{"id":53164,"date":"2025-08-12T02:24:32","date_gmt":"2025-08-11T18:24:32","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/53164.html"},"modified":"2025-08-12T02:24:32","modified_gmt":"2025-08-11T18:24:32","slug":"redis-aof%e5%88%b7%e7%9b%98%e6%9c%ba%e5%88%b6%e4%b8%8e%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e5%85%a8%e8%a7%a3%ef%bc%9a%e5%8e%9f%e7%90%86%e3%80%81%e6%ba%90%e7%a0%81%e3%80%81%e5%9c%ba%e6%99%af%e3%80%81","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/53164.html","title":{"rendered":"Redis AOF\u5237\u76d8\u673a\u5236\u4e0e\u6027\u80fd\u4f18\u5316\u5168\u89e3\uff1a\u539f\u7406\u3001\u6e90\u7801\u3001\u573a\u666f\u3001\u8c03\u4f18\u4e0e\u9ad8\u9636\u65b9\u6848"},"content":{"rendered":"<h2>Redis AOF\u5237\u76d8\u673a\u5236\u4e0e\u6027\u80fd\u4f18\u5316\u5168\u89e3&#xff1a;\u539f\u7406\u3001\u6e90\u7801\u3001\u573a\u666f\u3001\u8c03\u4f18\u4e0e\u9ad8\u9636\u65b9\u6848<\/h2>\n<p>Redis \u7684 AOF&#xff08;Append Only File&#xff09;\u6301\u4e45\u5316\u673a\u5236\u662f\u9ad8\u53ef\u7528\u67b6\u6784\u7684\u6838\u5fc3&#xff0c;\u4f46\u5176\u5237\u76d8&#xff08;flush&#xff09;\u7b56\u7565\u4e0e\u78c1\u76d8 I\/O \u6027\u80fd\u76f4\u63a5\u51b3\u5b9a\u4e86\u7cfb\u7edf\u7684\u54cd\u5e94\u5ef6\u8fdf\u3002\u672c\u6587\u5c06\u7cfb\u7edf\u6027\u5256\u6790 AOF \u7684\u5237\u76d8\u539f\u7406\u3001\u6e90\u7801\u6d41\u7a0b\u3001\u6027\u80fd\u5f71\u54cd\u3001\u4f18\u5316\u6280\u5de7\u3001\u4e1a\u52a1\u573a\u666f\u4e3e\u4f8b\u53ca\u9ad8\u9636\u96c6\u6210\u65b9\u6848&#xff0c;\u5e2e\u52a9\u4f60\u77e5\u5176\u7136\u66f4\u77e5\u5176\u6240\u4ee5\u7136\u3002<\/p>\n<hr \/>\n<h3>\u4e00\u3001AOF\u6301\u4e45\u5316\u673a\u5236\u4e0e\u4e3b\u6d41\u7a0b\u8bbe\u8ba1<\/h3>\n<h4>1.1 \u6838\u5fc3\u539f\u7406\u4e0e\u8bbe\u8ba1\u601d\u60f3<\/h4>\n<ul>\n<li>\u547d\u4ee4\u8bb0\u5f55&#xff1a;\u6bcf\u6b21\u5199\u64cd\u4f5c&#xff08;SET\u3001HSET\u7b49&#xff09;&#xff0c;Redis \u90fd\u4f1a\u5c06\u547d\u4ee4\u6587\u672c\u8ffd\u52a0\u5230 AOF \u6587\u4ef6\u3002<\/li>\n<li>\u4e24\u6b65\u6d41\u7a0b&#xff1a;\n<li>\u5199\u5185\u5b58&#xff1a;\u5199\u5165 AOF \u7f13\u51b2\u533a&#xff08;write syscall&#xff09;\u3002<\/li>\n<li>\u5237\u78c1\u76d8&#xff1a;\u6839\u636e\u5237\u76d8\u7b56\u7565\u540c\u6b65\u5230\u78c1\u76d8&#xff08;fsync syscall&#xff09;\u3002<\/li>\n<\/li>\n<\/ul>\n<h5>\u3010\u6d41\u7a0b\u56fe\u5c55\u793a\u3011<\/h5>\n<p>  #mermaid-svg-FOtu8fxfvtYT3eR7 {font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-FOtu8fxfvtYT3eR7 .error-icon{fill:#552222;}#mermaid-svg-FOtu8fxfvtYT3eR7 .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-FOtu8fxfvtYT3eR7 .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-FOtu8fxfvtYT3eR7 .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-FOtu8fxfvtYT3eR7 .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-FOtu8fxfvtYT3eR7 .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-FOtu8fxfvtYT3eR7 .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-FOtu8fxfvtYT3eR7 .marker{fill:#333333;stroke:#333333;}#mermaid-svg-FOtu8fxfvtYT3eR7 .marker.cross{stroke:#333333;}#mermaid-svg-FOtu8fxfvtYT3eR7 svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-FOtu8fxfvtYT3eR7 .actor{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-FOtu8fxfvtYT3eR7 text.actor&gt;tspan{fill:black;stroke:none;}#mermaid-svg-FOtu8fxfvtYT3eR7 .actor-line{stroke:grey;}#mermaid-svg-FOtu8fxfvtYT3eR7 .messageLine0{stroke-width:1.5;stroke-dasharray:none;stroke:#333;}#mermaid-svg-FOtu8fxfvtYT3eR7 .messageLine1{stroke-width:1.5;stroke-dasharray:2,2;stroke:#333;}#mermaid-svg-FOtu8fxfvtYT3eR7 #arrowhead path{fill:#333;stroke:#333;}#mermaid-svg-FOtu8fxfvtYT3eR7 .sequenceNumber{fill:white;}#mermaid-svg-FOtu8fxfvtYT3eR7 #sequencenumber{fill:#333;}#mermaid-svg-FOtu8fxfvtYT3eR7 #crosshead path{fill:#333;stroke:#333;}#mermaid-svg-FOtu8fxfvtYT3eR7 .messageText{fill:#333;stroke:#333;}#mermaid-svg-FOtu8fxfvtYT3eR7 .labelBox{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-FOtu8fxfvtYT3eR7 .labelText,#mermaid-svg-FOtu8fxfvtYT3eR7 .labelText&gt;tspan{fill:black;stroke:none;}#mermaid-svg-FOtu8fxfvtYT3eR7 .loopText,#mermaid-svg-FOtu8fxfvtYT3eR7 .loopText&gt;tspan{fill:black;stroke:none;}#mermaid-svg-FOtu8fxfvtYT3eR7 .loopLine{stroke-width:2px;stroke-dasharray:2,2;stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);}#mermaid-svg-FOtu8fxfvtYT3eR7 .note{stroke:#aaaa33;fill:#fff5ad;}#mermaid-svg-FOtu8fxfvtYT3eR7 .noteText,#mermaid-svg-FOtu8fxfvtYT3eR7 .noteText&gt;tspan{fill:black;stroke:none;}#mermaid-svg-FOtu8fxfvtYT3eR7 .activation0{fill:#f4f4f4;stroke:#666;}#mermaid-svg-FOtu8fxfvtYT3eR7 .activation1{fill:#f4f4f4;stroke:#666;}#mermaid-svg-FOtu8fxfvtYT3eR7 .activation2{fill:#f4f4f4;stroke:#666;}#mermaid-svg-FOtu8fxfvtYT3eR7 .actorPopupMenu{position:absolute;}#mermaid-svg-FOtu8fxfvtYT3eR7 .actorPopupMenuPanel{position:absolute;fill:#ECECFF;box-shadow:0px 8px 16px 0px rgba(0,0,0,0.2);filter:drop-shadow(3px 5px 2px rgb(0 0 0 \/ 0.4));}#mermaid-svg-FOtu8fxfvtYT3eR7 .actor-man line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;}#mermaid-svg-FOtu8fxfvtYT3eR7 .actor-man circle,#mermaid-svg-FOtu8fxfvtYT3eR7 line{stroke:hsl(259.6261682243, 59.7765363128%, 87.9019607843%);fill:#ECECFF;stroke-width:2px;}#mermaid-svg-FOtu8fxfvtYT3eR7 :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}<\/p>\n<p>      Client<\/p>\n<p>      Redis<\/p>\n<p>      Disk<\/p>\n<p>   \u5199\u547d\u4ee4&#xff08;\u5982 SET&#xff09;<\/p>\n<p>   \u5199\u5165AOF\u7f13\u51b2\u533a(write)<\/p>\n<p>   \u5237\u76d8(fs\/appendfsync\u7b56\u7565)<\/p>\n<p>   \u5199\u5165\u5b8c\u6210<\/p>\n<p>   \u54cd\u5e94&#xff08;OK&#xff09;<\/p>\n<p>     Client<\/p>\n<p>     Redis<\/p>\n<p>     Disk<\/p>\n<h4>1.2 \u6e90\u7801\u5206\u89e3\u4e0e\u5173\u952e\u65b9\u6cd5<\/h4>\n<p>\u6838\u5fc3\u5165\u53e3&#xff1a;aof.c \u4e2d\u7684 flushAppendOnlyFile<\/p>\n<p><span class=\"token keyword\">void<\/span> <span class=\"token function\">flushAppendOnlyFile<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> force<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">sdslen<\/span><span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">.<\/span>aof_buf<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5199\u5165AOF\u7f13\u51b2\u533a\u5230\u6587\u4ef6<\/span><br \/>\n    <span class=\"token class-name\">ssize_t<\/span> written <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">.<\/span>aof_fd<span class=\"token punctuation\">,<\/span> server<span class=\"token punctuation\">.<\/span>aof_buf<span class=\"token punctuation\">,<\/span> <span class=\"token function\">sdslen<\/span><span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">.<\/span>aof_buf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6839\u636e\u7b56\u7565\u5237\u76d8<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">.<\/span>appendfsync <span class=\"token operator\">&#061;&#061;<\/span> APPENDFSYNC_ALWAYS<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">fsync<\/span><span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">.<\/span>aof_fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">.<\/span>appendfsync <span class=\"token operator\">&#061;&#061;<\/span> APPENDFSYNC_EVERYSEC<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u540e\u53f0\u7ebf\u7a0b\u6bcf\u79d2\u5b9a\u65f6fsync<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>force<span class=\"token punctuation\">)<\/span> <span class=\"token function\">fsync<\/span><span class=\"token punctuation\">(<\/span>server<span class=\"token punctuation\">.<\/span>aof_fd<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ no\u6a21\u5f0f\u4e0b&#xff0c;\u4f9d\u8d56\u64cd\u4f5c\u7cfb\u7edf\u81ea\u884c\u5237\u76d8<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h5>\u9010\u884c\u6ce8\u91ca<\/h5>\n<li>\u7f13\u51b2\u533a\u4e3a\u7a7a\u76f4\u63a5\u8fd4\u56de<\/li>\n<li>\u8c03\u7528 write \u5199\u5165 AOF \u6587\u4ef6<\/li>\n<li>\u6839\u636e\u7b56\u7565\u6267\u884c fsync \u5237\u76d8<\/li>\n<li>always&#xff1a;\u6bcf\u6b21\u5f3a\u5236\u5237\u76d8<\/li>\n<li>everysec&#xff1a;\u540e\u53f0\u7ebf\u7a0b\u6bcf\u79d2\u5237\u76d8<\/li>\n<li>no&#xff1a;\u4e0d\u4e3b\u52a8\u5237\u76d8&#xff0c;\u4ea4\u7ed9\u64cd\u4f5c\u7cfb\u7edf<\/li>\n<p>\u901f\u8bb0\u53e3\u8bc0&#xff1a;<\/p>\n<p>\u201c\u5148\u7f13\u51b2\u540e\u5199\u76d8&#xff0c;\u7b56\u7565\u63a7\u5236\u5237\u76d8\u9891\u7387&#xff0c;always\u6700\u5b89\u5168&#xff0c;everysec\u5747\u8861&#xff0c;no\u6781\u81f4\u6027\u80fd\u3002\u201d<\/p>\n<hr \/>\n<h3>\u4e8c\u3001\u4e09\u79cdAOF\u5237\u76d8\u7b56\u7565\u5bf9\u6027\u80fd\u5f71\u54cd<\/h3>\n<table>\n<tr>\u7b56\u7565\u5de5\u4f5c\u673a\u5236\u6027\u80fd\u5f71\u54cd\u6570\u636e\u5b89\u5168\u5178\u578b\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>always<\/td>\n<td>\u6bcf\u6b21\u5199\u540e\u5f3a\u5236fsync<\/td>\n<td>\u5ef6\u8fdf\u6700\u9ad8<\/td>\n<td>\u6570\u636e\u6700\u5b89\u5168<\/td>\n<td>\u91d1\u878d\u4ea4\u6613\u3001\u8d26\u6237\u7cfb\u7edf<\/td>\n<\/tr>\n<tr>\n<td>everysec<\/td>\n<td>\u540e\u53f0\u7ebf\u7a0b\u6bcf\u79d2fsync<\/td>\n<td>\u5ef6\u8fdf\u5747\u8861<\/td>\n<td>\u6700\u591a\u4e221\u79d2\u6570\u636e<\/td>\n<td>\u7edd\u5927\u591a\u6570\u7ebf\u4e0a\u4e1a\u52a1<\/td>\n<\/tr>\n<tr>\n<td>no<\/td>\n<td>\u64cd\u4f5c\u7cfb\u7edf\u51b3\u5b9a\u5237\u76d8\u65f6\u673a<\/td>\n<td>\u5ef6\u8fdf\u6700\u4f4e<\/td>\n<td>\u53ef\u80fd\u4e22\u591a\u79d2\u6570\u636e<\/td>\n<td>\u7eaf\u7f13\u5b58\u3001\u4f1a\u8bdd\u5b58\u50a8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6ce8\u610f&#xff1a; everysec \u867d\u7136\u5237\u76d8\u5728\u540e\u53f0\u7ebf\u7a0b&#xff0c;\u4f46\u78c1\u76d8 I\/O \u7e41\u5fd9\u65f6&#xff0c;\u540e\u53f0\u7ebf\u7a0b\u963b\u585e\u4f1a\u4f20\u5bfc\u5230\u4e3b\u7ebf\u7a0b&#xff0c;\u5bfc\u81f4\u5199\u64cd\u4f5c\u5361\u987f\u3002<\/p>\n<hr \/>\n<h3>\u4e09\u3001\u6027\u80fd\u74f6\u9888\u5256\u6790<\/h3>\n<h4>3.1 \u80cc\u666f\u7ebf\u7a0b\u963b\u585e\u5bfc\u81f4\u4e3b\u7ebf\u7a0b\u5361\u987f<\/h4>\n<ul>\n<li>\u5f53\u540e\u53f0 fsync \u7ebf\u7a0b\u88ab\u78c1\u76d8\u963b\u585e&#xff08;\u5982\u5176\u4ed6\u670d\u52a1\u5199\u6587\u4ef6&#xff09;&#xff0c;\u4e3b\u7ebf\u7a0b\u5199 AOF \u7f13\u51b2\u533a\u65f6\u4f1a\u56e0\u9501\u7ade\u4e89\u88ab\u963b\u585e\u3002<\/li>\n<li>\u5ba2\u6237\u7aef\u611f\u77e5\u5230\u660e\u663e\u5ef6\u8fdf&#xff0c;Redis \u54cd\u5e94\u4ece\u6beb\u79d2\u7ea7\u53d8\u6210\u79d2\u7ea7\u3002<\/li>\n<\/ul>\n<h5>\u6e90\u7801\u6d41\u7a0b\u5173\u952e\u70b9<\/h5>\n<ul>\n<li>bio.c \u8d1f\u8d23\u540e\u53f0 fsync \u4efb\u52a1<\/li>\n<li>\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u540c\u4e00\u6587\u4ef6\u7684 write \u548c fsync \u5b58\u5728\u9501\u7ade\u4e89<\/li>\n<\/ul>\n<h4>3.2 \u5176\u4ed6\u670d\u52a1\u5f71\u54cd<\/h4>\n<ul>\n<li>Redis \u670d\u52a1\u5668\u5982\u90e8\u7f72\u65e5\u5fd7\u6536\u96c6\/\u5907\u4efd\u7b49\u5927\u91cf\u5199\u78c1\u76d8\u7a0b\u5e8f&#xff0c;\u4f1a\u6781\u5927\u62d6\u6162 AOF \u7684\u5237\u76d8\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>\u56db\u3001\u4f18\u5316\u4e0e\u8c03\u4f18\u6280\u5de7<\/h3>\n<h4>4.1 \u907f\u514dAOF\u91cd\u5199\u4e0e\u5237\u76d8\u51b2\u7a81<\/h4>\n<ul>\n<li>Redis \u652f\u6301\u5728 AOF \u91cd\u5199\u671f\u95f4\u4e34\u65f6\u5173\u95ed\u540e\u53f0 fsync&#xff0c;\u51cf\u5c11 I\/O \u7ade\u4e89<\/li>\n<\/ul>\n<p># \u5f00\u542f&#xff1a;AOF\u91cd\u5199\u671f\u95f4\u4e0d\u6267\u884c\u540e\u53f0fsync<br \/>\nconfig set no-appendfsync-on-rewrite yes<\/p>\n<p>\u6743\u8861\u70b9&#xff1a; \u53ef\u80fd\u4e22\u5931\u91cd\u5199\u671f\u95f4\u6240\u6709\u5199\u547d\u4ee4&#xff0c;\u9002\u5408\u5bb9\u5fcd\u6570\u636e\u4e22\u5931\u7684\u573a\u666f<\/p>\n<h4>4.2 \u78c1\u76d8\u8d44\u6e90\u9694\u79bb<\/h4>\n<ul>\n<li>Redis \u670d\u52a1\u5668\u4e13\u673a\u4e13\u7528&#xff0c;\u8fc1\u79fb\u5176\u4ed6\u5199\u78c1\u76d8\u7a0b\u5e8f<\/li>\n<li>\u4e91\u670d\u52a1\u5668\u6302\u8f7d\u4e13\u7528\u78c1\u76d8<\/li>\n<\/ul>\n<h4>4.3 \u5347\u7ea7\u786c\u4ef6<\/h4>\n<ul>\n<li>SSD \u968f\u673a\u5199\u80fd\u529b\u8fdc\u8d85 HDD&#xff0c;fsync \u5ef6\u8fdf\u663e\u8457\u964d\u4f4e<\/li>\n<li>\u5199\u9891\u7e41\/\u4f4e\u5ef6\u8fdf\u4e1a\u52a1\u5fc5\u987b\u7528 SSD<\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e94\u3001\u4e1a\u52a1\u573a\u666f\u4e3e\u4f8b<\/h3>\n<table>\n<tr>\u573a\u666f\u914d\u7f6e\u5efa\u8bae\u4f18\u5316\u91cd\u70b9<\/tr>\n<tbody>\n<tr>\n<td>\u91d1\u878d\u4ea4\u6613<\/td>\n<td>appendfsync always, \u4e13\u7528SSD\u78c1\u76d8<\/td>\n<td>\u6570\u636e\u5b89\u5168\u4f18\u5148<\/td>\n<\/tr>\n<tr>\n<td>\u7535\u5546\u79d2\u6740<\/td>\n<td>appendfsync everysec, \u4f4e\u5cf0AOF\u91cd\u5199&#xff0c;\u78c1\u76d8\u9694\u79bb<\/td>\n<td>\u6027\u80fd\u4e0e\u5b89\u5168\u5747\u8861<\/td>\n<\/tr>\n<tr>\n<td>\u4f1a\u8bdd\u7f13\u5b58<\/td>\n<td>appendfsync no, \u5173\u95edAOF\u91cd\u5199<\/td>\n<td>\u6027\u80fd\u4f18\u5148<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u516d\u3001\u9ad8\u9636\u96c6\u6210\u4e0e\u67b6\u6784\u65b9\u6848<\/h3>\n<table>\n<tr>\u6280\u672f\u6808\u96c6\u6210\u65b9\u5f0f\u9ad8\u9636\u4f18\u5316\u5efa\u8bae<\/tr>\n<tbody>\n<tr>\n<td>K8s\/Docker<\/td>\n<td>\u72ec\u7acb\u6302\u8f7d SSD&#xff0c;\u8d44\u6e90\u9694\u79bb<\/td>\n<td>\u6301\u4e45\u5316\u5377\u4e13\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u4e91 Redis<\/td>\n<td>\u9009\u7528\u652f\u6301 SSD \u7684\u4e91\u670d\u52a1<\/td>\n<td>\u5173\u6ce8\u4e91\u7aef IOPS \u9650\u5236<\/td>\n<\/tr>\n<tr>\n<td>\u5206\u5e03\u5f0f\u7f13\u5b58<\/td>\n<td>\u591a\u5b9e\u4f8b\u5206\u7247&#xff0c;AOF\u91cd\u5199\u9519\u5cf0\u8c03\u5ea6<\/td>\n<td>\u81ea\u52a8\u68c0\u6d4b\u5237\u76d8\u5ef6\u8fdf\u62a5\u8b66<\/td>\n<\/tr>\n<tr>\n<td>\u5fae\u670d\u52a1\u67b6\u6784<\/td>\n<td>Redis\u4e0e\u4e1a\u52a1\u89e3\u8026&#xff0c;\u5f02\u6b65\u961f\u5217\u7f13\u51b2<\/td>\n<td>\u5237\u76d8\u5ef6\u8fdf\u81ea\u52a8\u964d\u7ea7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u4e03\u3001\u5e95\u5c42\u5b9e\u73b0\u4e0e\u67b6\u6784\u6f14\u8fdb<\/h3>\n<ul>\n<li>AOF\u540e\u53f0\u7ebf\u7a0b\u673a\u5236&#xff1a;bio.c\u591a\u7ebf\u7a0b\u5f02\u6b65\u5904\u7406\u5237\u76d8&#xff0c;\u51cf\u5c11\u4e3b\u7ebf\u7a0b\u963b\u585e<\/li>\n<li>AOF\u91cd\u5199\u4f18\u5316&#xff1a;\u51b7\/\u70ed\u6570\u636e\u5206\u79bb&#xff0c;\u51cf\u5c11\u91cd\u5199\u671f\u95f4I\/O\u538b\u529b<\/li>\n<li>SSD\u9002\u914d\u4e0eNUMA\u4f18\u5316&#xff1a;\u63d0\u5347\u5199\u6027\u80fd&#xff0c;\u51cf\u5c11\u9501\u7ade\u4e89<\/li>\n<\/ul>\n<hr \/>\n<h3>\u516b\u3001\u6743\u5a01\u8d44\u6599\u4e0e\u53c2\u8003\u6587\u732e<\/h3>\n<li>Redis \u5b98\u65b9\u6587\u6863&#xff1a;AOF<\/li>\n<li>Linux fsync \u6027\u80fd\u5206\u6790<\/li>\n<hr \/>\n<h3>\u4e5d\u3001\u603b\u7ed3\u4e0e\u7cfb\u7edf\u6027\u8ba4\u77e5<\/h3>\n<p>AOF\u5237\u76d8\u673a\u5236\u662fRedis\u6301\u4e45\u5316\u6027\u80fd\u7684\u5173\u952e\u74f6\u9888\u3002\u7406\u89e3\u4e09\u79cd\u5237\u76d8\u7b56\u7565\u7684\u672c\u8d28\u3001\u6e90\u7801\u5b9e\u73b0\u3001\u4e3b\u7ebf\u7a0b\u4e0e\u540e\u53f0\u7ebf\u7a0b\u7684\u9501\u7ade\u4e89\u6d41\u7a0b&#xff0c;\u662f\u89e3\u51b3\u4e1a\u52a1\u5361\u987f\u7684\u6838\u5fc3\u3002\u901a\u8fc7\u914d\u7f6e\u4f18\u5316\u3001\u8d44\u6e90\u9694\u79bb\u3001\u786c\u4ef6\u5347\u7ea7\u4ee5\u53ca\u67b6\u6784\u89e3\u8026&#xff0c;\u80fd\u6781\u5927\u63d0\u5347 Redis \u5199\u5165\u6027\u80fd\u4e0e\u6570\u636e\u5b89\u5168\u6027\u3002\u638c\u63e1\u539f\u7406&#043;\u6e90\u7801&#043;\u573a\u666f&#043;\u8c03\u4f18&#xff0c;\u624d\u80fd\u8ba9\u4f60\u7684 Redis \u6301\u4e45\u5316\u65e2\u9ad8\u6027\u80fd\u53c8\u9ad8\u53ef\u9760&#xff01;<\/p>\n<hr \/>\n<p>\u901f\u8bb0\u603b\u7ed3&#xff1a;<\/p>\n<p>\u201cAOF\u5237\u76d8\u5206\u4e09\u7b56&#xff0c;always\u6700\u5b89\u5168&#xff0c;everysec\u5747\u8861&#xff0c;no\u6700\u5feb&#xff1b;\u78c1\u76d8I\/O\u82e5\u7e41\u5fd9&#xff0c;\u4e3b\u7ebf\u7a0b\u4e5f\u4f1a\u5361&#xff0c;\u91cd\u5199\u671f\u95f4\u53ef\u6682\u505cfsync&#xff0c;\u4e13\u673a\u4e13\u76d8\u7528SSD&#xff0c;\u573a\u666f\u4f18\u5316\u597d\u67b6\u6784&#xff0c;\u77e5\u5176\u7136\u53c8\u77e5\u6240\u4ee5\u7136\u3002\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb696\u6b21\uff0c\u70b9\u8d5e14\u6b21\uff0c\u6536\u85cf15\u6b21\u3002AOF\u5237\u76d8\u673a\u5236\u662fRedis\u6301\u4e45\u5316\u6027\u80fd\u7684\u5173\u952e\u74f6\u9888\u3002\u7406\u89e3\u4e09\u79cd\u5237\u76d8\u7b56\u7565\u7684\u672c\u8d28\u3001\u6e90\u7801\u5b9e\u73b0\u3001\u4e3b\u7ebf\u7a0b\u4e0e\u540e\u53f0\u7ebf\u7a0b\u7684\u9501\u7ade\u4e89\u6d41\u7a0b\uff0c\u662f\u89e3\u51b3\u4e1a\u52a1\u5361\u987f\u7684\u6838\u5fc3\u3002\u901a\u8fc7\u914d\u7f6e\u4f18\u5316\u3001\u8d44\u6e90\u9694\u79bb\u3001\u786c\u4ef6\u5347\u7ea7\u4ee5\u53ca\u67b6\u6784\u89e3\u8026\uff0c\u80fd\u6781\u5927\u63d0\u5347 Redis \u5199\u5165\u6027\u80fd\u4e0e\u6570\u636e\u5b89\u5168\u6027\u3002\u638c\u63e1\u539f\u7406+\u6e90\u7801+\u573a\u666f+\u8c03\u4f18\uff0c\u624d\u80fd\u8ba9\u4f60\u7684 Redis \u6301\u4e45\u5316\u65e2\u9ad8\u6027\u80fd\u53c8\u9ad8\u53ef\u9760\uff01\u201cAOF\u5237\u76d8\u5206\u4e09\u7b56\uff0calways\u6700\u5b89\u5168\uff0ceverysec\u5747\u8861\uff0cno\u6700\u5feb\uff1b\u78c1\u76d8I\/O\u82e5\u7e41\u5fd9\uff0c\u4e3b\u7ebf\u7a0b\u4e5f\u4f1a\u5361\uff0c\u91cd\u5199\u671f\u95f4\u53ef\u6682\u505cfsync\uff0c\u4e13\u673a\u4e13\u76d8\u7528SSD\uff0c\u573a\u666f\u4f18\u5316\u597d\u67b6\u6784\uff0c\u77e5\u5176\u7136\u53c8\u77e5\u6240\u4ee5\u7136\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[566,105,56],"topic":[],"class_list":["post-53164","post","type-post","status-publish","format-standard","hentry","category-server","tag-bootstrap","tag-redis","tag-56"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Redis AOF\u5237\u76d8\u673a\u5236\u4e0e\u6027\u80fd\u4f18\u5316\u5168\u89e3\uff1a\u539f\u7406\u3001\u6e90\u7801\u3001\u573a\u666f\u3001\u8c03\u4f18\u4e0e\u9ad8\u9636\u65b9\u6848 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/53164.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Redis AOF\u5237\u76d8\u673a\u5236\u4e0e\u6027\u80fd\u4f18\u5316\u5168\u89e3\uff1a\u539f\u7406\u3001\u6e90\u7801\u3001\u573a\u666f\u3001\u8c03\u4f18\u4e0e\u9ad8\u9636\u65b9\u6848 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb696\u6b21\uff0c\u70b9\u8d5e14\u6b21\uff0c\u6536\u85cf15\u6b21\u3002AOF\u5237\u76d8\u673a\u5236\u662fRedis\u6301\u4e45\u5316\u6027\u80fd\u7684\u5173\u952e\u74f6\u9888\u3002\u7406\u89e3\u4e09\u79cd\u5237\u76d8\u7b56\u7565\u7684\u672c\u8d28\u3001\u6e90\u7801\u5b9e\u73b0\u3001\u4e3b\u7ebf\u7a0b\u4e0e\u540e\u53f0\u7ebf\u7a0b\u7684\u9501\u7ade\u4e89\u6d41\u7a0b\uff0c\u662f\u89e3\u51b3\u4e1a\u52a1\u5361\u987f\u7684\u6838\u5fc3\u3002\u901a\u8fc7\u914d\u7f6e\u4f18\u5316\u3001\u8d44\u6e90\u9694\u79bb\u3001\u786c\u4ef6\u5347\u7ea7\u4ee5\u53ca\u67b6\u6784\u89e3\u8026\uff0c\u80fd\u6781\u5927\u63d0\u5347 Redis \u5199\u5165\u6027\u80fd\u4e0e\u6570\u636e\u5b89\u5168\u6027\u3002\u638c\u63e1\u539f\u7406+\u6e90\u7801+\u573a\u666f+\u8c03\u4f18\uff0c\u624d\u80fd\u8ba9\u4f60\u7684 Redis 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name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/53164.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/53164.html\",\"name\":\"Redis AOF\u5237\u76d8\u673a\u5236\u4e0e\u6027\u80fd\u4f18\u5316\u5168\u89e3\uff1a\u539f\u7406\u3001\u6e90\u7801\u3001\u573a\u666f\u3001\u8c03\u4f18\u4e0e\u9ad8\u9636\u65b9\u6848 - 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