{"id":48,"date":"2025-07-25T14:07:35","date_gmt":"2025-07-25T06:07:35","guid":{"rendered":"https:\/\/yijiwen.cn\/?p=48"},"modified":"2025-07-25T14:07:35","modified_gmt":"2025-07-25T06:07:35","slug":"%e6%95%b0%e6%8d%ae%e6%8c%81%e4%b9%85%e5%8c%96%e5%8f%8c%e8%8c%83%e5%bc%8f%ef%bc%9ardb%e5%bf%ab%e7%85%a7%e4%b8%8eaof%e6%97%a5%e5%bf%97%e8%bf%bd%e5%8a%a0%e7%9a%84%e5%af%b9%e6%af%94%e4%b8%8e%e5%ae%9e","status":"publish","type":"post","link":"https:\/\/yijiwen.cn\/?p=48","title":{"rendered":"\u6570\u636e\u6301\u4e45\u5316\u53cc\u8303\u5f0f\uff1aRDB\u5feb\u7167\u4e0eAOF\u65e5\u5fd7\u8ffd\u52a0\u7684\u5bf9\u6bd4\u4e0e\u5b9e\u8df5"},"content":{"rendered":"\n<p>\u200b<\/p>\n\n\n\n<p>\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u67b6\u6784\u4e2d\uff0c\u6570\u636e\u6301\u4e45\u5316\u662f\u4fdd\u969c\u7cfb\u7edf\u97e7\u6027\u7684\u6838\u5fc3\u652f\u67f1\u3002\u5f53\u670d\u52a1\u5668\u7a81\u7136\u5b95\u673a\u3001\u7535\u6e90\u4e2d\u65ad\u6216\u906d\u9047\u7f51\u7edc\u653b\u51fb\u65f6\uff0c\u80fd\u5426\u5feb\u901f\u6062\u590d\u6570\u636e\u5e76\u6700\u5c0f\u5316\u635f\u5931\uff0c\u76f4\u63a5\u53d6\u51b3\u4e8e\u6301\u4e45\u5316\u7b56\u7565\u7684\u8bbe\u8ba1\u3002<\/p>\n\n\n\n<p>\u76ee\u524d\u884c\u4e1a\u5185\u4e3b\u6d41\u7684\u4e24\u79cd\u6301\u4e45\u5316\u8303\u5f0f \u2014\u2014\u5feb\u7167\u6301\u4e45\u5316\uff08RDB\uff09\u4e0e\u65e5\u5fd7\u8ffd\u52a0\u6301\u4e45\u5316\uff08AOF\uff09\uff0c\u5728\u53ef\u9760\u6027\u3001\u6027\u80fd\u4e0e\u6210\u672c\u4e4b\u95f4\u5448\u73b0\u51fa\u9c9c\u660e\u7684\u6280\u672f\u53d6\u820d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u5feb\u7167\u6301\u4e45\u5316\uff08RDB\uff09\uff1a\u4e8c\u8fdb\u5236\u5feb\u7167\u7684 &#8220;\u65f6\u95f4\u5207\u7247&#8221; \u827a\u672f<\/h2>\n\n\n\n<p>\u5feb\u7167\u6301\u4e45\u5316\u7684\u672c\u8d28\u662f\u5bf9\u5185\u5b58\u6570\u636e\u8fdb\u884c &#8220;\u62cd\u7167\u5b58\u6863&#8221;\u2014\u2014 \u5728\u7279\u5b9a\u65f6\u95f4\u70b9\u5c06\u5185\u5b58\u4e2d\u7684\u5b8c\u6574\u6570\u636e\u96c6\u4ee5\u4e8c\u8fdb\u5236\u683c\u5f0f\u5199\u5165\u78c1\u76d8\u3002\u8fd9\u79cd\u65b9\u5f0f\u5982\u540c\u7ed9\u6570\u636e\u72b6\u6001\u62cd\u4e86\u4e00\u5f20\u9ad8\u6e05\u7167\u7247\uff0c\u6062\u590d\u65f6\u53ea\u9700\u5c06\u7167\u7247 &#8220;\u51b2\u5370&#8221; \u56de\u5185\u5b58\u5373\u53ef\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1\u3001\u5e95\u5c42\u539f\u7406\u4e0e\u5178\u578b\u5b9e\u73b0<\/h3>\n\n\n\n<p>\u5feb\u7167\u6301\u4e45\u5316\u7684\u6838\u5fc3\u673a\u5236\u662f\u5199\u65f6\u590d\u5236\uff08Copy-On-Write\uff09\uff1a\u5f53\u9700\u8981\u751f\u6210\u5feb\u7167\u65f6\uff0c\u7cfb\u7edf\u4f1a fork \u4e00\u4e2a\u5b50\u8fdb\u7a0b\u8d1f\u8d23\u6570\u636e\u5199\u5165\uff0c\u4e3b\u7ebf\u7a0b\u7ee7\u7eed\u5904\u7406\u65b0\u8bf7\u6c42\u3002\u5b50\u8fdb\u7a0b\u8bfb\u53d6\u5185\u5b58\u6570\u636e\u5e76\u5199\u5165\u78c1\u76d8\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4e3b\u7ebf\u7a0b\u82e5\u4fee\u6539\u6570\u636e\uff0c\u4f1a\u89e6\u53d1\u5185\u5b58\u9875\u7684\u590d\u5236\uff0c\u786e\u4fdd\u5b50\u8fdb\u7a0b\u5199\u5165\u7684\u662f\u5feb\u7167\u65f6\u523b\u7684\u4e00\u81f4\u6027\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u4ee3\u8868\u6027\u5b9e\u73b0\u4e2d\uff0cRedis RDB \u548c MySQL Dump \u6700\u4e3a\u5178\u578b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Redis RDB \u901a\u8fc7save\u6216bgsave\u547d\u4ee4\u89e6\u53d1\uff0c\u652f\u6301\u57fa\u4e8e\u65f6\u95f4\u548c\u4fee\u6539\u6b21\u6570\u7684\u6df7\u5408\u89e6\u53d1\u7b56\u7565\uff08\u5982save 900 1\u8868\u793a 900 \u79d2\u5185\u6709 1 \u6b21\u4fee\u6539\u5373\u89e6\u53d1\uff09\uff1b<\/li>\n\n\n\n<li>MySQL Dump \u901a\u8fc7mysqldump\u5de5\u5177\u751f\u6210 SQL \u6587\u4ef6\uff0c\u672c\u8d28\u662f\u5bf9\u5f53\u524d\u6570\u636e\u5e93\u72b6\u6001\u7684\u903b\u8f91\u5feb\u7167\uff0c\u53ef\u901a\u8fc7&#8211;single-transaction\u53c2\u6570\u4fdd\u8bc1 InnoDB \u8868\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2\u3001\u6280\u672f\u4f18\u52bf\uff1a\u901f\u5ea6\u4e0e\u6548\u7387\u7684\u5e73\u8861<\/h3>\n\n\n\n<p>\u5feb\u7167\u6301\u4e45\u5316\u7684\u4f18\u52bf\u96c6\u4e2d\u4f53\u73b0\u5728\u6062\u590d\u901f\u5ea6\u4e0e\u5b58\u50a8\u6548\u7387\u4e0a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6062\u590d\u901f\u5ea6\u6781\u5feb\uff1a\u4e8c\u8fdb\u5236\u6587\u4ef6\u53ef\u76f4\u63a5\u52a0\u8f7d\u5230\u5185\u5b58\uff0cRedis \u5b98\u65b9\u6d4b\u8bd5\u663e\u793a\uff0c10GB \u6570\u636e\u7684 RDB \u6062\u590d\u4ec5\u9700 10-20 \u79d2\uff0c\u800c\u540c\u7b49\u6570\u636e\u91cf\u7684 AOF \u6062\u590d\u53ef\u80fd\u9700\u8981\u6570\u5c0f\u65f6\uff1b<\/li>\n\n\n\n<li>\u5b58\u50a8\u6210\u672c\u4f4e\uff1a\u4e8c\u8fdb\u5236\u538b\u7f29\u683c\u5f0f\u5927\u5e45\u8282\u7701\u7a7a\u95f4\uff0cRedis RDB \u6587\u4ef6\u901a\u5e38\u6bd4\u5185\u5b58\u6570\u636e\u5c0f 30%-50%\uff0c\u8fdc\u4f4e\u4e8e\u672a\u538b\u7f29\u7684\u65e5\u5fd7\u6587\u4ef6\uff1b<\/li>\n\n\n\n<li>\u6027\u80fd\u5f71\u54cd\u53ef\u63a7\uff1a\u901a\u8fc7bgsave\uff08Redis\uff09\u6216\u540e\u53f0 dump\uff08MySQL\uff09\u5b9e\u73b0\uff0c\u4e3b\u7ebf\u7a0b\u4ec5\u5728 fork \u5b50\u8fdb\u7a0b\u65f6\u77ed\u6682\u963b\u585e\uff08\u5fae\u79d2\u7ea7\uff09\uff0c\u5bf9\u5728\u7ebf\u670d\u52a1\u5f71\u54cd\u6781\u5c0f\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3\u3001\u56fa\u6709\u5c40\u9650\uff1a\u6570\u636e\u4e00\u81f4\u6027\u7684 &#8220;\u65f6\u95f4\u7a97\u53e3&#8221;<\/h3>\n\n\n\n<p>\u5feb\u7167\u7684\u6700\u5927\u77ed\u677f\u662f\u6570\u636e\u4e22\u5931\u98ce\u9669\u3002\u7531\u4e8e\u5feb\u7167\u662f\u5468\u671f\u6027\u751f\u6210\u7684\uff0c\u4e24\u6b21\u5feb\u7167\u4e4b\u95f4\u7684\u6240\u6709\u66f4\u65b0\u5728\u5b95\u673a\u65f6\u90fd\u4f1a\u4e22\u5931\u3002\u4f8b\u5982 Redis \u9ed8\u8ba4\u914d\u7f6e\u4e2d\uff0c\u6700\u5feb\u7684\u5feb\u7167\u89e6\u53d1\u6761\u4ef6\u662f 300 \u79d2\u5185 10 \u6b21\u4fee\u6539\uff0c\u610f\u5473\u7740\u6781\u7aef\u60c5\u51b5\u4e0b\u53ef\u80fd\u4e22\u5931\u8fd1 5 \u5206\u949f\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u5f53\u5185\u5b58\u6570\u636e\u91cf\u8d85\u8fc7 10GB \u65f6\uff0cfork \u5b50\u8fdb\u7a0b\u590d\u5236\u9875\u8868\u53ef\u80fd\u5bfc\u81f4\u4e3b\u7ebf\u7a0b\u963b\u585e\u6570\u767e\u6beb\u79d2 \u2014\u2014 \u8fd9\u5bf9\u6beb\u79d2\u7ea7\u54cd\u5e94\u8981\u6c42\u7684\u91d1\u878d\u4ea4\u6613\u7cfb\u7edf\u800c\u8a00\uff0c\u53ef\u80fd\u6210\u4e3a\u6027\u80fd\u74f6\u9888\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u65e5\u5fd7\u8ffd\u52a0\u6301\u4e45\u5316\uff08AOF\uff09\uff1a\u64cd\u4f5c\u8f68\u8ff9\u7684 &#8220;\u5168\u91cf\u8bb0\u5f55&#8221;<\/h2>\n\n\n\n<p>\u4e0e\u5feb\u7167\u7684 &#8220;\u72b6\u6001\u5b58\u6863&#8221; \u4e0d\u540c\uff0c\u65e5\u5fd7\u8ffd\u52a0\u6301\u4e45\u5316\u91c7\u7528\u64cd\u4f5c\u8bb0\u5f55\u601d\u8def\uff1a\u5c06\u6240\u6709\u6570\u636e\u53d8\u66f4\u4ee5\u65e5\u5fd7\u5f62\u5f0f\u6309\u987a\u5e8f\u5199\u5165\u78c1\u76d8\uff0c\u6062\u590d\u65f6\u901a\u8fc7\u91cd\u653e\u65e5\u5fd7\u91cd\u5efa\u6570\u636e\u72b6\u6001\u3002\u8fd9\u79cd\u65b9\u5f0f\u66f4\u63a5\u8fd1 &#8220;\u8bb0\u8d26\u672c&#8221; \u7684\u5de5\u4f5c\u6a21\u5f0f\uff0c\u6bcf\u4e00\u7b14\u4ea4\u6613\u90fd\u88ab\u5b8c\u6574\u8bb0\u5f55\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1\u3001\u5b9e\u73b0\u903b\u8f91\u4e0e\u884c\u4e1a\u5b9e\u8df5<\/h3>\n\n\n\n<p>\u65e5\u5fd7\u8ffd\u52a0\u7684\u6838\u5fc3\u662f\u987a\u5e8f\u5199\u76d8\u2014\u2014 \u76f8\u6bd4\u968f\u673a\u5199\uff0c\u987a\u5e8f\u5199\u80fd\u6700\u5927\u5316\u5229\u7528\u78c1\u76d8 IO \u6027\u80fd\u3002\u4e3b\u6d41\u5b9e\u73b0\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Redis AOF\uff1a\u8bb0\u5f55\u6240\u6709\u4fee\u6539\u547d\u4ee4\uff08\u5982set key value\uff09\uff0c\u652f\u6301appendfsync\u53c2\u6570\u63a7\u5236\u5237\u76d8\u7b56\u7565\uff1b<\/li>\n\n\n\n<li>MySQL Binlog\uff1a\u8bb0\u5f55\u6570\u636e\u53d8\u66f4\u7684\u903b\u8f91\u64cd\u4f5c\uff08\u5982insert\/update\uff09\uff0c\u662f\u4e3b\u4ece\u590d\u5236\u7684\u6838\u5fc3\u7ec4\u4ef6\uff1b<\/li>\n\n\n\n<li>LevelDB WAL\uff08Write-Ahead Log\uff09\uff1a\u5199\u5165\u6570\u636e\u524d\u5148\u8bb0\u5f55\u65e5\u5fd7\uff0c\u786e\u4fdd\u5d29\u6e83\u540e\u80fd\u6062\u590d\u672a\u6301\u4e45\u5316\u7684\u5185\u5b58\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u4ee5 Redis AOF \u4e3a\u4f8b\uff0cappendfsync everysec\uff08\u6bcf\u79d2\u5237\u76d8\uff09\u662f\u884c\u4e1a\u63a8\u8350\u914d\u7f6e\uff1a\u65e2\u901a\u8fc7\u64cd\u4f5c\u7cfb\u7edf\u7f13\u5b58\u51cf\u5c11 IO \u538b\u529b\uff0c\u53c8\u5c06\u6570\u636e\u4e22\u5931\u63a7\u5236\u5728 1 \u79d2\u5185\uff0c\u5b9e\u73b0\u53ef\u9760\u6027\u4e0e\u6027\u80fd\u7684\u5e73\u8861\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2\u3001\u6838\u5fc3\u4f18\u52bf\uff1a\u6570\u636e\u53ef\u9760\u6027\u7684 &#8220;\u62a4\u57ce\u6cb3&#8221;<\/h3>\n\n\n\n<p>\u65e5\u5fd7\u8ffd\u52a0\u7684\u6700\u5927\u4ef7\u503c\u662f\u6570\u636e\u9ad8\u5b8c\u6574\u6027\u3002\u901a\u8fc7\u914d\u7f6e\u5237\u76d8\u7b56\u7565\uff0c\u53ef\u5b9e\u73b0\u63a5\u8fd1\u96f6\u4e22\u5931\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>appendfsync always\uff08\u6bcf\u6761\u547d\u4ee4\u5237\u76d8\uff09\uff1a\u7406\u8bba\u4e0a\u6700\u591a\u4e22\u5931 1 \u6761\u547d\u4ee4\uff0c\u9002\u5408\u91d1\u878d\u652f\u4ed8\u7b49\u5f3a\u4e00\u81f4\u6027\u573a\u666f\uff1b<\/li>\n\n\n\n<li>\u53ef\u8ffd\u6eaf\u6027\uff1a\u65e5\u5fd7\u6587\u4ef6\u5b8c\u6574\u8bb0\u5f55\u64cd\u4f5c\u8f68\u8ff9\uff0c\u4fbf\u4e8e\u5ba1\u8ba1\u548c\u95ee\u9898\u6392\u67e5\u3002\u4f8b\u5982 MySQL \u901a\u8fc7 Binlog \u53ef\u5b9a\u4f4d\u67d0\u6761\u9519\u8bef\u66f4\u65b0\u7684\u7cbe\u786e\u65f6\u95f4\u70b9\uff1b<\/li>\n\n\n\n<li>\u7ec6\u7c92\u5ea6\u6062\u590d\uff1a\u652f\u6301\u65e5\u5fd7\u622a\u53d6\uff08\u5982 Redis \u7684redis-check-aof\u5de5\u5177\uff09\uff0c\u53ef\u8df3\u8fc7\u8bef\u64cd\u4f5c\u547d\u4ee4\uff08\u5982flushall\uff09\uff0c\u8fd9\u662f\u5feb\u7167\u65e0\u6cd5\u5b9e\u73b0\u7684\u5bb9\u707e\u80fd\u529b\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3\u3001\u6027\u80fd\u6311\u6218\uff1a\u65e5\u5fd7\u81a8\u80c0\u4e0e IO \u538b\u529b<\/h3>\n\n\n\n<p>\u65e5\u5fd7\u8ffd\u52a0\u7684\u77ed\u677f\u96c6\u4e2d\u5728\u5b58\u50a8\u4e0e\u6062\u590d\u6210\u672c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65e5\u5fd7\u4f53\u79ef\u81a8\u80c0\u5feb\uff1a\u672a\u538b\u7f29\u7684 AOF \u6587\u4ef6\u4f53\u79ef\u901a\u5e38\u662f\u5185\u5b58\u6570\u636e\u7684 2-5 \u500d\uff0cMySQL Binlog \u957f\u671f\u8fd0\u884c\u540e\u4e5f\u53ef\u80fd\u8fbe\u5230 TB \u7ea7\uff1b<\/li>\n\n\n\n<li>\u6062\u590d\u901f\u5ea6\u6162\uff1a\u9700\u9010\u6761\u91cd\u653e\u65e5\u5fd7\uff0c10GB \u6570\u636e\u7684 AOF \u6062\u590d\u53ef\u80fd\u8017\u65f6\u6570\u5c0f\u65f6\uff0c\u8fdc\u4e0d\u53ca\u5feb\u7167\u7684\u79d2\u7ea7\u52a0\u8f7d\uff1b<\/li>\n\n\n\n<li>\u957f\u671f\u6027\u80fd\u8870\u51cf\uff1a\u9891\u7e41\u5237\u76d8\uff08\u5c24\u5176\u662falways\u6a21\u5f0f\uff09\u4f1a\u5360\u7528\u5927\u91cf IO \u8d44\u6e90\uff0c\u5bfc\u81f4\u541e\u5410\u91cf\u4e0b\u964d\u3002Redis \u5b98\u65b9\u6d4b\u8bd5\u663e\u793a\uff0calways\u6a21\u5f0f\u4e0b\u5199\u5165\u6027\u80fd\u6bd4no\u6a21\u5f0f\u4f4e 30%-50%\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u6280\u672f\u5bf9\u51b3\uff1a\u5173\u952e\u7ef4\u5ea6\u7684\u6a2a\u5411\u5bf9\u6bd4<\/h2>\n\n\n\n<p>\u4e3a\u66f4\u6e05\u6670\u5730\u5448\u73b0\u4e24\u79cd\u8303\u5f0f\u7684\u5dee\u5f02\uff0c\u4ece\u5b9e\u6218\u89d2\u5ea6\u6784\u5efa\u5bf9\u6bd4\u77e9\u9635\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"757\" height=\"356\" src=\"https:\/\/yijiwen.cn\/wordpress\/wp-content\/uploads\/2025\/07\/Snipaste_2025-07-25_13-38-16.png\" alt=\"\" class=\"wp-image-49\"\/><\/figure>\n\n\n\n<p>\u6570\u636e\u6765\u6e90\uff1aRedis \u5b98\u65b9\u6587\u6863\u3001MySQL \u6027\u80fd\u6d4b\u8bd5\u62a5\u544a\uff082024\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u6df7\u5408\u6301\u4e45\u5316\uff1a\u53d6\u957f\u8865\u77ed\u7684\u5de5\u4e1a\u7ea7\u65b9\u6848<\/h2>\n\n\n\n<p>\u5355\u4e00\u8303\u5f0f\u96be\u4ee5\u6ee1\u8db3\u590d\u6742\u573a\u666f\u9700\u6c42\uff0c\u56e0\u6b64\u884c\u4e1a\u9010\u6e10\u8f6c\u5411\u6df7\u5408\u6301\u4e45\u5316\u2014\u2014 \u4ee5\u5feb\u7167\u4e3a\u57fa\u51c6\uff0c\u65e5\u5fd7\u8bb0\u5f55\u589e\u91cf\u66f4\u65b0\uff0c\u7ed3\u5408\u4e24\u8005\u4f18\u52bf\u3002Redis 4.0 \u63a8\u51fa\u7684\u6df7\u5408 AOF \u6a21\u5f0f\uff08aof-use-rdb-preamble yes\uff09\u662f\u5178\u578b\u4ee3\u8868\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1\u3001\u8fd0\u4f5c\u673a\u5236\uff1a\u53cc\u5f15\u64ce\u9a71\u52a8<\/h3>\n\n\n\n<p>\u6df7\u5408\u6301\u4e45\u5316\u7684\u6838\u5fc3\u6d41\u7a0b\u5305\u62ec\uff1a<\/p>\n\n\n\n<p>1) \u5b9a\u671f\u751f\u6210 RDB \u5feb\u7167\u4f5c\u4e3a\u57fa\u51c6\u6570\u636e\uff08\u5982\u6bcf 6 \u5c0f\u65f6\uff09\uff1b<\/p>\n\n\n\n<p>2) \u4e24\u6b21\u5feb\u7167\u4e4b\u95f4\u7684\u4fee\u6539\u4ee5 AOF \u65e5\u5fd7\u5f62\u5f0f\u8ffd\u52a0\uff1b<\/p>\n\n\n\n<p>3) \u6062\u590d\u65f6\u5148\u52a0\u8f7d RDB\uff08\u79d2\u7ea7\uff09\uff0c\u518d\u91cd\u653e\u589e\u91cf AOF\uff08\u4ec5\u5904\u7406\u5feb\u7167\u540e\u7684\u64cd\u4f5c\uff09\u3002<\/p>\n\n\n\n<p>\u8fd9\u79cd\u8bbe\u8ba1\u5c06\u6062\u590d\u65f6\u95f4\u4ece\u7eaf AOF \u7684\u5c0f\u65f6\u7ea7\u538b\u7f29\u81f3\u5206\u949f\u7ea7\uff0c\u540c\u65f6\u6570\u636e\u4e22\u5931\u63a7\u5236\u5728 1 \u79d2\u5185\uff08\u4f9d\u8d56 AOF \u7684everysec\u914d\u7f6e\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2\u3001\u5b9e\u6218\u4ef7\u503c\uff1a\u6027\u80fd\u4e0e\u53ef\u9760\u6027\u7684\u5e73\u8861<\/h3>\n\n\n\n<p>\u6839\u636e Redis \u5b98\u65b9\u6d4b\u8bd5\uff0c\u6df7\u5408\u6a21\u5f0f\u76f8\u6bd4\u7eaf AOF\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6062\u590d\u901f\u5ea6\u63d0\u5347 80%\uff08100GB \u6570\u636e\u4ece 5 \u5c0f\u65f6\u7f29\u77ed\u81f3 1 \u5c0f\u65f6\uff09\uff1b<\/li>\n\n\n\n<li>\u65e5\u5fd7\u4f53\u79ef\u51cf\u5c11 60%\uff08\u589e\u91cf AOF \u66ff\u4ee3\u5168\u91cf\u65e5\u5fd7\uff09\uff1b<\/li>\n\n\n\n<li>\u91cd\u5199\u9891\u7387\u964d\u4f4e\uff08RDB \u57fa\u51c6\u51cf\u5c11 AOF \u91cd\u5199\u6b21\u6570\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u76ee\u524d\uff0c\u6df7\u5408\u6301\u4e45\u5316\u5df2\u6210\u4e3a\u4e92\u8054\u7f51\u540e\u7aef\u7684\u4e3b\u6d41\u9009\u62e9 \u2014\u2014 \u65e2\u6ee1\u8db3\u7535\u5546\u79d2\u6740\u7684\u9ad8\u53ef\u7528\u9700\u6c42\uff0c\u53c8\u80fd\u5e94\u5bf9\u7a81\u53d1\u5b95\u673a\u7684\u5feb\u901f\u6062\u590d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u9009\u578b\u6307\u5357\uff1a\u573a\u666f\u51b3\u5b9a\u6280\u672f\u8def\u7ebf<\/h2>\n\n\n\n<p>\u6570\u636e\u6301\u4e45\u5316\u6ca1\u6709 &#8220;\u94f6\u5f39&#8221;\uff0c\u9700\u7ed3\u5408\u4e1a\u52a1\u573a\u666f\u51b3\u7b56\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bfb\u591a\u5199\u5c11 + \u5141\u8bb8\u6570\u636e\u4e22\u5931\uff1a\u5982\u7f13\u5b58\u7cfb\u7edf\uff08Redis\uff09\uff0c\u9009 RDB \u5feb\u7167\uff0c\u4f18\u5148\u4fdd\u969c\u6062\u590d\u901f\u5ea6\u548c\u5b58\u50a8\u6548\u7387\uff1b<\/li>\n\n\n\n<li>\u5f3a\u4e00\u81f4\u6027 + \u4f4e\u5ef6\u8fdf\u5bb9\u5fcd\uff1a\u5982\u91d1\u878d\u4ea4\u6613\uff0c\u9009 AOF\uff08everysec\uff09+ SSD\uff0c\u901a\u8fc7\u786c\u4ef6\u63d0\u5347 IO \u6027\u80fd\uff1b<\/li>\n\n\n\n<li>\u5e73\u8861\u9700\u6c42 + \u4e2d\u5927\u89c4\u6a21\u6570\u636e\uff1a\u9009\u6df7\u5408\u6301\u4e45\u5316\uff08Redis 4.0+\uff09\uff0c\u517c\u987e\u53ef\u9760\u6027\u4e0e\u6062\u590d\u6548\u7387\uff1b<\/li>\n\n\n\n<li>\u8d85\u5927\u89c4\u6a21\u5206\u5e03\u5f0f\u7cfb\u7edf\uff1a\u5982 Cassandra\uff0c\u91c7\u7528 SSTable\uff08\u5feb\u7167\u53d8\u79cd\uff09+ CommitLog\uff08\u65e5\u5fd7\uff09\uff0c\u5b9e\u73b0\u5206\u7247\u7ea7\u6301\u4e45\u5316\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u603b\u7ed3\uff1a\u6280\u672f\u53d6\u820d\u7684\u672c\u8d28\u662f\u573a\u666f\u9002\u914d<\/h2>\n\n\n\n<p>\u5feb\u7167\u4e0e\u65e5\u5fd7\u8ffd\u52a0\u7684\u535a\u5f08\uff0c\u672c\u8d28\u662f\u6027\u80fd\u4e0e\u53ef\u9760\u6027\u7684\u6743\u8861\u3002\u5feb\u7167\u4ee5\u65f6\u95f4\u6362\u7a7a\u95f4\uff0c\u65e5\u5fd7\u4ee5\u7a7a\u95f4\u6362\u5b8c\u6574\u6027\uff0c\u800c\u6df7\u5408\u6a21\u5f0f\u5219\u662f\u5de5\u4e1a\u754c\u5bf9\u8fd9\u79cd\u6743\u8861\u7684\u6700\u4f18\u89e3\u3002<\/p>\n\n\n\n<p>\u968f\u7740\u5206\u5e03\u5f0f\u6280\u672f\u7684\u53d1\u5c55\uff0c\u6301\u4e45\u5316\u65b9\u6848\u8fd8\u5728\u6301\u7eed\u8fdb\u5316 \u2014\u2014 \u4ece\u5355\u673a\u7684 RDB\/AOF\uff0c\u5230\u5206\u5e03\u5f0f\u7684\u591a\u526f\u672c\u65e5\u5fd7\u540c\u6b65\uff08\u5982 etcd \u7684 Raft \u534f\u8bae\uff09\uff0c\u6838\u5fc3\u76ee\u6807\u59cb\u7ec8\u4e0d\u53d8\uff1a\u5728\u6545\u969c\u53d1\u751f\u65f6\uff0c\u7528\u6700\u5c0f\u7684\u6210\u672c\u5b88\u62a4\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002\u7406\u89e3\u4e24\u79cd\u8303\u5f0f\u7684\u5e95\u5c42\u903b\u8f91\uff0c\u624d\u80fd\u5728\u590d\u6742\u4e1a\u52a1\u573a\u666f\u4e2d\u505a\u51fa\u7cbe\u51c6\u7684\u6280\u672f\u51b3\u7b56\u3002 \u200b<\/p>\n\n\n\n<p>\u200b<\/p>\n\n\n\n<p>\u516c\u4f17\u53f7-<a href=\"https:\/\/mp.weixin.qq.com\/s\/QjZzYy9YJVKm0FbVHsm-ZQ\">\u4e00\u51e0\u6587<\/a>\uff0c\u6b22\u8fce\u5173\u6ce8\u3002 \u200b<\/p>\n\n\n\n<p>CSDN-<a href=\"https:\/\/blog.csdn.net\/xiangwangxiangwang\">\u4e00\u51e0\u6587<\/a>\uff0c\u6b22\u8fce\u5173\u6ce8\u3002<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u67b6\u6784\u4e2d\uff0c\u6570\u636e\u6301\u4e45\u5316\u662f\u4fdd\u969c\u7cfb\u7edf\u97e7\u6027\u7684\u6838\u5fc3\u652f\u67f1\u3002\u5f53\u670d\u52a1\u5668\u7a81\u7136\u5b95\u673a\u3001\u7535\u6e90\u4e2d\u65ad\u6216\u906d\u9047\u7f51\u7edc\u653b\u51fb\u65f6\uff0c\u80fd\u5426\u5feb\u901f\u6062\u590d\u6570\u636e\u5e76\u6700\u5c0f\u5316\u635f\u5931\uff0c\u76f4\u63a5\u53d6\u51b3\u4e8e\u6301\u4e45\u5316\u7b56\u7565\u7684\u8bbe\u8ba1\u3002<\/p>\n<p>\u76ee\u524d\u884c\u4e1a\u5185\u4e3b\u6d41\u7684\u4e24\u79cd\u6301\u4e45\u5316\u8303\u5f0f 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