0f\"><\/a>\u914d\u7f6eredis\u7684AOF\u6301\u4e45\u5316\u673a\u5236\u65b9\u5f0f<\/h3>\n<p>cd \/kkb\/install\/redis-3.2.8<\/p>\n<figure>\n<table>\n<tr>\n<td>\n<pre><span>1<\/span><br><span>2<\/span><br><span>3<\/span><br><span>4<\/span><br><span>5<\/span><br><\/pre>\n<\/td>\n<td>\n<pre><span>vim &#x2F;usr&#x2F;local&#x2F;redis&#x2F;etc&#x2F;redis.conf<\/span><br><span>appendonly yes<\/span><br><span># appendfsync always<\/span><br><span>appendfsync everysec<\/span><br><span># appendfsync no<\/span><br><\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n","protected":false},"excerpt":{"rendered":"<p>redis\u662f\u4e00\u4e2a\u5185\u5b58\u6570\u636e\u5e93\uff0c\u6240\u6709\u6570&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/144582"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=144582"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/144582\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=144582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=144582"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=144582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}