{"id":5804,"date":"2018-08-15T23:15:45","date_gmt":"2018-08-15T15:15:45","guid":{"rendered":"http:\/\/www.orczhou.com\/?p=5804"},"modified":"2019-12-20T13:35:08","modified_gmt":"2019-12-20T05:35:08","slug":"a-test-of-aurora-serverless-mysql","status":"publish","type":"post","link":"https:\/\/www.orczhou.com\/index.php\/2018\/08\/a-test-of-aurora-serverless-mysql\/","title":{"rendered":"\u5b9e\u6d4bAurora Serverless MySQL"},"content":{"rendered":"<p>\u524d\u51e0\u5929<a href=\"https:\/\/aws.amazon.com\/blogs\/aws\/aurora-serverless-ga\/\" rel=\"noopener\" target=\"_blank\">Aurora Serverless\u6b63\u5f0fGA<\/a>\uff0c \u7b2c\u4e00\u65f6\u95f4\u4f53\u9a8c\u4e86\u4e00\u4e0b\uff0c\u770b\u770b\u5230\u5e95\u600e\u6837\u3002<\/p>\n\n<h3>\u6982\u8ff0<\/h3>\n<p><a href=\"https:\/\/aws.amazon.com\/lambda\/\" rel=\"noopener\" target=\"_blank\">Lambda<\/a>\u7684\u65e0\u670d\u52a1\u6280\u672f\u662fAWS\u5728\u4e91\u4ea7\u54c1\u5f62\u6001\u4e0a\u7684\u4e00\u6b21\u91cd\u5927\u521b\u65b0\uff0c\u5b83\u628a\u4e91\u8ba1\u7b97\u6700\u91cd\u8981\u7684\u201c\u5f39\u6027\u201d\u80fd\u529b\u518d\u5411\u524d\u63a8\u4e86\u4e00\u6b65\u3002Aurora Serverless MySQL\u662fServerless\u6280\u672f\u5728\u6570\u636e\u5e93\u4e0a\u7684\u5e94\u7528\u3002Aurora Serverless\u7406\u5ff5\u975e\u5e38\u597d\uff0c\u957f\u8fdc\u6765\u770b\uff0c\u5bf9\u4e8e\u7528\u6237\u6765\u8bf4\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u7cfb\u7edf\u538b\u529b\u8fdb\u884c\u7ed3\u7b97\uff0c\u6bd4\u4e00\u6b21\u6027\u8d2d\u4e70\u9884\u7559\u5b9e\u4f8b\u66f4\u52a0\u5b9e\u60e0\u3002\u8fd9\u662f\u4e91\u8ba1\u7b97\uff0c\u5bf9\u4e8e\u201c\u5f39\u6027\u201d\u6982\u5ff5\u7684\u53c8\u4e00\u6b21\u5347\u7ea7\u3002<\/p>\n<p>\u5bf9\u4e8e\u4e91\u5382\u5546\u6765\u8bf4\uff0c\u5f53\u4e91\u7684\u89c4\u6a21\u8db3\u591f\u5927\u65f6\uff0c\u76f8\u6bd4\u4f7f\u7528\u9884\u7559\u5b9e\u4f8b\u7684\u65b9\u5f0f\uff0c\u901a\u8fc7\u8fd9\u79cd\u7cfb\u7edf\u63a7\u5236\u7684\u81ea\u52a8\u5f39\u6027\u80fd\u529b\uff0c\u53ef\u4ee5\u6781\u5927\u63d0\u9ad8\u6574\u4f53\u7684\u7cfb\u7edf\u5229\u7528\u7387\u3002\u4e00\u4e2a\u7b80\u5355\u3001\u6781\u7aef\u4f46\u662f\u53ef\u4ee5\u8bf4\u660e\u6548\u679c\u7684\u4f8b\u5b50\u662f\u8fd9\u6837\u7684\uff1a\u5982\u679c\u6709\u4e24\u5957\u7cfb\u7edf\uff0c\u4e00\u5957\u662f\u670d\u52a1\u4e1c\u534a\u7403\u7684\u7528\u6237\uff0c\u4e00\u5957\u662f\u670d\u52a1\u897f\u534a\u7403\u7684\u7528\u6237\uff0c\u90a3\u4e48\u76f8\u6bd4\u7ed9\u4e24\u5957\u7cfb\u7edf\u90fd\u9884\u7559\u6700\u5927\u8981\u6c42\u5bb9\u91cf\u7684\u8d44\u6e90\uff0c\u8fd9\u79cd\u5168\u81ea\u52a8\u7684\u5f39\u6027\u53ef\u80fd\u53ea\u9700\u8981\u4f7f\u752875%\u6216\u8005\u66f4\u5c11\u7684\u8d44\u6e90\uff08\u6700\u4f4e\u662f50%\uff09\uff0c\u5c31\u53ef\u4ee5\u670d\u52a1\u597d\u8fd9\u4e24\u5957\u7cfb\u7edf\u4e1a\u52a1\u3002\u5f53\u4f60\u670d\u52a1\u7684\u4e1a\u52a1\u7684\u9ad8\u4f4e\u5cf0\u9519\u5cf0\u8d8a\u660e\u663e\uff0c\u8d44\u6e90\u4f53\u91cf\u8d8a\u5927\uff0c\u90a3\u4e48\u8fd9\u79cd\u81ea\u52a8\u5f39\u6027\u7684\u80fd\u529b\u5e26\u6765\u7684\u6548\u76ca\u53ef\u80fd\u5c31\u8d8a\u5927\u3002<\/p>\n<p>\u90a3\u4e48\uff0c\u6211\u4eec\u6765\u770b\u770b\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u4f1a\u5e26\u6765\u54ea\u4e9b\u597d\u5904\uff0c\u53c8\u6216\u8005\u53ef\u80fd\u4f1a\u6709\u54ea\u4e9b\u201c\u5751\u201d\u9700\u8981\u5c0f\u5fc3\u3002<!--more--><\/p>\n<h3>\u8d2d\u4e70<\/h3>\n<p>Aurora Serverless MySQL\u76ee\u524d\u53ea\u652f\u6301MySQL5.6\u7248\u672c\uff0c\u8d2d\u4e70\u8fc7\u7a0b\u4e2d\u914d\u7f6e\u9009\u9879\u5f88\u5c11\uff0c\u4e3b\u8981\u9700\u8981\u7528\u6237\u914d\u7f6e\uff0c\u5141\u8bb8\u5f39\u6027\u7684\u8303\u56f4\uff0c\u5305\u62ec\u5982\u4e0b\u4e09\u90e8\u5206<\/p>\n<ul>\n<li>\u5b9e\u4f8b\u6700\u5927\u53ef\u4ee5\u6269\u5bb9\uff08scaling-up\uff09\u5230\u591a\u5c11<\/li>\n<li>\u5b9e\u4f8b\u6700\u5c0f\u53ef\u4ee5\u7f29\u5bb9\uff08scaling-down\uff09\u5230\u591a\u5c11<\/li>\n<li>\u53e6\u5916\uff0c\u662f\u5426\u5141\u8bb8\u5b9e\u4f8b\u5b8c\u5168\u6ca1\u6709\u538b\u529b\u65f6\uff0c\u6682\u505c\u5b9e\u4f8b\uff08scaling to zero\uff09<\/li>\n<\/ul>\n<p>\u5982\u679c\u5019\u9009\u4e86Pause\u9009\u9879\uff0c\u9ed8\u8ba4\u5b9e\u4f8b\u5728\u8fde\u7eed\u4e94\u5206\u949f\u6ca1\u6709\u4efb\u4f55\u538b\u529b\u65f6\uff0c\u5b9e\u4f8b\u81ea\u52a8\u88ab\u6682\u505c\uff0c\u4e0b\u4e00\u6b21\u8bf7\u6c42\u8fc7\u6765\u540e\uff0c\u5b9e\u4f8b\u518d\u81ea\u52a8\u6062\u590d\u3002<\/p>\n<h3>\u63a7\u5236\u53f0<\/h3>\n<p>\u63a7\u5236\u53f0\u5305\u542b\u4e86\u5982\u4e0b\u4fe1\u606f\uff1a<br \/>\n(1) \u5b9e\u4f8b\u8be6\u60c5\uff0c\u5305\u62ec\u4e3b\u8981\u914d\u7f6e\u3001endpoint\u3001\u5907\u4efd\u8ba1\u5212\u7b49\u4fe1\u606f\u3002<br \/>\n(2) \u76d1\u63a7\u6307\u6807\uff0c\u8fd9\u91cc\u63d0\u4f9b\u4e86\u517129\u4e2a\u76d1\u63a7\u6307\u6807\uff0c\u7c92\u5ea6\u4e3a1\u5206\u949f\u3002\u5305\u62ecDatabase Capacity\u3001CPU Utilization\u3001DB Connections\u7b49\u3002<br \/>\n(3) \u5f39\u6027\u6269\u7f29\u5bb9\u7684\u8bb0\u5f55\uff0c\u8fd9\u91cc\u8bb0\u5f55\u6bcf\u6b21\u5f39\u6027\u51fa\u53d1\u7684\u65f6\u95f4\u70b9\uff0c\u4ee5\u53ca\u4f55\u65f6\u5b8c\u6210\u5f39\u6027\u6269\u7f29\u5bb9\u3002<\/p>\n<h3>\u5b9e\u6d4b<\/h3>\n<p>\u8fd9\u91cc\u8d2d\u4e70\u4e86\u4e00\u4e2a\u6700\u5c0f\u4e3a2 capacity units\uff0c\u6700\u5927\u4e3a8 capacity units\u7684\u5b9e\u4f8b\uff0c\u5185\u5b58\u5206\u522b\u5bf9\u5e94\u4e3a4GB\u548c16GB\u3002<\/p>\n<p>\u65b0\u5efa\u6570\u636e\u5e93\u8868\uff1a<\/p>\n<pre><div class=\"mycode\">CREATE TABLE `a` (\r\n  `id` int(11) NOT NULL DEFAULT '0',\r\n  `num` int(11) DEFAULT NULL,\r\n  `bid` int(11) DEFAULT NULL,\r\n  KEY `IND_NUM` (`num`)\r\n) ENGINE=InnoDB<\/div><\/pre>\n<p>\u521d\u59cb\u5316\u6570\u636e(\u591a\u4e2a\u5982\u4e0b\u547d\u4ee4\u5e76\u884c)\uff1a<\/p>\n<pre><div class=\"mycode\">for i in `seq 0 30000`;do mysql -uzhou -p -hzhou-aurora-1.cluster-cjzowaj9vqpd.ap-northeast-1.rds.amazonaws.com -poraHz#nhTv%8 -v supu -e \" insert into a values (rand()*100000,rand()*10000,rand()*10000)\"; done<\/div><\/pre>\n<p>\u91cd\u590d\u8fd0\u884c\u7b80\u5355\u67e5\u8be2\uff1a<\/p>\n<pre><div class=\"mycode\">#!\/bin\/bash\r\nfor i in `seq 1 500000` ;do sleep 0.5 && TZ=Asia\/Shanghai date +%H:%M:%S.%N && time mysql -uzhou -p -hzhou-aurora-1.cluster-cjzowaj9vqpd.ap-northeast-1.rds.amazonaws.com -poraHz#nhTv%8 supu -e \"select * from a where num=4484 limit 1\" -q > 1.log 2>2.log ;done<\/div><\/pre>\n<p>\u8fd0\u884c\u5927\u538b\u529bSQL\uff08\u5e76\u884c\u51e0\u4e2a\u5c31\u53ef\u4ee5\u628a\u7cfb\u7edf\u538b\u529b\u52a0\u4e0a\u53bb\uff09\uff1a<\/p>\n<pre><div class=\"mycode\">select * from a,a as b where a.bid = b.id;<\/div><\/pre>\n<h4>scaling-up\u6d4b\u8bd5<\/h4>\n<p>\u5728\u7ed9\u7cfb\u7edf\u589e\u52a0\u591a\u4e2aselect * from a,a as b where a.bid = b.id;\u5e76\u884c\u8fd0\u884c\u4ee5\u540e\uff0c\u7cfb\u7edf\u538b\u529b\u5f88\u5feb\u5c31\u4e0a\u53bb\u4e86\u3002<\/p>\n<p>\u7cfb\u7edf\u538b\u529b\u572819:38\u5206CPU\u5229\u7528\u8d85\u8fc770%\uff0c17:43\u5f00\u59cb\u51fa\u53d1scaling-up\u3002\u5373\u4e94\u5206\u949f\u540e\u5f00\u59cb\u89e6\u53d1scaling-up\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.orczhou.com\/wp-content\/uploads\/2018\/08\/Snip20180814_86.png\" alt=\"Snip20180814_86\" width=\"878\" height=\"579\" class=\"alignright size-full wp-image-5811\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.orczhou.com\/wp-content\/uploads\/2018\/08\/Snip20180816_123.png\" alt=\"Snip20180816_123\" width=\"840\" height=\"251\" class=\"alignright size-full wp-image-5813\" \/><\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\uff0c\u5173\u4e8e\u6267\u884cquery\u54cd\u5e94\u65f6\u95f4\u7a33\u5b9a\u6027\u7684\u8d8b\u52bf\u56fe\uff0c\u53ef\u4ee5\u770b\u5230\uff0c\u5728\u5b8c\u6210scaling-up\u4e4b\u540e\uff0c\u7cfb\u7edf\u54cd\u5e94\u4f1a\u66f4\u52a0\u7a33\u5b9a\uff1a<\/p>\n<p><a href=\"http:\/\/www.orczhou.com\/wp-content\/uploads\/2018\/08\/rt.png\" rel=\"attachment wp-att-5816\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.orczhou.com\/wp-content\/uploads\/2018\/08\/42255130020_b49f5b0917_z.jpg\" alt=\"42255130020_b49f5b0917_z\" width=\"640\" height=\"57\" class=\"alignright size-full wp-image-5816\" \/><\/a><br \/>\n(<a href=\"http:\/\/www.orczhou.com\/wp-content\/uploads\/2018\/08\/rt.png\" rel=\"noopener\" target=\"_blank\">\u70b9\u51fb\u67e5\u770b\u5927\u56fe<\/a>)<\/p>\n<p>\u53e6\u5916\uff0c\u8fd9\u91cc\u53d1\u73b0\u4e00\u4e2a\u95ee\u9898\uff0c\u5728\u7cfb\u7edf\u538b\u529b\u52a0\u4e0a\u53bb\u540e\uff0cscaling-up\u52a8\u4f5c\u4e00\u81f4\u6ca1\u6709\u6210\u529f\u5b8c\u6210\u3002\u539f\u56e0\u5728\u4e8e\uff0cAurora Serverless\u5728\u51fa\u53d1scaling-up\u4e4b\u540e\uff0c\u4f1a\u9009\u53d6\u4e00\u4e2ascaling point\u5f00\u59cb\u53bb\u652f\u6301scaling\u7684\u52a8\u4f5c\uff0c\u6267\u884c\u8fd9\u4e2a\u52a8\u4f5c\u5fc5\u987b\u907f\u5f00\u5982\u4e0b\u60c5\u51b5\uff1a long running query\u6216\u8005long running transaction\u3002<\/p>\n<p>\u5728\u4e0a\u9762\u7684\u6848\u4f8b\u4e2d\uff0c\u7cfb\u7edf\u4e2d\u6709\u591a\u4e2along running query\uff0c\u6240\u4ee5\u4e00\u76f4\u6ca1\u6709scaling-up\u6210\u529f\uff0c\u76f4\u5230\u6211\u767b\u4e0a\u6570\u636e\u5e93\uff0c\u628along running\u7684query\u5168\u90e8kill\uff0cAurora\u624d\u6210\u529f\u5b8c\u6210scaling-up\u3002<\/p>\n<p>\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u4e25\u91cd\u7684\u95ee\u9898\uff0c\u5728\u7cfb\u7edf\u538b\u529b\u5f88\u5927\u7684\u65f6\u5019\uff0c\u5f88\u53ef\u80fd\u5b58\u5728\u957f\u65f6\u95f4\u8fd0\u884c\u7684query\u6216\u8005transaction\uff0c\u8fd9\u4e9bquery\u53ef\u80fd\u662f\u7cfb\u7edf\u538b\u529b\u5927\u7684\u201c\u56e0\u201d\uff0c\u4e5f\u6709\u53ef\u80fd\u662f\u201c\u679c\u201d\uff0c\u4f46\uff0c\u8fd9\u662f\u975e\u5e38\u5e38\u89c1\u7684\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\uff0cscaling-up\u5728\u5f88\u591a\u60c5\u51b5\u4e0b\u90fd\u65e0\u6cd5\u6210\u529f\uff0c\u4e5f\u5c31\u8fbe\u4e0d\u5230\u5f53\u7cfb\u7edf\u538b\u529b\u8f83\u5927\u65f6\uff0c\u81ea\u52a8scaling-up\u8fd9\u4e2a\u76ee\u7684\u3002<\/p>\n<h4>scaling-down\u6d4b\u8bd5<\/h4>\n<p>scaling-down\u7684\u89e6\u53d1\u6761\u4ef6\u662fCPU\u5229\u7528\u7387\u5c0f\u4e8e30%\uff0c\u5e76\u4e14\uff0c\u8fde\u63a5\u6570\u4f4e\u4e8e40%\u3002\u5f53\u7cfb\u7edf\u538b\u529b\u4e0b\u964d\u65f6\uff0c\u4f1a\u89e6\u53d1scaling-down\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.orczhou.com\/wp-content\/uploads\/2018\/08\/Snip20180816_126.png\" alt=\"Snip20180816_126\" width=\"1064\" height=\"282\" class=\"alignright size-full wp-image-5819\" \/><\/p>\n<h4>scaling to zero \/ paused\u6d4b\u8bd5<\/h4>\n<p>\u7279\u522b\u662f\u5bf9\u4e8e\u4e2a\u4eba\u6d4b\u8bd5\u73af\u5883\u6765\u8bf4\uff0c\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u597d\u7684\u7279\u6027\u3002\u5f53\u6211\uff0c\u665a\u4e0a\u4e0d\u518d\u4f7f\u7528\u8fd9\u4e2a\u5b9e\u4f8b\u7684\u65f6\u5019\uff0c\u5b9e\u4f8b\u76f8\u5f53\u4e8e\u4f1a\u81ea\u52a8\u505c\u6389\uff0c\u662f\u975e\u5e38\u8282\u7ea6\u6210\u672c\u7684\u3002<\/p>\n<p>\u770b\u4e0b\u56fe\u65e5\u5fd7\uff0c\u53ef\u4ee5\u770b\u5230\uff1a18:24\u5206\u6211\u53bb\u98df\u5802\u5403\u996d\u4e86\uff0c\u7cfb\u7edf\u5f88\u5feb\u8fdb\u5165\u4e86paused\u72b6\u6001\u300219:13\u6211\u56de\u6765\u7ee7\u7eed\u6d4b\u8bd5\uff0c\u7cfb\u7edf\u5f00\u59cb\u91cd\u65b0\u6062\u590d\uff0c\u8fd9\u91cc\u663e\u793a\uff0c\u7cfb\u7edf\u6062\u590d\u65f6\u95f4\u7ea6\u4e3a17\u79d2\u3002\u4f46\u662f\u5728\u5b9e\u9645\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\uff0c\u4ecepaused\u72b6\u6001\u518d\u5165\u6062\u590d\u5230\u53ef\u7528\uff0c\u5b9e\u9645\u611f\u53d7\u7ea625\u79d2\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.orczhou.com\/wp-content\/uploads\/2018\/08\/Snip20180816_124.png\" alt=\"Snip20180816_124\" width=\"825\" height=\"205\" class=\"alignright size-full wp-image-5821\" \/><\/p>\n<p>\u4f46\u662f\uff0c\u8fd9\u91cc\u4e5f\u53d1\u73b0\u4e86\u53e6\u4e00\u4e2a\u95ee\u9898\u3002scaling to zero\u7684\u89e6\u53d1\u6761\u4ef6\u5fc5\u987b\u662f\u7cfb\u7edf\u6ca1\u6709\u4efb\u4f55query\uff0c\u4e14\u7cfb\u7edf\u6ca1\u6709\u4efb\u4f55\u8fde\u63a5\u3002\u5f88\u591a\u65f6\u5019\uff0c\u7cfb\u7edf\u6ca1\u6709\u4efb\u4f55\u8fde\u63a5\u662f\u6bd4\u8f83\u96be\u7684\uff0c\u6bd4\u5982\u5728\u5b9e\u6d4b\u65f6\u5c31\u51fa\u73b0\u4e86\u8fd9\u4e2a\u60c5\u51b5\uff0c\u7531\u4e8e\u67d0\u4e2a\u7ec8\u7aef\u4e0b\u5efa\u7acb\u7684MySQL\u8fde\u63a5\uff0c\u4f46\u662f\u8be5\u7ec8\u7aef\u7531\u4e8e\u67d0\u4e2a\u539f\u56e0\u5f02\u5e38\u65ad\u5f00\u4e86\uff0c\u4f46\u662f\uff0c\u8fd9\u65f6\u8fd9\u4e2aMySQL\u8fde\u63a5\u5728Server\u7aef\u5f88\u53ef\u80fd\u4f1a\u4e00\u76f4\u4fdd\u6301\uff0c\u8fd9\u4f1a\u5bfc\u81f4\uff0cAurora\u65e0\u6cd5scaling to zero\u3002\u8fd9\u79cd\u65ad\u6389\u7684\u8fde\u63a5\uff0c\u5728\u670d\u52a1\u7aef\u53ef\u80fd\u8981\u7ecf\u5386\u975e\u5e38\u957f\u7684\u201c\u8d85\u65f6\u201d\u8bbe\u7f6e\u624d\u4f1a\u88ab\u65ad\u5f00\u3002<\/p>\n<p>\u6ca1\u6709\u6b63\u786e\u65ad\u5f00\u7684\u8fde\u63a5\uff0c\u4e5f\u4f1a\u5bfc\u81f4Aurora\u65e0\u6cd5scaling to zero\uff0c\u800c\u6ca1\u6709\u6b63\u786e\u65ad\u5f00\u7684\u8fde\u63a5\uff0c\u5728\u5b9e\u9645\u7ba1\u7406\u64cd\u4f5c\u4e2d\u8fd9\u662f\u6bd4\u8f83\u5e38\u89c1\u7684\u3002<\/p>\n<h3>\u5176\u4ed6\u6982\u5ff5<\/h3>\n<h4>cooldown<\/h4>\n<p>scaling-up\u7684\u64cd\u4f5c\u67093\u5206\u949f\u7684cooldown\uff0c\u53ea\u6709\u5728\u4e0a\u6b21scaling\u64cd\u4f5c\u4e4b\u540e\u81f3\u5c113\u5206\u949f\u624d\u4f1a\u89e6\u53d1\u3002Scaling-down\u7684cooldown\u4e3a15\u5206\u949f\u3002<\/p>\n<h4>1.5\u5206\u949f\u548c5\u5206\u949f<\/h4>\n<p>\u89e6\u53d1scaling-up\u9700\u8981\u7cfb\u7edf\u8fbe\u5230\u89e6\u53d1\u6761\u4ef6\uff0c\u5e76\u6301\u7eed1.5\u5206\u949f\uff0c\u624d\u4f1a\u89e6\u53d1\u3002Scaling-down\u5219\u9700\u8981\u8fbe\u5230\u89e6\u53d1\u6761\u4ef65\u5206\u949f\u624d\u4f1a\u5f00\u59cb\u89e6\u53d1\u3002<\/p>\n<h4> scaling point<\/h4>\n<p>scaling-up\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\uff0c\u5982\u679c\u6ca1\u6709\u6ee1\u8db3\u6761\u4ef6\u7684scaling point\uff0c\u90a3\u4e48\u5728\u5c1d\u8bd5\u4e94\u6b21scaling\u64cd\u4f5c\u4e4b\u540e\uff0c\u7cfb\u7edf\u5c06\u4f1a\u653e\u5f03\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.orczhou.com\/wp-content\/uploads\/2018\/08\/Snip20180816_125.png\" alt=\"Snip20180816_125\" width=\"1188\" height=\"202\" class=\"alignright size-full wp-image-5822\" \/><\/p>\n<h3>\u603b\u7ed3<\/h3>\n<p>\u5982\u679c\u7cfb\u7edf\u538b\u529b\u662f\u7f13\u6162\u589e\u957f\uff0cAurora Serverless\u90a3\u4e48\u8fd9\u79cdscaling\u7b56\u7565\u53ef\u80fd\u975e\u5e38\u6709\u6548\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u5728\u5b9e\u6d4b\u4e2d\u4e5f\u53d1\u73b0\u4e00\u4e9b\u95ee\u9898\uff0c\u6bd4\u5982\uff0cscaling-up\u64cd\u4f5c\u9700\u8981\u5bfb\u627e\u5230\u6ca1\u6709long running query\u548ctransaction\u7684scaling point\uff0c\u5b9e\u9645\u60c5\u51b5\u4e2d\u8fd9\u4e2a\u8981\u6c42\u662f\u5f88\u9ad8\u7684\uff0c\u7cfb\u7edf\u538b\u529b\u8f83\u5927\u65f6\uff0c\u5c24\u5176\u662f\u7cfb\u7edf\u538b\u529b\u7a81\u7136\u589e\u5927\u65f6\uff0c\u5f88\u53ef\u80fd\u4f1a\u7531\u4e8e\u627e\u4e0d\u5230scaling point\u800c\u5bfc\u81f4scaling-up\u5931\u8d25\u3002\u518d\u6bd4\u5982\uff0c\u5982\u679c\u5e0c\u671bscaling to zero\uff0c\u90a3\u4e48\u7cfb\u7edf\u4e0d\u4ec5\u6ca1\u6709query\uff0c\u800c\u4e14\u4e0d\u80fd\u6709\u4efb\u4f55\u7684\u8fde\u63a5\uff0c\u800c\u8fd9\u5728\u5b9e\u9645\u60c5\u51b5\u4e2d\u4e5f\u662f\u6bd4\u8f83\u96be\u63a7\u5236\u7684\u3002<\/p>\n<p>Aurora Serverless MySQL\u7ed9\u7528\u6237\u5e26\u6765\u7684\u5b9e\u60e0\u662f\uff0c\u771f\u6b63\u7684\u6309\u4f7f\u7528\u91cf\u4ed8\u8d39\uff0c\u6570\u636e\u5e93\u538b\u529b\u5927\u7684\u65f6\u5019\uff0c\u7cfb\u7edf\u81ea\u52a8\u8fdb\u884c\u5347\u7ea7\uff0c\u7528\u6237\u9700\u8981\u652f\u4ed8\u66f4\u5927\u5b9e\u4f8b\u7684\u8d39\u7528\uff0c\u6570\u636e\u5e93\u538b\u529b\u5c0f\u7684\u65f6\u5019\uff0c\u7cfb\u7edf\u81ea\u52a8\u964d\u7ea7\uff0c\u5219\u53ea\u9700\u652f\u4ed8\u8f83\u5c11\u7684\u8d39\u7528\uff0c\u5f53\u5b8c\u5168\u6ca1\u6709\u538b\u529b\u7684\u65f6\u5019\uff0c\u5219\u65e0\u9700\u652f\u4ed8\u4efb\u4f55\u8ba1\u7b97\uff08\u5305\u62ec\u5185\u5b58\uff09\u8d39\u7528\uff0c\u53ea\u9700\u652f\u4ed8\u5b58\u50a8\u8d39\u7528\u3002\u542c\u8d77\u6765\u6bd4\u8f83\u7f8e\u597d\uff0c\u4f46\u662f\u8981\u5728\u751f\u4ea7\u4e2d\u6bd4\u8f83\u597d\u7684\u4f7f\u7528\uff0c\u8fd8\u9700\u8981\u4e00\u5b9a\u7684\u201c\u78e8\u5408\u201d\u3002<\/p>\n<p>&#8211;EOF&#8211;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u51e0\u5929Aurora Serverless\u6b63\u5f0fGA\uff0c \u7b2c\u4e00\u65f6\u95f4\u4f53\u9a8c\u4e86\u4e00\u4e0b\uff0c\u770b\u770b\u5230\u5e95\u600e\u6837\u3002 \u6982\u8ff0 Lambda\u7684\u65e0\u670d\u52a1\u6280\u672f\u662fAWS\u5728\u4e91\u4ea7\u54c1\u5f62\u6001\u4e0a\u7684\u4e00\u6b21\u91cd\u5927\u521b\u65b0\uff0c\u5b83\u628a\u4e91\u8ba1\u7b97\u6700\u91cd\u8981\u7684\u201c\u5f39\u6027\u201d\u80fd\u529b\u518d\u5411\u524d\u63a8\u4e86\u4e00\u6b65\u3002Aurora Serverless MySQL\u662fServerless\u6280\u672f\u5728\u6570\u636e\u5e93\u4e0a\u7684\u5e94\u7528\u3002Aurora Serverless\u7406\u5ff5\u975e\u5e38\u597d\uff0c\u957f\u8fdc\u6765\u770b\uff0c\u5bf9\u4e8e\u7528\u6237\u6765\u8bf4\uff0c\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u7cfb\u7edf\u538b\u529b\u8fdb\u884c\u7ed3\u7b97\uff0c\u6bd4\u4e00\u6b21\u6027\u8d2d\u4e70\u9884\u7559\u5b9e\u4f8b\u66f4\u52a0\u5b9e\u60e0\u3002\u8fd9\u662f\u4e91\u8ba1\u7b97\uff0c\u5bf9\u4e8e\u201c\u5f39\u6027\u201d\u6982\u5ff5\u7684\u53c8\u4e00\u6b21\u5347\u7ea7\u3002 \u5bf9\u4e8e\u4e91\u5382\u5546\u6765\u8bf4\uff0c\u5f53\u4e91\u7684\u89c4\u6a21\u8db3\u591f\u5927\u65f6\uff0c\u76f8\u6bd4\u4f7f\u7528\u9884\u7559\u5b9e\u4f8b\u7684\u65b9\u5f0f\uff0c\u901a\u8fc7\u8fd9\u79cd\u7cfb\u7edf\u63a7\u5236\u7684\u81ea\u52a8\u5f39\u6027\u80fd\u529b\uff0c\u53ef\u4ee5\u6781\u5927\u63d0\u9ad8\u6574\u4f53\u7684\u7cfb\u7edf\u5229\u7528\u7387\u3002\u4e00\u4e2a\u7b80\u5355\u3001\u6781\u7aef\u4f46\u662f\u53ef\u4ee5\u8bf4\u660e\u6548\u679c\u7684\u4f8b\u5b50\u662f\u8fd9\u6837\u7684\uff1a\u5982\u679c\u6709\u4e24\u5957\u7cfb\u7edf\uff0c\u4e00\u5957\u662f\u670d\u52a1\u4e1c\u534a\u7403\u7684\u7528\u6237\uff0c\u4e00\u5957\u662f\u670d\u52a1\u897f\u534a\u7403\u7684\u7528\u6237\uff0c\u90a3\u4e48\u76f8\u6bd4\u7ed9\u4e24\u5957\u7cfb\u7edf\u90fd\u9884\u7559\u6700\u5927\u8981\u6c42\u5bb9\u91cf\u7684\u8d44\u6e90\uff0c\u8fd9\u79cd\u5168\u81ea\u52a8\u7684\u5f39\u6027\u53ef\u80fd\u53ea\u9700\u8981\u4f7f\u752875%\u6216\u8005\u66f4\u5c11\u7684\u8d44\u6e90\uff08\u6700\u4f4e\u662f50%\uff09\uff0c\u5c31\u53ef\u4ee5\u670d\u52a1\u597d\u8fd9\u4e24\u5957\u7cfb\u7edf\u4e1a\u52a1\u3002\u5f53\u4f60\u670d\u52a1\u7684\u4e1a\u52a1\u7684\u9ad8\u4f4e\u5cf0\u9519\u5cf0\u8d8a\u660e\u663e\uff0c\u8d44\u6e90\u4f53\u91cf\u8d8a\u5927\uff0c\u90a3\u4e48\u8fd9\u79cd\u81ea\u52a8\u5f39\u6027\u7684\u80fd\u529b\u5e26\u6765\u7684\u6548\u76ca\u53ef\u80fd\u5c31\u8d8a\u5927\u3002 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