{"id":10009,"date":"2024-04-08T21:21:59","date_gmt":"2024-04-08T13:21:59","guid":{"rendered":"https:\/\/egonlin.com\/?p=10009"},"modified":"2024-06-30T22:35:39","modified_gmt":"2024-06-30T14:35:39","slug":"rbd%e4%b8%8eaof%e6%95%b0%e6%8d%ae%e6%8c%81%e4%b9%85%e5%8c%96","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=10009","title":{"rendered":"RBD\u4e0eAOF\u6570\u636e\u6301\u4e45\u5316"},"content":{"rendered":"<h1>\u4e00\u3001\u4ec0\u4e48\u662fRedis\u6301\u4e45\u5316<\/h1>\n<p>Redis\u4f5c\u4e3a\u4e00\u4e2a\u952e\u503c\u5bf9\u5185\u5b58\u6570\u636e\u5e93(NoSQL)\uff0c\u6570\u636e\u90fd\u5b58\u50a8\u5728\u5185\u5b58\u5f53\u4e2d\uff0c\u5728\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42\u65f6\uff0c\u6240\u6709\u64cd\u4f5c\u90fd\u5728\u5185\u5b58\u5f53\u4e2d\u8fdb\u884c\uff0c\u5982\u4e0b\u6240\u793a\uff1a<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712582683943.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712582683943.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><br \/>\n\u8fd9\u6837\u505a\u6709\u4ec0\u4e48\u95ee\u9898\u5462\uff1f<\/p>\n<p>\u5176\u5b9e\uff0c\u53ea\u8981\u7a0d\u5fae\u6709\u70b9\u8ba1\u7b97\u673a\u57fa\u7840\u77e5\u8bc6\u7684\u4eba\u90fd\u77e5\u9053\uff0c\u5b58\u50a8\u5728\u5185\u5b58\u5f53\u4e2d\u7684\u6570\u636e\uff0c\u53ea\u8981\u670d\u52a1\u5668\u5173\u673a(\u5404\u79cd\u539f\u56e0\u5f15\u8d77\u7684)\uff0c\u5185\u5b58\u4e2d\u7684\u6570\u636e\u5c31\u4f1a\u6d88\u5931\u4e86<\/p>\n<p>\u4e0d\u4ec5\u670d\u52a1\u5668\u5173\u673a\u4f1a\u9020\u6210\u6570\u636e\u6d88\u5931\uff0cRedis\u670d\u52a1\u5668\u5b88\u62a4\u8fdb\u7a0b\u9000\u51fa\uff0c\u5185\u5b58\u4e2d\u7684\u6570\u636e\u4e5f\u4e00\u6837\u4f1a\u6d88\u5931\u3002<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712582759633.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712582759633.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><br \/>\n\u5bf9\u4e8e\u53ea\u628aRedis\u5f53\u7f13\u5b58\u6765\u7528\u7684\u9879\u76ee\u6765\u8bf4\uff0c\u6570\u636e\u6d88\u5931\u6216\u8bb8\u95ee\u9898\u4e0d\u5927\uff0c\u91cd\u65b0\u4ece\u6570\u636e\u6e90\u628a\u6570\u636e\u52a0\u8f7d\u8fdb\u6765\u5c31\u53ef\u4ee5\u4e86<br \/>\n\u4f46\u5982\u679c\u76f4\u63a5\u628a\u7528\u6237\u63d0\u4ea4\u7684\u4e1a\u52a1\u6570\u636e\u5b58\u50a8\u5728Redis\u5f53\u4e2d\uff0c\u628aRedis\u4f5c\u4e3a\u6570\u636e\u5e93\u6765\u4f7f\u7528\uff0c\u5728\u5176\u653e\u5b58\u50a8\u91cd\u8981\u4e1a\u52a1\u6570\u636e\uff0c\u90a3\u4e48Redis\u7684\u5185\u5b58\u6570\u636e\u4e22\u5931\u6240\u9020\u6210\u7684\u5f71\u54cd\u4e5f\u8bb8\u662f\u6bc1\u706d\u6027\u3002<\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u5185\u5b58\u4e2d\u6570\u636e\u4e22\u5931\uff0cRedis\u63d0\u4f9b\u4e86\u5bf9\u6301\u4e45\u5316\u7684\u652f\u6301\uff0c\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u4e0d\u540c\u7684\u65b9\u5f0f\u5c06\u6570\u636e\u4ece\u5185\u5b58\u4e2d\u4fdd\u5b58\u5230\u786c\u76d8\u5f53\u4e2d\uff0c\u4f7f\u6570\u636e\u53ef\u4ee5\u6301\u4e45\u5316\u4fdd\u5b58\u3002<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712582778715.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712582778715.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><br \/>\nRedis\u63d0\u4f9b\u4e86RDB\u548cAOF\u4e24\u79cd\u4e0d\u540c\u7684\u6570\u636e\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u6765\u8be6\u7ec6\u4ecb\u7ecd\u4e00\u4e0b\u8fd9\u79cd\u4e0d\u540c\u7684\u6301\u4e45\u5316\u65b9\u5f0f\u5427\u3002<\/p>\n<h1>\u4e8c\u3001RDB<\/h1>\n<h2>2.1 RBD\u6a21\u5f0f\u4ecb\u7ecd<\/h2>\n<p>RDB\u662f\u4e00\u79cd\u5feb\u7167\u5b58\u50a8\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u5177\u4f53\u5c31\u662f\u5c06Redis\u67d0\u4e00\u65f6\u523b\u7684\u5185\u5b58\u6570\u636e\u4fdd\u5b58\u5230\u786c\u76d8\u7684\u6587\u4ef6\u5f53\u4e2d\uff0c\u9ed8\u8ba4\u4fdd\u5b58\u7684\u6587\u4ef6\u540d\u4e3adump.rdb\uff0c\u800c\u5728Redis\u670d\u52a1\u5668\u542f\u52a8\u65f6\uff0c\u4f1a\u91cd\u65b0\u52a0\u8f7ddump.rdb\u6587\u4ef6\u7684\u6570\u636e\u5230\u5185\u5b58\u5f53\u4e2d\u6062\u590d\u6570\u636e\u3002<\/p>\n<hr \/>\n<h2>2.2 \u5f00\u542fRDB\u6301\u4e45\u5316\u76843\u79cd\u65b9\u5f0f<\/h2>\n<p>\u5f00\u542fRDB\u6301\u4e45\u5316\u65b9\u5f0f\u5f88\u7b80\u5355\uff0c\u5ba2\u6237\u7aef\u53ef\u4ee5\u901a\u8fc7\u5411Redis\u670d\u52a1\u5668\u53d1\u9001save\u6216bgsave\u547d\u4ee4\u8ba9\u670d\u52a1\u5668\u751f\u6210rdb\u6587\u4ef6\uff0c\u6216\u8005\u901a\u8fc7\u670d\u52a1\u5668\u914d\u7f6e\u6587\u4ef6\u6307\u5b9a\u89e6\u53d1RDB\u6761\u4ef6\u3002<\/p>\n<ul>\n<li>1\u3001save\u547d\u4ee4: save\u547d\u4ee4\u662f\u4e00\u4e2a\u540c\u6b65\u64cd\u4f5c\u3002\n<pre><code># \u540c\u6b65\u6570\u636e\u5230\u78c1\u76d8\u4e0a\r\n&gt; save<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712583192503.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712583192503.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><br \/>\n\u5f53\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u53d1\u9001save\u547d\u4ee4\u8bf7\u6c42\u8fdb\u884c\u6301\u4e45\u5316\u65f6\uff0c\u670d\u52a1\u5668\u4f1a\u963b\u585esave\u547d\u4ee4\u4e4b\u540e\u7684\u5176\u4ed6\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u76f4\u5230\u6570\u636e\u540c\u6b65\u5b8c\u6210\u3002<br \/>\n\u5982\u679c\u6570\u636e\u91cf\u592a\u5927\uff0c\u540c\u6b65\u6570\u636e\u4f1a\u6267\u884c\u5f88\u4e45\uff0c\u800c\u8fd9\u671f\u95f4Redis\u670d\u52a1\u5668\u4e5f\u65e0\u6cd5\u63a5\u6536\u5176\u4ed6\u8bf7\u6c42\uff0c\u6240\u4ee5\uff0c\u6700\u597d\u4e0d\u8981\u5728\u751f\u4ea7\u73af\u5883\u4f7f\u7528save\u547d\u4ee4\u3002<\/li>\n<li>2\u3001bgsave\uff1a\u4e0esave\u547d\u4ee4\u4e0d\u540c\uff0cbgsave\u547d\u4ee4\u662f\u4e00\u4e2a\u5f02\u6b65\u64cd\u4f5c\u3002\n<pre><code># \u5f02\u6b65\u4fdd\u5b58\u6570\u636e\u96c6\u5230\u78c1\u76d8\u4e0a\r\n&gt; bgsave<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712583250478.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712583250478.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><br \/>\n\u5f53\u5ba2\u6237\u7aef\u53d1\u670d\u52a1\u53d1\u51fabgsave\u547d\u4ee4\u65f6\uff0cRedis\u670d\u52a1\u5668\u4e3b\u8fdb\u7a0b\u4f1aforks\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u6765\u6570\u636e\u540c\u6b65\u95ee\u9898\uff0c\u5728\u5c06\u6570\u636e\u4fdd\u5b58\u5230rdb\u6587\u4ef6\u4e4b\u540e\uff0c\u5b50\u8fdb\u7a0b\u4f1a\u9000\u51fa\u3002<br \/>\n\u6240\u4ee5\uff0c\u4e0esave\u547d\u4ee4\u76f8\u6bd4\uff0cRedis\u670d\u52a1\u5668\u5728\u5904\u7406bgsave\u91c7\u7528\u5b50\u7ebf\u7a0b\u8fdb\u884cIO\u5199\u5165\uff0c\u800c\u4e3b\u8fdb\u7a0b\u4ecd\u7136\u53ef\u4ee5\u63a5\u6536\u5176\u4ed6\u8bf7\u6c42\uff0c\u4f46forks\u5b50\u8fdb\u7a0b\u662f\u540c\u6b65\u7684\uff0c\u6240\u4ee5forks\u5b50\u8fdb\u7a0b\u65f6\uff0c\u4e00\u6837\u4e0d\u80fd\u63a5\u6536\u5176\u4ed6\u8bf7\u6c42<br \/>\n\u8fd9\u610f\u5473\u7740\uff0c\u5982\u679cforks\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u82b1\u8d39\u7684\u65f6\u95f4\u592a\u4e45(\u4e00\u822c\u662f\u5f88\u5feb\u7684)\uff0cbgsave\u547d\u4ee4\u4ecd\u7136\u6709\u963b\u585e\u5176\u4ed6\u5ba2\u6237\u7684\u8bf7\u6c42\u7684\u60c5\u51b5\u53d1\u751f\u3002<\/li>\n<li>3\u3001\u670d\u52a1\u5668\u914d\u7f6e\u81ea\u52a8\u89e6\u53d1\uff08\u5e95\u5c42\u4e0ebgsave\u7c7b\u4f3c\uff09<br \/>\n\u9664\u4e86\u901a\u8fc7\u5ba2\u6237\u7aef\u53d1\u9001\u547d\u4ee4\u5916\uff0c\u8fd8\u6709\u4e00\u79cd\u65b9\u5f0f\uff0c\u5c31\u662f\u5728Redis\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684save\u6307\u5b9a\u5230\u8fbe\u89e6\u53d1RDB\u6301\u4e45\u5316\u7684\u6761\u4ef6\uff0c\u6bd4\u5982\u3010\u591a\u5c11\u79d2\u5185\u81f3\u5c11\u8fbe\u5230\u591a\u5c11\u5199\u64cd\u4f5c\u3011\u5c31\u5f00\u542fRDB\u6570\u636e\u540c\u6b65\u3002<br \/>\n\u4f8b\u5982\u6211\u4eec\u53ef\u4ee5\u5728\u914d\u7f6e\u6587\u4ef6redis.conf\u6307\u5b9a\u5982\u4e0b\u7684\u9009\u9879\uff1a(\u6ce8\u610f\u914d\u7f6e\u6587\u4ef6\u91cc\u7684save\u5e76\u4e0d\u4ee3\u8868save\u547d\u4ee4\uff0c\u800c\u662f\u4e00\u4e2a\u914d\u7f6e\u53c2\u6570)<\/p>\n<pre><code># 900s\u5185\u81f3\u5c11\u8fbe\u5230\u4e00\u6761\u5199\u547d\u4ee4\r\nsave 900 1\r\n# 300s\u5185\u81f3\u5c11\u8fbe\u81f310\u6761\u5199\u547d\u4ee4\r\nsave 300 10\r\n# 60s\u5185\u81f3\u5c11\u8fbe\u523010000\u6761\u5199\u547d\u4ee4\r\nsave 60 10000<\/code><\/pre>\n<p>\u4e4b\u540e\u5728\u542f\u52a8\u670d\u52a1\u5668\u65f6\u52a0\u8f7d\u914d\u7f6e\u6587\u4ef6\u3002<\/p>\n<pre><code># \u542f\u52a8\u670d\u52a1\u5668\u52a0\u8f7d\u914d\u7f6e\u6587\u4ef6\r\nredis-server redis.conf<\/code><\/pre>\n<p>\u8fd9\u79cd\u901a\u8fc7\u670d\u52a1\u5668\u914d\u7f6e\u6587\u4ef6\u89e6\u53d1RDB\u7684\u65b9\u5f0f\uff0c\u4e0ebgsave\u547d\u4ee4\u7c7b\u4f3c\uff0c\u8fbe\u5230\u89e6\u53d1\u6761\u4ef6\u65f6\uff0c\u4f1aforks\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u8fdb\u884c\u6570\u636e\u540c\u6b65<br \/>\n\u4e0d\u8fc7\u6700\u597d\u4e0d\u8981\u901a\u8fc7\u8fd9\u65b9\u5f0f\u6765\u89e6\u53d1RDB\u6301\u4e45\u5316\uff0c\u56e0\u4e3a\u8bbe\u7f6e\u89e6\u53d1\u7684\u65f6\u95f4\u592a\u77ed\uff0c\u5219\u5bb9\u6613\u9891\u7e41\u5199\u5165rdb\u6587\u4ef6\uff0c\u5f71\u54cd\u670d\u52a1\u5668\u6027\u80fd\uff0c\u65f6\u95f4\u8bbe\u7f6e\u592a\u957f\u5219\u4f1a\u9020\u6210\u6570\u636e\u4e22\u5931\u3002<\/li>\n<\/ul>\n<h2>2.3 dump.rbd\u6587\u4ef6\u4ecb\u7ecd<\/h2>\n<p>\u4e0a\u4e00\u5c0f\u8282\u4ecb\u7ecd\u4e86\u4e09\u79cd\u8ba9\u670d\u52a1\u5668\u751f\u6210rdb\u6587\u4ef6\u7684\u65b9\u5f0f\uff0c\u65e0\u8bba\u662f\u7531\u4e3b\u8fdb\u7a0b\u751f\u6210\u8fd8\u662f\u5b50\u8fdb\u7a0b\u6765\u751f\u6210\uff0c\u5176\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u751f\u6210\u4e34\u65f6rdb\u6587\u4ef6\uff0c\u5e76\u5199\u5165\u6570\u636e\u3002<\/li>\n<li>\u5b8c\u6210\u6570\u636e\u5199\u5165\uff0c\u7528\u4e34\u65f6\u6587\u4ee3\u66ff\u4ee3\u6b63\u5f0frdb\u6587\u4ef6\u3002<\/li>\n<li>\u5220\u9664\u539f\u6765\u7684db\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<p>RDB\u9ed8\u8ba4\u751f\u6210\u7684\u6587\u4ef6\u540d\u4e3adump.rdb\uff0c\u5f53\u7136\uff0c\u6211\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u8fdb\u884c\u66f4\u52a0\u8be6\u7ec6\u914d\u7f6e\uff0c\u6bd4\u5982\u5728\u5355\u673a\u4e0b\u542f\u52a8\u591a\u4e2aredis\u670d\u52a1\u5668\u8fdb\u7a0b\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u7aef\u53e3\u53f7\u914d\u7f6e\u4e0d\u540c\u7684rdb\u540d\u79f0\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre><code># \u662f\u5426\u538b\u7f29rdb\u6587\u4ef6\r\nrdbcompression yes\r\n\r\n# rdb\u6587\u4ef6\u7684\u540d\u79f0\r\ndbfilename redis-6379.rdb\r\n\r\n# rdb\u6587\u4ef6\u4fdd\u5b58\u76ee\u5f55,\u8be5\u76ee\u5f55\u5fc5\u987b\u5b58\u5728\u5426\u5219\u542f\u52a8\u62a5\u9519\r\ndir \/a\/b\/c\/redis\/<\/code><\/pre>\n<h2>2.4 RBD\u6a21\u5f0f\u603b\u7ed3<\/h2>\n<p>RDB\u7684\u51e0\u4e2a\u4f18\u70b9<\/p>\n<ul>\n<li>\u4e0eAOF\u65b9\u5f0f\u76f8\u6bd4\uff0c\u901a\u8fc7rdb\u6587\u4ef6\u6062\u590d\u6570\u636e\u6bd4\u8f83\u5feb\u3002<\/li>\n<li>rdb\u6587\u4ef6\u975e\u5e38\u7d27\u51d1\uff0c\u9002\u5408\u4e8e\u6570\u636e\u5907\u4efd\u3002<\/li>\n<li>\u901a\u8fc7RDB\u8fdb\u884c\u6570\u636e\u5907\uff0c\u7531\u4e8e\u4f7f\u7528\u5b50\u8fdb\u7a0b\u751f\u6210\uff0c\u6240\u4ee5\u5bf9Redis\u670d\u52a1\u5668\u6027\u80fd\u5f71\u54cd\u8f83\u5c0f\u3002<\/li>\n<\/ul>\n<p>RDB\u7684\u51e0\u4e2a\u7f3a\u70b9<\/p>\n<ul>\n<li>\u9047\u6545\u969c\u65f6\u4e22\u7684\u6570\u636e\u91cf\u8f83\u591a\uff1a<br \/>\n\u5982\u679c\u670d\u52a1\u5668\u5b95\u673a\u7684\u8bdd\uff0c\u91c7\u7528RDB\u7684\u65b9\u5f0f\u4f1a\u9020\u6210\u67d0\u4e2a\u65f6\u6bb5\u5185\u6570\u636e\u7684\u4e22\u5931\uff0c\u6bd4\u5982\u6211\u4eec\u8bbe\u7f6e10\u5206\u949f\u540c\u6b65\u4e00\u6b21\u62165\u5206\u949f\u8fbe\u52301000\u6b21\u5199\u5165\u5c31\u540c\u6b65\u4e00\u6b21\uff0c\u90a3\u4e48\u5982\u679c\u8fd8\u6ca1\u8fbe\u5230\u89e6\u53d1\u6761\u4ef6\u670d\u52a1\u5668\u5c31\u6b7b\u673a\u4e86\uff0c\u90a3\u4e48\u8fd9\u4e2a\u65f6\u95f4\u6bb5\u5185\u7684\u6570\u636e\u4f1a\u4e22\u5931\u3002<\/li>\n<li>\u963b\u585e\u5ba2\u6237\u7aef\u8bf7\u6c42\uff1a\u4f7f\u7528save\u547d\u4ee4\u4f1a\u9020\u6210\u670d\u52a1\u5668\u963b\u585e\uff0c\u76f4\u63a5\u6570\u636e\u540c\u6b65\u5b8c\u6210\u624d\u80fd\u63a5\u6536\u540e\u7eed\u8bf7\u6c42\u3002<\/li>\n<li>\u4f7f\u7528bgsave\u547d\u4ee4\u5728forks\u5b50\u8fdb\u7a0b\u65f6\uff0c\u5982\u679c\u6570\u636e\u91cf\u592a\u5927\uff0cforks\u7684\u8fc7\u7a0b\u4e5f\u4f1a\u53d1\u751f\u963b\u585e\uff0c\u53e6\u5916\uff0cforks\u5b50\u8fdb\u7a0b\u4f1a\u8017\u8d39\u5185\u5b58\u3002<\/li>\n<\/ul>\n<h1>\u4e09\u3001AOF<\/h1>\n<h2>3.1 AOF\u6a21\u5f0f\u4ecb\u7ecd<\/h2>\n<p>\u804a\u5b8c\u4e86RDB,\u6765\u804a\u804aRedis\u7684\u53e6\u5916\u4e00\u4e2a\u6301\u4e45\u5316\u65b9\u5f0f\uff1aAOF(Append-only file)\u3002<br \/>\n\u4e0eRDB\u5b58\u50a8\u67d0\u4e2a\u65f6\u523b\u7684\u5feb\u7167\u4e0d\u540c\uff0cAOF\u6301\u4e45\u5316\u65b9\u5f0f\u4f1a\u8bb0\u5f55\u5ba2\u6237\u7aef\u5bf9\u670d\u52a1\u5668\u7684\u6bcf\u4e00\u6b21\u5199\u64cd\u4f5c\u547d\u4ee4\uff0c\u5e76\u5c06\u8fd9\u4e9b\u5199\u64cd\u4f5c\u4ee5Redis\u534f\u8bae\u8ffd\u52a0\u4fdd\u5b58\u5230\u4ee5\u540e\u7f00\u4e3aaof\u6587\u4ef6\u672b\u5c3e\uff0c\u5728Redis\u670d\u52a1\u5668\u91cd\u542f\u65f6\uff0c\u4f1a\u52a0\u8f7d\u5e76\u8fd0\u884caof\u6587\u4ef6\u7684\u547d\u4ee4\uff0c\u4ee5\u8fbe\u5230\u6062\u590d\u6570\u636e\u7684\u76ee\u7684\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712584242229.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712584242229.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><\/p>\n<h2>3.2 \u5f00\u542fAOF\u6301\u4e45\u5316\u65b9\u5f0f<\/h2>\n<p>Redis\u9ed8\u8ba4\u4e0d\u5f00\u542fAOF\u6301\u4e45\u5316\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u5f00\u542f\u5e76\u8fdb\u884c\u66f4\u52a0\u8be6\u7ec6\u7684\u914d\u7f6e\uff0c\u5982\u4e0b\u9762\u7684redis.conf\u6587\u4ef6\uff1a<\/p>\n<pre><code># \u5f00\u542faof\u673a\u5236\r\nappendonly yes\r\n\r\n# aof\u6587\u4ef6\u540d\r\nappendfilename \"appendonly.aof\"\r\n\r\n# \u5199\u5165\u7b56\u7565,always\u8868\u793a\u6bcf\u4e2a\u5199\u64cd\u4f5c\u90fd\u4fdd\u5b58\u5230aof\u6587\u4ef6\u4e2d,\u4e5f\u53ef\u4ee5\u662feverysec\u6216no\uff0c\u8be6\u89e3\u89c1\u4e0b\u4e00\u5c0f\u8282\r\nappendfsync always\r\n\r\n# \u5728\u91cd\u5199aof\u65e5\u5fd7\u65f6\u662f\u5426\u5237\u76d8\uff0c\u53cc\u91cd\u5426\u5b9a\u4ee3\u8868\u80af\u5b9a\uff0c\u54c8\u54c8no-xxx no\u5c31\u662f\u5237\u76d8\uff0c\u8be6\u89e3\u89c1\u4e0b\u4e00\u5c0f\u8282\r\nno-appendfsync-on-rewrite no\r\n\r\n# \u4fdd\u5b58\u76ee\u5f55,\u76ee\u5f55\u5fc5\u987b\u5b58\u5728\r\ndir \/a\/b\/c\/redis\/<\/code><\/pre>\n<h2>3.3 \u4e09\u79cd\u5199\u5165\u7b56\u7565<\/h2>\n<p>\u5728\u4e0a\u9762\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7appendfsync\u9009\u9879\u6307\u5b9a\u5199\u5165\u7b56\u7565,\u6709\u4e09\u4e2a\u9009\u9879<\/p>\n<pre><code># appendfsync always\r\n# appendfsync everysec\r\n# appendfsync no<\/code><\/pre>\n<ol>\n<li>always<br \/>\n\u5ba2\u6237\u7aef\u7684\u6bcf\u4e00\u4e2a\u5199\u64cd\u4f5c\u90fd\u4fdd\u5b58\u5230aof\u6587\u4ef6\u5f53\uff0c\u8fd9\u79cd\u7b56\u7565\u5f88\u5b89\u5168\uff0c\u4f46\u662f\u6bcf\u4e2a\u5199\u8bf7\u6ce8\u90fd\u6709IO\u64cd\u4f5c\uff0c\u6240\u4ee5\u4e5f\u5f88\u6162\u3002<\/li>\n<li>everysec<br \/>\nappendfsync\u7684\u9ed8\u8ba4\u5199\u5165\u7b56\u7565\uff0c\u6bcf\u79d2\u5199\u5165\u4e00\u6b21aof\u6587\u4ef6\uff0c\u56e0\u6b64\uff0c\u6700\u591a\u53ef\u80fd\u4f1a\u4e22\u59311s\u7684\u6570\u636e\u3002<\/li>\n<li>no<br \/>\nRedis\u670d\u52a1\u5668\u4e0d\u8d1f\u8d23\u5199\u5165aof\uff0c\u800c\u662f\u4ea4\u7531\u64cd\u4f5c\u7cfb\u7edf\u6765\u5904\u7406\u4ec0\u4e48\u65f6\u5019\u5199\u5165aof\u6587\u4ef6\u3002\u66f4\u5feb\uff0c\u4f46\u4e5f\u662f\u6700\u4e0d\u5b89\u5168\u7684\u9009\u62e9\uff0c\u4e0d\u63a8\u8350\u4f7f\u7528\u3002<\/li>\n<\/ol>\n<p>\u4ece\u6301\u4e45\u5316\u89d2\u5ea6\u8bb2\uff0calways\u662f\u6700\u5b89\u5168\u7684\u3002\u4ece\u6548\u7387\u4e0a\u8bb2\uff0cno\u662f\u6700\u5feb\u7684\u3002\u800credis\u9ed8\u8ba4\u8bbe\u7f6e\u8fdb\u884c\u4e86\u6298\u4e2d\uff0c\u9009\u62e9\u4e86everysec\u3002\u5408\u60c5\u5408\u7406\u3002<\/p>\n<h2>3.4 AOF\u6587\u4ef6\u91cd\u5199<\/h2>\n<p>===========1\u3001\u4ec0\u4e48\u662f\u91cd\u5199rewriteaof<br \/>\nAOF\u5c06\u5ba2\u6237\u7aef\u7684\u6bcf\u4e00\u4e2a\u5199\u64cd\u4f5c\u90fd\u8ffd\u52a0\u5230aof\u6587\u4ef6\u672b\u5c3e\uff0c\u6bd4\u5982\u5bf9\u4e00\u4e2akey\u591a\u6b21\u6267\u884cincr\u547d\u4ee4\uff0c\u8fd9\u65f6\u5019\uff0caof\u4fdd\u5b58\u6bcf\u4e00\u6b21\u547d\u4ee4\u5230aof\u6587\u4ef6\u4e2d\uff0caof\u6587\u4ef6\u4f1a\u53d8\u5f97\u975e\u5e38\u5927\u3002\u4f46\u5176\u5b9e\u5f88\u591a\u6307\u4ee4\u53ef\u4ee5\u5408\u5e76<\/p>\n<pre><code># \u6bcf\u6267\u884c\u4e00\u6b21num\u7d2f\u52a01\r\nincr num\r\nincr num \r\nincr num\r\nincr num\r\nincr num\r\nincr num\r\n...\u52a0\u5230 100000\r\nincr num<\/code><\/pre>\n<p>aof\u6587\u4ef6\u592a\u5927\uff0c\u52a0\u8f7daof\u6587\u4ef6\u6062\u590d\u6570\u636e\u65f6\uff0c\u5c31\u4f1a\u975e\u5e38\u6162\uff0c\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0cRedis\u652f\u6301aof\u6587\u4ef6\u91cd\u5199\uff0c\u901a\u8fc7\u91cd\u5199aof\uff0c\u53ef\u4ee5\u751f\u6210\u4e00\u4e2a\u6062\u590d\u5f53\u524d\u6570\u636e\u7684\u6700\u5c11\u547d\u4ee4\u96c6\uff0c\u6bd4\u5982\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\u90a3\u4e48\u591a\u6761\u547d\u4ee4\uff0c\u53ef\u4ee5\u91cd\u5199\u4e3a\uff1a<\/p>\n<pre><code>set num 100000<\/code><\/pre>\n<p>aof\u6587\u4ef6\u662f\u4e00\u4e2a\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u5e76\u4e0d\u662f\u50cf\u4e0a\u9762\u7684\u4f8b\u5b50\u4e00\u6837\uff0c\u76f4\u63a5\u4fdd\u5b58\u6bcf\u4e2a\u547d\u4ee4\uff0c\u800c\u4f7f\u7528Redis\u81ea\u5df1\u7684\u683c\u5f0f\uff0c\u4e0a\u9762\u53ea\u662f\u65b9\u4fbf\u6f14\u793a\u3002<\/p>\n<p>===========2\u3001\u4e3a\u4ec0\u4e48\u8981\u91cd\u5199<br \/>\n\u91cd\u5199aof\u6587\u4ef6\u7684\u597d\u5904<br \/>\n1\u3001\u538b\u7f29aof\u6587\u4ef6\uff0c\u51cf\u5c11\u78c1\u76d8\u5360\u7528\u91cf\u3002<\/p>\n<p>2\u3001\u5c06aof\u7684\u547d\u4ee4\u538b\u7f29\u4e3a\u6700\u5c0f\u547d\u4ee4\u96c6\uff0c\u52a0\u5feb\u4e86\u6570\u636e\u6062\u590d\u7684\u901f\u5ea6\u3002<\/p>\n<p>===========3\u3001\u5982\u4f55\u6267\u884c\u91cd\u5199<br \/>\n\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u53d1\u9001bgrewriteaof\u547d\u4ee4\uff0c\u8ba9\u670d\u52a1\u5668\u8fdb\u884cAOF\u91cd\u5199<\/p>\n<pre><code># \u8ba9\u670d\u52a1\u5668\u5f02\u6b65\u91cd\u5199\u8ffd\u52a0aof\u6587\u4ef6\u547d\u4ee4\r\n&gt; bgrewriteaof\r\n\r\n\u4f8b\uff1a\r\n127.0.0.1:6379&gt; BGREWRITEAOF # \u53ef\u4ee5\u5bf9\u6bd4\u4e0b\u6267\u884c\u524d\u540eAOF\u65e5\u5fd7\u6587\u4ef6\u7684\u5927\u5c0f\u53d8\u5316\uff0c\u4f1a\u53d1\u73b0\u6709\u6240\u7f29\u51cf\r\nBackground append only file rewriting started\r\n127.0.0.1:6379&gt; exit\r\n[root@db01 redis]# ls\r\nappendonly.aof  dump.rdb\r\n<\/code><\/pre>\n<p>bgrewriteaof\u673a\u5236\u4e5f\u662f\u5f02\u6b65\u64cd\u4f5c\uff0c\u5728\u4e00\u4e2a\u5b50\u8fdb\u7a0b\u4e2d\u8fdb\u884caof\u7684\u91cd\u5199\uff0c\u4ece\u800c\u4e0d\u963b\u585e\u4e3b\u8fdb\u7a0b\u5bf9\u5176\u4f59\u547d\u4ee4\u7684\u5904\u7406\uff0c\u540c\u65f6\u89e3\u51b3\u4e86aof\u6587\u4ef6\u8fc7\u5927\u95ee\u9898\uff0c\u5982\u4e0b\u56fe<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712584582712.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2024\/04\/image-1712584582712.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-size: 24px; background-color: #ff0000;\">\u95ee\u9898\u6765\u4e86\uff1a<\/span><\/p>\n<p>\u5982\u679credis\u4e3b\u8fdb\u7a0b\u6b63\u5728\u8fdb\u884c\u5199AOF\u6587\u5bb6\u7684\u64cd\u4f5c\uff0c\u4e0e\u6b64\u540c\u65f6\u4f60\u6267\u884c\u4e86bgrewriteaof\u91cd\u65b0\u64cd\u4f5c\uff0c\u6b64\u65f6\u4e8c\u8005\u90fd\u4f1a\u64cd\u4f5c\u78c1\u76d8\uff0c<\/p>\n<p>\u800cbgrewriteaof\u5f80\u5f80\u4f1a\u6d89\u53ca\u5927\u91cf\u78c1\u76d8\u64cd\u4f5c\uff0c\u8fd9\u6837\u5c31\u4f1a\u9020\u6210\u4e3b\u8fdb\u7a0b\u5728\u5199aof\u6587\u4ef6\u7684\u65f6\u5019\u51fa\u73b0\u963b\u585e\u7684\u60c5\u5f62<\/p>\n<p>\u73b0\u5728no-appendfsync-on-rewrite\u53c2\u6570\u51fa\u573a\u4e86\uff0c\u8be5\u53c2\u6570\u7528\u4e8e\u63a7\u5236\u7528\u4e8e\u63a7\u5236\u5728\u8fdb\u884c \u91cd\u5199AOF\u65e5\u5fd7\u7684\u8fc7\u7a0b\u4e2d\u662f\u5426\u6267\u884c fsync\uff08\u6587\u4ef6\u540c\u6b65\uff09\u64cd\u4f5c\u3002<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_9dc5f paragraph-element\">\uff081\uff09\u5f53 <code>no-appendfsync-on-rewrite<\/code>\u00a0\u8bbe\u7f6e\u4e3a\u00a0<code>no<\/code>\u00a0\u65f6\uff0c\u8868\u793a\u5728\u8fdb\u884c AOF \u91cd\u5199\u65f6\uff0c\u4f1a\u6267\u884c fsync \u64cd\u4f5c\u3002\u8fd9\u610f\u5473\u7740\u5728 AOF \u91cd\u5199\u8fc7\u7a0b\u4e2d\uff0c\u6bcf\u5f53\u6709\u6570\u636e\u88ab\u5199\u5165\u65b0\u7684 AOF \u6587\u4ef6\u65f6\uff0c\u90fd\u4f1a\u5c06\u6570\u636e\u540c\u6b65\u5230\u78c1\u76d8\u4e0a\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u7684\u6301\u4e45\u6027\u548c\u5b89\u5168\u6027\u3002\u8fd9\u6837\u53ef\u4ee5\u4fdd\u8bc1\u5728\u670d\u52a1\u5668\u7a81\u7136\u5b95\u673a\u6216\u65ad\u7535\u7b49\u610f\u5916\u60c5\u51b5\u4e0b\uff0c\u5df2\u7ecf\u5199\u5165\u7684\u6570\u636e\u4e0d\u4f1a\u4e22\u5931\uff0c\u4f46\u4e5f\u4f1a\u5bf9\u7cfb\u7edf\u7684\u6027\u80fd\u4ea7\u751f\u4e00\u5b9a\u7684\u5f71\u54cd\u3002<\/div>\n<div class=\"auto-hide-last-sibling-br paragraph_9dc5f paragraph-element\">\uff082\uff09\u5982\u679c\u5c06 <code>no-appendfsync-on-rewrite<\/code>\u00a0\u8bbe\u7f6e\u4e3a\u00a0<code>yes<\/code>\uff0c\u5219\u8868\u793a\u5728\u8fdb\u884c AOF \u91cd\u5199\u65f6\uff0c\u4e0d\u4f1a\u6267\u884c fsync \u64cd\u4f5c\u3002\u8fd9\u6837\u53ef\u4ee5\u63d0\u9ad8 AOF \u91cd\u5199\u7684\u901f\u5ea6\uff0c\u5e76\u964d\u4f4e\u5bf9\u7cfb\u7edf\u6027\u80fd\u7684\u5f71\u54cd\u3002\u4f46\u540c\u65f6\u4e5f\u589e\u52a0\u4e86\u6570\u636e\u4e22\u5931\u7684\u98ce\u9669\uff0c\u56e0\u4e3a\u5728 AOF \u91cd\u5199\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u670d\u52a1\u5668\u51fa\u73b0\u5f02\u5e38\u60c5\u51b5\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u91cd\u5199\u8fc7\u7a0b\u4e2d\u7684\u90e8\u5206\u6570\u636e\u4e22\u5931\u3002<\/div>\n<p>\u603b\u7ed3\uff1a<\/p>\n<p>\u5982\u679c\u8be5\u53c2\u6570\u8bbe\u7f6e\u4e3ano\uff0c\u662f\u6700\u5b89\u5168\u7684\u65b9\u5f0f\uff0c\u4e0d\u4f1a\u4e22\u5931\u6570\u636e\uff0c\u4f46\u662f\u8981\u5fcd\u53d7\u963b\u585e\u7684\u95ee\u9898\u3002<\/p>\n<p>\u5982\u679c\u8bbe\u7f6e\u4e3ayes\uff0c\u901f\u5ea6\u662f\u5feb\uff0c\u56e0\u4e3a\u6ca1\u6709\u6267\u884c\u78c1\u76d8\u64cd\u4f5c\uff0c\u53ea\u662f\u5199\u5165\u4e86\u7f13\u51b2\u533a\uff0c\u56e0\u6b64\u8fd9\u6837\u5e76\u4e0d\u4f1a\u9020\u6210\u963b\u585e\uff08\u56e0\u4e3a\u6ca1\u6709\u7ade\u4e89\u78c1\u76d8\uff09\uff0c\u4f46\u662f\u5982\u679c\u8fd9\u4e2a\u65f6\u5019redis\u6302\u6389\uff0c\u5c31\u4f1a\u4e22\u5931\u6570\u636e\u3002\u4e22\u5931\u591a\u5c11\u6570\u636e\u5462\uff1f\u5728linux\u7684\u64cd\u4f5c\u7cfb\u7edf\u7684\u9ed8\u8ba4\u8bbe\u7f6e\u4e0b\uff0c\u6700\u591a\u4f1a\u4e22\u593130s\u7684\u6570\u636e\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5982\u679c\u5e94\u7528\u7cfb\u7edf\u65e0\u6cd5\u5fcd\u53d7\u5ef6\u8fdf\uff0c\u800c\u53ef\u4ee5\u5bb9\u5fcd\u5c11\u91cf\u7684\u6570\u636e\u4e22\u5931\uff0c\u5219\u8bbe\u7f6e\u4e3ayes\u3002\u5982\u679c\u5e94\u7528\u7cfb\u7edf\u65e0\u6cd5\u5fcd\u53d7\u6570\u636e\u4e22\u5931\uff0c\u5219\u8bbe\u7f6e\u4e3ano\u3002<\/p>\n<h2>3.5 AOF\u6587\u4ef6\u635f\u574f<\/h2>\n<p>\u5728\u5199\u5165aof\u65e5\u5fd7\u6587\u4ef6\u65f6\uff0c\u5982\u679cRedis\u670d\u52a1\u5668\u5b95\u673a\uff0c\u5219aof\u65e5\u5fd7\u6587\u4ef6\u6587\u4ef6\u4f1a\u51fa\u683c\u5f0f\u9519\u8bef\uff0c\u5728\u91cd\u542fRedis\u670d\u52a1\u5668\u65f6\uff0cRedis\u670d\u52a1\u5668\u4f1a\u62d2\u7edd\u8f7d\u5165\u8fd9\u4e2aaof\u6587\u4ef6\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u4fee\u590daof\u5e76\u6062\u590d\u6570\u636e\u3002<\/p>\n<p>1\u3001\u5907\u4efd\u73b0\u5728aof\u6587\u4ef6\uff0c\u4ee5\u9632\u4e07\u4e00\u3002<\/p>\n<p>2\u3001\u4f7f\u7528redis-check-aof\u547d\u4ee4\u4fee\u590daof\u6587\u4ef6\uff0c\u8be5\u547d\u4ee4\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<pre><code># \u4fee\u590daof\u65e5\u5fd7\u6587\u4ef6\r\n$ redis-check-aof -fix file.aof<\/code><\/pre>\n<p>3\u3001\u91cd\u542fRedis\u670d\u52a1\u5668\uff0c\u52a0\u8f7d\u5df2\u7ecf\u4fee\u590d\u7684aof\u6587\u4ef6\uff0c\u6062\u590d\u6570\u636e\u3002<\/p>\n<h2>3.6 AOF\u6a21\u5f0f\u603b\u7ed3<\/h2>\n<p>AOF\u7684\u4f18\u70b9<br \/>\n1\u3001\u9047\u6545\u969c\u65f6\u4e22\u7684\u6570\u636e\u91cf\u5c11\uff0c\u56e0\u4e3a\u6301\u4e45\u5316\u7684\u4e0d\u662f\u6570\u636e\uff0c\u800c\u662f\u64cd\u4f5c\u6307\u4ee4<br \/>\n2\u3001AOF\u53ea\u662f\u8ffd\u52a0\u65e5\u5fd7\u6587\u4ef6\uff0c\u56e0\u6b64\u5bf9\u670d\u52a1\u5668\u6027\u80fd\u5f71\u54cd\u8f83\u5c0f\uff0c\u5907\u4efd\u7684\u901f\u5ea6\u6bd4RDB\u8981\u5feb\uff0c\u6d88\u8017\u7684\u5185\u5b58\u8f83\u5c11\u3002<\/p>\n<p>AOF\u7684\u7f3a\u70b9<br \/>\n1\u3001AOF\u65b9\u5f0f\u751f\u6210\u7684\u65e5\u5fd7\u6587\u4ef6\u592a\u5927\uff0c\u5373\u4f7f\u901a\u8fc7AOF\u91cd\u5199\uff0c\u65e5\u5fd7\u6587\u4ef6\u4f53\u79ef\u4ecd\u7136\u5f88\u5927\u3002<br \/>\n2\u3001\u6062\u590d\u6570\u636e\u7684\u901f\u5ea6\u6bd4RDB\u6162\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u5bf9\u6bd4<\/p>\n<p>\u65e5\u5fd7\/\u5907\u4efd\u6587\u4ef6\u5927\u5c0f\uff1aAOF\u6a21\u5f0f &gt; RBD\u6a21\u5f0f<\/p>\n<p>\u6062\u590d\u6570\u636e\u901f\u5ea6\uff1aAOF\u6a21\u5f0f &lt; RBD\u6a21\u5f0f<\/p>\n<p>\u6570\u636e\u5b89\u5168\u6027\uff08\u6545\u969c\u65f6\u4e22\u7684\u6570\u91cf\u8d8a\u5c11\u5b89\u5168\uff09\uff1aAOF\u6a21\u5f0f \u300bRBD\u6a21\u5f0f<\/p>\n<p>\u5907\u4efd\u6570\u636e\u7684\u901f\u5ea6\uff1aAOF\u6a21\u5f0f \u300bRBD\u6a21\u5f0f\uff0cAOF\u7684\u5bf9\u5185\u5b58\u7684\u635f\u8017\u5c0f<\/p>\n<p>&nbsp;<\/p>\n<h1>\u56db\u3001\u9009\u62e9RDB\u8fd8\u662fAOF\u5462\uff1f<\/h1>\n<p>\u901a\u8fc7\u4e0a\u9762\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u4e86\u89e3\u4e86RDB\u4e0eAOF\u5404\u81ea\u7684\u4f18\u70b9\u4e0e\u7f3a\u70b9\uff0c\u5230\u5e95\u8981\u5982\u4f55\u9009\u62e9\u5462\uff1f<\/p>\n<p>\u901a\u8fc7\u4e0b\u9762\u7684\u8868\u793a\uff0c\u6211\u4eec\u53ef\u4ee5\u4ece\u51e0\u4e2a\u65b9\u9762\u5bf9\u6bd4\u4e00\u4e0bRDB\u4e0eAOF,\u5728\u5e94\u7528\u65f6\uff0c\u8981\u6839\u672c\u81ea\u5df1\u7684\u5b9e\u9645\u9700\u6c42\u9009\u62e9RDB\u6216\u8005AOF<\/p>\n<p>\u5982\u679c\u60f3\u8981\u6570\u636e\u8db3\u591f\u5b89\u5168\uff0c\u53ef\u4ee5\u4e24\u79cd\u65b9\u5f0f\u90fd\u5f00\u542f\uff0c\u4f46\u4e24\u79cd\u6301\u4e45\u5316\u65b9\u5f0f\u540c\u65f6\u8fdb\u884cIO\u64cd\u4f5c\uff0c\u4f1a\u4e25\u91cd\u5f71\u54cd\u670d\u52a1\u5668\u6027\u80fd\uff0c\u56e0\u6b64\u6709\u65f6\u5019\u4e0d\u5f97\u4e0d\u505a\u51fa\u9009\u62e9\u3002<br 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