{"id":7300,"date":"2022-04-11T08:48:31","date_gmt":"2022-04-11T00:48:31","guid":{"rendered":"https:\/\/www.orczhou.com\/?p=7300"},"modified":"2022-04-11T08:48:33","modified_gmt":"2022-04-11T00:48:33","slug":"aws-rds-multi-az-cluster","status":"publish","type":"post","link":"https:\/\/www.orczhou.com\/index.php\/2022\/04\/aws-rds-multi-az-cluster\/","title":{"rendered":"AWS RDS\u53d1\u5e03\u4e09\u8282\u70b9\u5f62\u6001\uff0c\u54ea\u4e9b\u4e1a\u52a1\u573a\u666f\u5e94\u8be5\u9009\u62e9\uff1f"},"content":{"rendered":"\n<p>\u53bb\u5e7411\u6708\uff0cAmazon RDS\u63a8\u51fa\u7684\u65b0\u7684\u5f62\u6001\uff1a<strong>Multi-AZ Cluster\uff08\u4e09\u53ef\u7528\u533a\u4e09\u8282\u70b9\uff09<\/strong>\u3002\u76f8\u6bd4\u201c\u539f\u6765\u7684\u591aAZ\u201d\uff08\u4e24\u4e2a\u53ef\u7528\u533a\uff09\u67b6\u6784\uff0c\u65b0\u7684Cluster\u6a21\u5f0f\u662f\u4e09\u8282\u70b9\u67b6\u6784\uff0c\u63d0\u4f9b\u4e86\u66f4\u4f4e\u7684\u4e8b\u52a1\u5ef6\u8fdf\uff0c\u540c\u65f6\u6709\u66f4\u597d\u7684\u8bfb\u6269\u5c55\u80fd\u529b\u3002\u56fd\u5185\u7684\u4e91\u5382\u5546\u4e2d\uff0c\u963f\u91cc\u4e91\u548c\u817e\u8baf\u4e91\u5f88\u65e9\u5c31\u6709\u4e86\u4e09\u8282\u70b9\u5f62\u6001\uff0c\u4e00\u8d77\u770b\u770b\uff0c\u4ed6\u4eec\u6709\u54ea\u4e9b\u5f02\u540c\uff0c\u5728\u5b9e\u9645\u7684\u4e1a\u52a1\u573a\u666f\u4e2d\uff0c\u54ea\u4e9b\u60c5\u51b5\u53ef\u4ee5\u9009\u62e9\u8fd9\u79cd\u5f62\u6001\u3002<\/p>\n\n\n\n\n\n\n\n<h3 class=\"wp-block-heading\"><strong>AWS RDS\u4e09\u8282\u70b9\uff08Multi-AZ Cluster\uff09\u662f\u4ec0\u4e48\uff1f<\/strong><\/h3>\n\n\n\n<p>\u8fd9\u91cc\u5c06\u5176\u4e3b\u8981\u7279\u70b9\u6982\u62ec\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u8fd9\u662f\u4e00\u79cd3*AZ\u90e8\u7f72\u6a21\u5f0f\uff0c\u800c\u539f\u6765\u7684Multi-AZ\u662f2AZ\u90e8\u7f72\u6216\u8005\u5355AZ\u90e8\u7f72\u3002<\/li><li>\u4f7f\u7528\u4e86\u6570\u636e\u5e93\u7684\u903b\u8f91\u590d\u5236\uff0c\u800c\u539f\u6765\u7684\u53ccAZ\u4f7f\u7528\u7684\u662fEBS\u5c42\u7684\u590d\u5236\uff0c\u8fd9\u5c31\u4f7f\u5f97Cluster\u7684\u526f\u672c\u8282\u70b9\u90fd\u53ef\u4ee5\u76f4\u63a5\u63d0\u4f9b\u8bfb\u80fd\u529b\uff0c\u6709\u66f4\u597d\u7684\u8bfb\u6269\u5c55\u80fd\u529b\u3002<\/li><li>\u4f7f\u7528\u4e86\u7c7b\u4f3cMySQL\u534a\u540c\u6b65\u7684\u590d\u5236\u6280\u672f\uff0c\u4e8b\u52a1\u65e5\u5fd7\u7f51\u7edc\u5230\u8fbe\u5176\u4e2d\u4efb\u610f\u4e00\u4e2a\u526f\u672c\u4e3b\u8282\u70b9\u4e8b\u52a1\u5c31\u53ef\u4ee5\u63d0\u4ea4\uff0c\u6240\u4ee5\u4e3b\u8282\u70b9\u4e0a\u7684\u4e8b\u52a1\u5ef6\u8fdf\u4f1a\u964d\u4f4e\uff0c\u6027\u80fd\u4f1a\u63d0\u5347\uff08\u5bf9\u6bd4\u57fa\u4e8eEBS\u7684\u4e24\u8282\u70b9\uff09\u3002<\/li><li>\u652f\u6301Graviton 2\u7684\u89c4\u683c\u548cNVMe-based SSD\u5b58\u50a8\uff0c\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u3002<\/li><li>\u540c\u65f6\u652f\u6301MySQL\u548cPostgreSQL\u4e24\u4e2a\u5f15\u64ce\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4e0e\u963f\u91cc\u4e91\u3001\u817e\u8baf\u4e91\u6570\u636e\u5e93\u4e09\u8282\u70b9\u7684\u533a\u522b<\/strong><\/h3>\n\n\n\n<p>\u963f\u91cc\u4e91RDS\u63d0\u4f9b\u7684\u201c\u4e09\u8282\u70b9\u4f01\u4e1a\u7248\u201d\uff0c\u652f\u6301MySQL\u5f15\u64ce\uff0c\u901a\u8fc7Paxos\u534f\u8bae\uff08\u6216\u5176\u53d8\u79cd\uff09\u540c\u6b65\u3002\u76f8\u6bd4Amazon\u7684\u65b9\u6848\uff0c\u5176\u4e2d\u4e00\u4e2a\u8282\u70b9\u4f7f\u7528\u4e86\u65e5\u5fd7\u5b58\u50a8\uff0c\u6210\u672c\u53ef\u4ee5\u66f4\u4f4e\uff1b\u4e09\u4e2a\u8282\u70b9\uff0c\u53ea\u6709\u4e00\u4e2a\u8282\u70b9\u63d0\u4f9b\u670d\u52a1\u3002\u817e\u8baf\u4e91MySQL\u4e5f\u652f\u6301\u4e09\u8282\u70b9\u7248\u672c\uff0c\u4f7f\u7528\u4e86\u534a\u540c\u6b65\u590d\u5236\uff0c\u53ef\u4ee5\u9009\u62e9\u5f02\u6b65\u3001\u534a\u540c\u6b65\u6216\u8005\u5f3a\u540c\u6b65\u4e09\u79cd\u6a21\u5f0f\uff0c\u4e5f\u53ea\u6709\u4e00\u4e2a\u8282\u70b9\u53ef\u4ee5\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n\n\n\n<p>\u76f8\u6bd4AWS\uff0c\u963f\u91cc\u4e91\u4e0e\u817e\u8baf\u4e91\u7684\u4e09\u8282\u70b9\u6a21\u5f0f\u90fd\u53ef\u4ee5\u7531\u7528\u6237\u81ea\u7531\u9009\u62e9\u53ef\u7528\u533a\u5206\u5e03\uff0c\u5373\u53ef\u4ee5\u90fd\u5728\u4e00\u4e2a\u53ef\u7528\u533a\uff0c\u4e5f\u53ef\u4ee5\u5206\u5e03\u5728\u4e24\u4e2a\u6216\u4e09\u4e2a\u53ef\u7528\u533a\uff0c\u7ed9\u4e86\u5ba2\u6237\u66f4\u5f3a\u7684\u7075\u6d3b\u6027\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"516\" src=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_13-1024x516.png\" alt=\"\" class=\"wp-image-7302\" srcset=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_13-1024x516.png 1024w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_13-300x151.png 300w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_13-768x387.png 768w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_13-1536x773.png 1536w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_13-2048x1031.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>AWS RDS\u4e09\u8282\u70b9\u4e0e\u4e24\u8282\u70b9\u7684\u67b6\u6784\u5dee\u5f02<\/strong><\/h3>\n\n\n\n<p>\u5b98\u65b9\u7ed9\u51fa\u4e86\u8f83\u4e3a\u8be6\u7ec6\u7684\u4ea7\u54c1\u67b6\u6784\u56fe\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"589\" height=\"544\" src=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-2.png\" alt=\"\" data-id=\"7303\" data-full-url=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-2.png\" data-link=\"https:\/\/www.orczhou.com\/?attachment_id=7303\" class=\"wp-image-7303\" srcset=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-2.png 589w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-2-300x277.png 300w\" sizes=\"auto, (max-width: 589px) 100vw, 589px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"585\" height=\"536\" src=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image.png\" alt=\"\" data-id=\"7304\" data-full-url=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image.png\" data-link=\"https:\/\/www.orczhou.com\/?attachment_id=7304\" class=\"wp-image-7304\" srcset=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image.png 585w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-300x275.png 300w\" sizes=\"auto, (max-width: 585px) 100vw, 585px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u539f\u6765\u7684RDS\u591aAZ\uff08\u4e24\u8282\u70b9\uff09\u90e8\u7f72\uff0c\u4f7f\u7528\u4e86EBS\u5e95\u5c42\u540c\u6b65\u590d\u5236\uff0c\u9700\u8981EBS\u590d\u5236\u5b8c\u6210\u540e\uff0c\u4e3b\u8282\u70b9\u7684\u4e8b\u52a1\u624d\u80fd\u63d0\u4ea4\uff0c\u4e5f\u56e0\u4e3a\u662f\u4f9d\u8d56\u5e95\u5c42\u590d\u5236\uff0c\u6240\u4ee5Failover\u7684\u65f6\u95f4\u4e5f\u4f1a\u66f4\u957f\u4e00\u4e9b\u3002\u5f53\u7136\uff0c\u8fd9\u79cd\u67b6\u6784\u7684\u4f18\u52bf\u5728\u4e8e\u7b80\u5355\uff0c\u4efb\u4f55\u7684\u6570\u636e\u5e93\u90fd\u53ef\u4ee5\u4f7f\u7528\uff0c\u6240\u4ee5\u652f\u6301\u7684\u6570\u636e\u5e93\u79cd\u7c7b\u6bd4\u8f83\u4e30\u5bcc\u3002\u65b0\u7684\u201c\u4e09\u8282\u70b9\u201d\u5f62\u6001\u5219\u9700\u8981\u5728\u5185\u6838\u5c42\u505a\u4e00\u4e9b\u6539\u9020\uff0c\u901a\u7528\u6027\u8981\u66f4\u5dee\u4e00\u4e9b\u3002\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u8fd9\u79cd\u67b6\u6784\u76ee\u524d\u652f\u6301\u7684\u6570\u636e\u5e93\u79cd\u7c7b\u8fd8\u6bd4\u8f83\u5c11\uff0c\u56e0\u4e3a\u6bcf\u4e00\u79cd\u6570\u636e\u5e93\u7684\u652f\u6301\u5728\u65e5\u5fd7\/\u590d\u5236\/\u4e8b\u52a1\u5c42\u90fd\u9700\u8981\u4e00\u5b9a\u7684\u6539\u9020\uff0c\u800c\u4e14\u5bf9\u4e8e\u5546\u4e1a\u95ed\u6e90\u6570\u636e\u5e93\u53ef\u80fd\u65e0\u6cd5\u652f\u6301\u3002<\/p>\n\n\n\n<p>\u518d\u8865\u4e0a\u4e24\u4e2a\u66f4\u7ec6\u81f4\u7684\u67b6\u6784\u5bf9\u6bd4\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"472\" src=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-3-1024x472.png\" alt=\"\" data-id=\"7306\" data-full-url=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-3.png\" data-link=\"https:\/\/www.orczhou.com\/?attachment_id=7306\" class=\"wp-image-7306\" srcset=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-3-1024x472.png 1024w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-3-300x138.png 300w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-3-768x354.png 768w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-3.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"476\" src=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-4-1024x476.png\" alt=\"\" data-id=\"7307\" data-full-url=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-4.png\" data-link=\"https:\/\/www.orczhou.com\/?attachment_id=7307\" class=\"wp-image-7307\" srcset=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-4-1024x476.png 1024w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-4-300x139.png 300w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-4-768x357.png 768w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-4.png 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4e3a\u4ec0\u4e48AWS\u7684\u4e09\u8282\u70b9\u4e8b\u52a1\u5ef6\u8fdf\u66f4\u4f4e\uff0c\u8bfb\u6269\u5c55\u80fd\u529b\u66f4\u5f3a\uff1f<\/strong><\/h3>\n\n\n\n<p>\u963f\u91cc\u4e91\u5f88\u65e9\u5c31\u652f\u6301\u4e86\u4e09\u8282\u70b9\u4f01\u4e1a\u7248\uff0c\u76f8\u6bd4\u4e24\u8282\u70b9\u9ad8\u53ef\u7528\u7248\u672c\u6765\u8bf4\uff0c\u6570\u636e\u5b89\u5168\u6027\u66f4\u9ad8\uff0c\u5176\u4ee3\u4ef7\u662f\u6027\u80fd\u4e5f\u6709\u4e00\u5b9a\u7a0b\u5ea6\u7684\u4e0b\u964d\u3001\u4e8b\u52a1\u5ef6\u8fdf\u4e5f\u4f1a\u7565\u5fae\u589e\u52a0\u3002\u90a3\u4e3a\u4ec0\u4e48AWS\u4e09\u8282\u70b9\u5374\u58f0\u79f0\u63d0\u4f9b\u4e86\u66f4\u4f4e\u7684\u4e8b\u52a1\u5ef6\u8fdf\uff0c\u66f4\u5f3a\u7684\u8bfb\u6269\u5c55\u80fd\u529b\u5462\uff1f<\/p>\n\n\n\n<p>\u963f\u91cc\u4e91\u3001\u817e\u8baf\u4e91\u4e5f\u90fd\u6709\u81ea\u5df1\u7684\u4e09\u8282\u70b9\u5f62\u6001\u3002\u901a\u5e38\u5728\u5e95\u5c42\u4f7f\u7528Paxos\uff08\u6216\u8005\u53d8\u79cd\uff09\u7684\u540c\u6b65\u65e5\u5fd7\u540c\u6b65\u534f\u8bae\u8fdb\u884c\u540c\u6b65\uff0c\u4ee5\u963f\u91cc\u4e91\u4e3a\u4f8b\uff0c\u4f7f\u7528\u4e86Paxos\u534f\u8bae\u505a\u65e5\u5fd7\u540c\u6b65\uff0c\u5e76\u4e14\u5176\u4e2d\u4e00\u4e2a\u8282\u70b9\u4e3a\u65e5\u5fd7\u8282\u70b9\uff0c\u6240\u4ee5\u9664\u4e86\u4e3b\u8282\u70b9\uff0c\u5176\u4ed6\u8282\u70b9\u4e5f\u5c31\u65e0\u6cd5\u63d0\u4f9b\u670d\u52a1\u4e86\uff08\u53c2\u8003\uff1a<a rel=\"noreferrer noopener\" href=\"http:\/\/mysql.taobao.org\/monthly\/2020\/03\/03\/\" target=\"_blank\">MySQL \u00b7 \u4ea7\u54c1\u7279\u6027 \u00b7 RDS\u4e09\u8282\u70b9\u4f01\u4e1a\u7248\u7684\u9ad8\u53ef\u7528\u4f53\u7cfb<\/a>\uff09\u3002\u963f\u91cc\u4e91\u7684\u4e24\u8282\u70b9\u9ad8\u53ef\u7528\u7248\u672c\uff08\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u9009\u62e9\u7684\u9ad8\u6027\u80fd\u53c2\u6570\u6a21\u677f\uff09\u9009\u62e9\u7684async\u6a21\u5f0f\u7684\uff0c\u4e5f\u5c31\u662f\u4e3b\u5907\u5e76\u4e0d\u662f\u5f3a\u540c\u6b65\u7684\uff0c\u800c\u963f\u91cc\u4e91\u7684\u4e09\u8282\u70b9\u4f01\u4e1a\u7248\u5219\u662f\u540c\u6b65\u7684\uff0c\u6240\u4ee5\u81ea\u7136\u4e09\u8282\u70b9\u7684\u6027\u80fd\u4f1a\u5dee\u4e00\u4e9b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"225\" src=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-5-1024x225.png\" alt=\"\" class=\"wp-image-7309\" srcset=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-5-1024x225.png 1024w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-5-300x66.png 300w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-5-768x169.png 768w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-5-1536x337.png 1536w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/image-5-2048x450.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u4f46\uff0cAWS\u7684\u4e24\u8282\u70b9\uff08\u666e\u901a\u7684\u591a\u53ef\u7528\u533a\u6a21\u5f0f\uff09\u9ed8\u8ba4\u5c31\u662f\u4e3b\u5907\u5f3a\u540c\u6b65\u7684\uff0c\u4f7f\u7528\u7684\u662fEBS\u5c42\u9762\u7684\u7269\u7406\u6570\u636e\u5757\u7684\u5f3a\u540c\u6b65\u590d\u5236\uff08\u53c2\u8003\uff1a<a href=\"https:\/\/www.orczhou.com\/index.php\/2020\/07\/amazon-rds-how-to-keep-data-sync-in-multi-az\/\" target=\"_blank\" rel=\"noreferrer noopener\">Amazon RDS\u7684\u540c\u6b65\u590d\u5236\u662f\u5982\u4f55\u5b9e\u73b0\u7684 &#8211; Life, Database and Cloud Computing<\/a>\uff09\u3002\u76f8\u6bd4\uff0c\u76f8\u6bd4\u963f\u91cc\u4e91\u4f7f\u7528\u7684\u5f02\u6b65\u590d\u5236\uff0cAWS RDS\u4e24\u8282\u70b9\u6027\u80fd&#8221;\u5e94\u8be5&#8221;\u4f1a\u66f4\u5dee\u7684\uff0c\u5f53\u7136\uff0c\u5176\u5b89\u5168\u6027\u4e5f\u4f1a\u66f4\u9ad8\u3002AWS RDS\u7684\u4e09\u8282\u70b9\u5219\u4f7f\u7528\u4e86\u903b\u8f91\u590d\u5236\uff0c\u5e76\u4e14\u63d0\u4f9b\u4e86\u4e24\u4e2a\u5907\u8282\u70b9\uff0c\u5176\u4e2d\u4efb\u4f55\u4e00\u4e2a\u6210\u529f\u5219\u4e3b\u5e93\u7684\u4e8b\u52a1\u5c31\u53ef\u4ee5\u63d0\u4ea4\u4e86\u3002\u76f8\u6bd4\uff0c\u4e24\u8282\u70b9\uff0c\u6570\u636e\u591a\u4e86\u4e00\u4e2a\u201c\u901a\u8def\u201d\uff0c\u6240\u4ee5\u4e8b\u52a1\u5ef6\u8fdf\u53ef\u80fd\u66f4\u4f4e\u3002\u53e6\u5916\uff0cAWS RDS\u7684\u4e24\u8282\u70b9\u4f7f\u7528\u4e86EBS\u5c42\u7684\u7269\u7406\u590d\u5236\uff0c\u6240\u4ee5\u5bfc\u81f4\u5907\u8282\u70b9\u65e0\u6cd5\u76f4\u63a5\u63d0\u4f9b\u670d\u52a1\uff0c\u6240\u4ee5\u8bfb\u6269\u5c55\u6027\u4e5f\u5c31\u6ca1\u6709\u4e09\u8282\u70b9\u597d\u4e86\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5e38\u89c1\u7684\u4e1a\u52a1\u573a\u666f<\/strong><\/h3>\n\n\n\n<p>\u4ece\u4e0a\u9762\u7684\u4ef7\u683c\u5217\u8868\u548c\u4ea7\u54c1\u529f\u80fd\u8bf4\u660e\u53ef\u4ee5\u770b\u5230\uff0c\u4e09\u8282\u70b9\u76f8\u6bd4\u4e24\u8282\u70b9\uff0c\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7684\u707e\u96be\u5bb9\u5fcd\u7ea7\u522b\uff0c\u90fd\u53ef\u4ee5\u63a5\u6536\u5355\u4e2a\u53ef\u7528\u533a\u6545\u969c\uff0c\u4f9d\u65e7\u4e0d\u4e22\u5931\u4efb\u4f55\u6570\u636e\uff0c\u4f46\u662f\u4ef7\u683c\u4e5f\u8d35\u4e86\u7ea670%\u3002\u6240\u4ee5\uff0c\u5bf9\u4e8e\u6570\u636e\u53ef\u9760\u6027\u548c\u4e00\u81f4\u6027\u8981\u6c42\u66f4\u9ad8\u7684\u573a\u666f\uff0c\u4f8b\u5982\u91d1\u878d\u4e1a\u52a1\u6216\u5176\u4ed6\u6709\u66f4\u5f3a\u5408\u89c4\u8981\u6c42\u7684\u4e1a\u52a1\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u8be5\u5f62\u6001\u3002<\/p>\n\n\n\n<p>\u53e6\u5916\uff0c\u76f8\u6bd4\u963f\u91cc\u4e91\u548c\u817e\u8baf\u4e91\uff0cAWS RDS\u7684\u4e09\u8282\u70b9\u5219\u6709\u66f4\u5e7f\u6cdb\u7684\u9002\u7528\u573a\u666f\u3002\u9664\u4e86\u4e0a\u8ff0\u91d1\u878d\u7c7b\u573a\u666f\u5916\uff0c\u666e\u901a\u7684\u3001\u8bfb\u538b\u529b\u975e\u5e38\u5927\uff08\u4e14\u4ecb\u7ecd\u4e00\u5b9a\u7684\u5ef6\u8fdf\uff09\u7684\u4e1a\u52a1\u573a\u666f\u4e5f\u53ef\u4ee5\u4f7f\u7528\uff0c\u7406\u8bba\u4e0a\uff0cAWS RDS\u4e09\u8282\u70b9\u4ef7\u683c\u867d\u7136\u8d35\u4e8670%\uff0c\u4f46\u662f\u8bfb\u7684\u80fd\u529b\u5e94\u8be5\u662f\u539f\u6765\u76843\u500d\u5de6\u53f3\u3002\u6240\u4ee5\uff0c\u5982\u679c\u662f\u8bfb\u5bc6\u96c6\u578b\u7684\u573a\u666f\uff0c\u8be5\u5f62\u6001\u7684\u6027\u4ef7\u6bd4\u8fd8\u662f\u6bd4\u8f83\u9ad8\u7684\u3002\u5982\u679c\uff0c\u4e1a\u52a1\u6070\u597d\u6570\u636e\u4e00\u81f4\u6027\u8981\u6c42\u975e\u5e38\u9ad8\uff0c\u5408\u89c4\u4e0a\u8981\u6c42\u4e09\u53ef\u7528\u533a\uff0c\u53c8\u6709\u6bd4\u8f83\u5927\u7684\u8bfb\u6269\u5c55\u6027\u8981\u6c42\uff0c\u90a3\u4e48\u5c31\u662f\u8fd9\u4e2a\u5f62\u6001\u7684\u5b8c\u7f8e\u573a\u666f\u4e86\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u521b\u5efa\u4e0e\u4f7f\u7528AWS RDS\u4e09\u8282\u70b9<\/strong><\/h3>\n\n\n\n<p>\u5728\u521b\u5efaRDS\u7684\u65f6\u5019\uff0c\u53ea\u9700\u8981\u9009\u62e9Multi-AZ DB Cluster\u9009\u9879\u5c31\u53ef\u4ee5\u4e86\u3002\u5b9e\u4f8b\u5b8c\u6210\u521b\u5efa\u540e\uff0c\u53ef\u4ee5\u770b\u5230\u96c6\u7fa4\u6709\u4e09\u4e2a\u8282\u70b9\uff0c\u5206\u522b\u5728\u4e09\u4e2a\u53ef\u7528\u533a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"395\" src=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_2-1024x395.png\" alt=\"\" data-id=\"7310\" data-link=\"https:\/\/www.orczhou.com\/?attachment_id=7310\" class=\"wp-image-7310\" srcset=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_2-1024x395.png 1024w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_2-300x116.png 300w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_2-768x296.png 768w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_2.png 1534w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"397\" src=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_4-1024x397.png\" alt=\"\" data-id=\"7311\" data-full-url=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_4.png\" data-link=\"https:\/\/www.orczhou.com\/?attachment_id=7311\" class=\"wp-image-7311\" srcset=\"https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_4-1024x397.png 1024w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_4-300x116.png 300w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_4-768x298.png 768w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_4-1536x596.png 1536w, https:\/\/www.orczhou.com\/wp-content\/uploads\/2022\/04\/Snip20220409_4-2048x795.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>\u5728\u5b8c\u6210\u5b9e\u4f8b\u521b\u5efa\u4e4b\u540e\uff0c\u8be5\u96c6\u7fa4\u63d0\u4f9b\u4e86\u4e09\u4e2aEndpoint\u7ed9\u7528\u6237\u4f7f\u7528\u3002Multi-AZ Cluster\u63d0\u4f9b\u4e24\u7c7bEndpoint\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u96c6\u7fa4\u5199\u5165\u7684Endpoint\u3001\u96c6\u7fa4\u53ea\u8bfb\u7684Endpoint<\/li><li>\u5355\u4e2a\u5199\u5b9e\u4f8b\u7684Endpoint\u3001\u5355\u4e2a\u53ea\u8bfb\u5b9e\u4f8b\u7684Endpoint\uff08\u4e24\u4e2a\uff09<\/li><\/ul>\n\n\n\n<p>\u5176\u4e2d\uff0c\u96c6\u7fa4\u7ea7\u522b\u7684Endpoint\u662f\u7a33\u5b9a\u7684\uff0c\u5728\u96c6\u7fa4\u53d1\u751f\u5207\u6362\u65f6\uff0c\u8fd9\u4e24\u4e2aEndpoint\u5f62\u6001\u4e0d\u4f1a\u6539\u53d8\u3002\u800c\u5355\u5b9e\u4f8b\u7ea7\u522b\u7684Endpoint\u5219\u4f1a\u968f\u7740\u5207\u6362\u540e\uff0c\u89d2\u8272\u53d1\u751f\u53d8\u5316\uff08\u5982\u4ece\u53ef\u5199\u5230\u53ea\u8bfb\uff09\uff0c\u8fd9\u4e9bEndpoint\u5e94\u8be5\u5c3d\u91cf\u7528\u4f5c\u8bca\u65ad\uff0c\u800c\u4e0d\u662f\u5b9e\u9645\u4e1a\u52a1\u3002<\/p>\n\n\n\n<p>\u53e6\u5916\uff0c\u96c6\u7fa4\u53ea\u8bfbEndpoint\u4f1a\u5c06\u6d41\u91cf\u53d1\u9001\u5230\u4e24\u4e2a\u8bfb\u8282\u70b9\u4e2d\u7684\u4e00\u4e2a\uff08The reader endpoint connects to either of the two reader DB instances, which support only read operations\uff09\uff0c\u6240\u4ee5\uff0c\u8bfb\u53d6\u7684\u6570\u636e\u53ef\u80fd\u4f1a\u51fa\u73b0\u5ef6\u8fdf\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6709\u4e86\u4e24\u8282\u70b9\uff0c\u53c8\u505a\u4e09\u8282\u70b9\uff0c\u662f\u5728\u5377\u5417\uff1f<\/strong><\/h3>\n\n\n\n<p>\u5728\u4e24\u8282\u70b9\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u4e00\u4e2a\u8282\u70b9\u53d1\u751f\u707e\u96be\u9700\u8981\u91cd\u5efa\uff0c\u901a\u5e38\u5f53\u6570\u636e\u91cf\u8f83\u5927\u7684\u65f6\u5019\uff0c\u8fd9\u4e2a\u91cd\u5efa\u65f6\u95f4\u4f1a\u6bd4\u8f83\u957f\uff0c\u8fd9\u65f6\u5019\u4e3b\u8282\u70b9\u901a\u5e38\u90fd\u662f\u4ee5\u5355\u8282\u70b9\u7684\u65b9\u5f0f\u63d0\u4f9b\u670d\u52a1\uff0c\u5982\u679c\u91cd\u5efa\u65f6\u95f4\u8d85\u8fc7\u5341\u5c0f\u65f6\uff0c\u90a3\u4e48\u4ec5\u5355\u8282\u70b9\u63d0\u4f9b\u670d\u52a1\u7684\u98ce\u9669\u8fd8\u662f\u6bd4\u8f83\u9ad8\u7684\u3002<\/p>\n\n\n\n<p>\u4ece\u67b6\u6784\u6f14\u8fdb\u6765\u770b\uff0c\u56fd\u5185\u4e91\u5382\u5546\u505a\u4e09\u8282\u70b9\u548cAWS RDS\u505a\u4e09\u8282\u70b9\u7684\u903b\u8f91\u662f\u4e0d\u4e00\u6837\u7684\u3002\u56fd\u5185\u5382\u5546\u662f\u56e0\u4e3a\uff0c\u4e24\u8282\u70b9\u6570\u636e\u53ef\u9760\u6027\u6709\u4e00\u4e9b\u7455\u75b5\uff08\u6362\u6765\u7684\u662f\u9ad8\u6027\u80fd\uff09\uff0c\u5728\u6b64\u57fa\u7840\u4e0a\u63a8\u51fa\u4e09\u8282\u70b9\u89e3\u51b3\u8fd9\u4e2a\u7455\u75b5\uff08\u4ed8\u51fa\u7684\u4ee3\u4ef7\u4e5f\u662f\u6027\u80fd\uff09\u3002<\/p>\n\n\n\n<p>\u800cAWS RDS\u7684\u4e24\u8282\u70b9\u7684\u6570\u636e\u53ef\u9760\u6027\u5df2\u7ecf\u975e\u5e38\u9ad8\u4e86\uff08\u4ed8\u51fa\u4e86\u6027\u80fd\u7684\u4ee3\u4ef7\uff09\uff0c\u800c\u4e09\u8282\u70b9\u662f\u901a\u8fc7\u903b\u8f91\u590d\u5236\u3001\u5e76\u4e14\u65b0\u589e\u4e00\u4e2a\u590d\u5236\u8282\u70b9\u7684\u65b9\u5f0f\uff08\u4e24\u4e2a\u8282\u70b9\u4e2d\u4efb\u610f\u4e00\u4e2a\u590d\u5236\u6210\u529f\u5219\u6210\u529f\uff09\u63d0\u5347\u4e86\u53ef\u9760\u6027\u7684\u540c\u65f6\uff0c\u662f\u63d0\u5347\u4e86\u6027\u80fd\u7684\u3002\u6240\u4ee5\uff0cAWS RDS\u7684\u4e09\u8282\u70b9\uff0c\u76f8\u6bd4\u81ea\u5df1\u7684\u4e24\u8282\u70b9\uff0c\u6027\u80fd\u66f4\u597d\u4e86\uff0c\u8bfb\u6269\u5c55\u80fd\u529b\u66f4\u597d\u4e86\uff0c\u9002\u7528\u7684\u573a\u666f\u4e5f\u66f4\u52a0\u5e7f\u6cdb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u4e00\u4e9b\u8865\u5145\u8bf4\u660e<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>\u963f\u91cc\u4e91RDS\u7684\u4e24\u8282\u70b9\u5f62\u6001\uff0c\u63d0\u4f9b\u4e86\u4e09\u79cd\u53c2\u6570\u9009\u62e9\uff1a<ul><li>\u4e00\u79cd\u662f\u5f02\u6b65\uff0c\u9ad8\u6027\u80fd\uff1async_binlog=1000, innodb_flush_log_at_trx_commit=2, async<\/li><li>\u4e00\u79cd\u662f\u540c\u6b65\uff08\u4f7f\u7528\u4e86\u534a\u540c\u6b65\u6280\u672f\uff09<\/li><li>\u53e6\u4e00\u79cd\u662f\u5f02\u6b65\uff0c\u4f46\u662f\u8bbe\u7f6e\u4e86&#8221;\u53cc1&#8243;\uff0c\u5355\u4e2a\u8282\u70b9\u5b89\u5168\u6027\u66f4\u9ad8<\/li><\/ul><\/li><\/ul>\n\n\n\n<p>\u5728\u672c\u6587\u6863\u7684\u63cf\u8ff0\u4e2d\uff0c\u4e3a\u4e86\u7b80\u5316\uff0c\u63d0\u5230\u963f\u91cc\u4e91\u4e24\u8282\u70b9\u5f62\u6001\u65f6\uff0c\u901a\u5e38\u662f\u6307\u9ed8\u8ba4\u7684\u7b2c\u4e00\u79cd\u5f62\u6001\uff0c\u4e5f\u5c31\u662f\u5f02\u6b65\u9ad8\u6027\u80fd\u6a21\u5f0f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u817e\u8baf\u4e91\u7684\u6309\u91cf\u4ed8\u8d39\u4f1a\u5728\u4f7f\u7528\u7b2c4\u5929\u548c15\u5929\u4e4b\u540e\uff0c\u8ba1\u8d39\u4ef7\u683c\u4f1a\u5927\u5e45\u5ea6\u4e0b\u8c03\uff0c\u6240\u4ee5\u4e0a\u9762\u6309\u91cf\u4ed8\u8d39\u4ef7\u683c\u5e76\u4e0d\u80fd\u76f4\u63a5\u6bd4\u8f83\u3002<\/li><li>\u534e\u4e3a\u4e91RDS\u6682\u65f6\u4e0d\u652f\u6301\u4e09\u8282\u70b9\u5f62\u6001\u3002<\/li><li>\u5728Amazon RDS\u7ad9\u70b9\u4e2d\uff0cMulti-AZ Cluster\u5f62\u6001\u6709\u65f6\u4e5f\u88ab\u79f0\u4e3a\u201cReadable standby instances\u201d\u3002<\/li><li>\u4e3a\u4e86\u63a7\u5236\u4e3b\u8282\u70b9\u548c\u5907\u8282\u70b9\u7684\u5ef6\u8fdf\uff0c\u53ef\u4ee5\u901a\u8fc7\u53c2\u6570rpl_semi_sync_master_target_apply_lag\u63a7\u5236\uff0c\u5f53\u5ef6\u8fdf\u8fbe\u5230\u8be5\u53c2\u6570\u8bbe\u7f6e\u7684\u503c\u7684\u65f6\u5019\uff0cRDS\u4f1a\u901a\u8fc7\u6d41\u63a7\u7684\u65b9\u5f0f\u9650\u5236\u4e3b\u8282\u70b9\u7684\u5199\u5165\u3002<\/li><li>\u867d\u7136\uff0c\u6587\u6863\u4e2d\u5e76\u6ca1\u6709\u660e\u786e\u6307\u51fa\uff0c\u4f46\u662f\u731c\u6d4bMulti-AZ Cluster\u5e94\u8be5\u662f\u57fa\u7840MySQL\u7684\u534a\u540c\u6b65\u505a\u7684\u5b9e\u73b0\uff0c\u76f8\u6bd4\u5176\u4ed6\u4e00\u81f4\u6027\u534f\u8bae\uff0c\u8fd9\u79cd\u5b9e\u73b0\uff0c\u5728\u8bfb\u53d6\u6570\u636e\u7684\u5982\u679c\u4ecestandby\u8bfb\u53d6\uff0c\u90a3\u4e48\u5c31\u4f1a\u6709\u4e0d\u4e00\u81f4\u3002\u6240\u4ee5\uff0c\u9700\u8981\u4e00\u81f4\u6027\u8bfb\uff0c\u5219\u9700\u8981\u603b\u662f\u4ece\u5199\u8282\u70b9\u8bfb\u53d6\u6570\u636e\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u53c2\u8003<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/aws.amazon.com\/about-aws\/whats-new\/2021\/11\/multi-az-deployment-amazon-rds-postgre-sql\/\" target=\"_blank\" rel=\"noreferrer noopener\">New Multi-AZ deployment option for&nbsp;Amazon&nbsp;RDS<\/a><\/li><li><a href=\"https:\/\/aws.amazon.com\/rds\/features\/multi-az\/\" target=\"_blank\" rel=\"noreferrer noopener\">Amazon RDS Multi-AZ with one standby<\/a><\/li><li><a href=\"https:\/\/docs.aws.amazon.com\/AmazonRDS\/latest\/UserGuide\/multi-az-db-clusters-concepts.html#multi-az-db-clusters-concepts-connection-management-viewing\" target=\"_blank\" rel=\"noreferrer noopener\">Multi-AZ DB cluster deployments &#8211; Amazon Relational Database Service<\/a><\/li><li><a href=\"https:\/\/www.orczhou.com\/index.php\/2020\/07\/amazon-rds-how-to-keep-data-sync-in-multi-az\/\" target=\"_blank\" rel=\"noreferrer noopener\">Amazon RDS\u7684\u540c\u6b65\u590d\u5236\u662f\u5982\u4f55\u5b9e\u73b0\u7684<\/a><\/li><li><a href=\"https:\/\/help.aliyun.com\/document_detail\/51701.html\" target=\"_blank\" rel=\"noreferrer noopener\">\u4e09\u8282\u70b9\u4f01\u4e1a\u7248 &#8211; \u4e91\u6570\u636e\u5e93 RDS &#8211; \u963f\u91cc\u4e91<\/a><\/li><li><a href=\"https:\/\/cloud.tencent.com\/document\/product\/236\/47907\" target=\"_blank\" rel=\"noreferrer noopener\">\u4e09\u8282\u70b9\uff08\u539f\u91d1\u878d\u7248\uff09-\u817e\u8baf\u4e91\u6570\u636e\u5e93<\/a><\/li><li><a href=\"https:\/\/help.aliyun.com\/document_detail\/51701.html?spm=a2c4g.11186623.0.0.34f548e82wfnZw\" target=\"_blank\" rel=\"noreferrer noopener\">\u4e09\u8282\u70b9\u4f01\u4e1a\u7248\u7684\u76f8\u5173\u4fe1\u606f_\u4e91\u6570\u636e\u5e93 RDS-\u963f\u91cc\u4e91<\/a><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u53bb\u5e7411\u6708\uff0cAmazon RDS\u63a8\u51fa\u7684\u65b0\u7684\u5f62\u6001\uff1aMulti-AZ Cluster\uff08\u4e09\u53ef\u7528\u533a\u4e09\u8282\u70b9\uff09\u3002\u76f8\u6bd4\u201c\u539f\u6765\u7684\u591aAZ\u201d\uff08\u4e24\u4e2a\u53ef\u7528\u533a\uff09\u67b6\u6784\uff0c\u65b0\u7684Cluster\u6a21\u5f0f\u662f\u4e09\u8282\u70b9\u67b6\u6784\uff0c\u63d0\u4f9b\u4e86\u66f4\u4f4e\u7684\u4e8b\u52a1\u5ef6\u8fdf\uff0c\u540c\u65f6\u6709\u66f4\u597d\u7684\u8bfb\u6269\u5c55\u80fd\u529b\u3002\u56fd\u5185\u7684\u4e91\u5382\u5546\u4e2d\uff0c\u963f\u91cc\u4e91\u548c\u817e\u8baf\u4e91\u5f88\u65e9\u5c31\u6709\u4e86\u4e09\u8282\u70b9\u5f62\u6001\uff0c\u4e00\u8d77\u770b\u770b\uff0c\u4ed6\u4eec\u6709\u54ea\u4e9b\u5f02\u540c\uff0c\u5728\u5b9e\u9645\u7684\u4e1a\u52a1\u573a\u666f\u4e2d\uff0c\u54ea\u4e9b\u60c5\u51b5\u53ef\u4ee5\u9009\u62e9\u8fd9\u79cd\u5f62\u6001\u3002 AWS RDS\u4e09\u8282\u70b9\uff08Multi-AZ Cluster\uff09\u662f\u4ec0\u4e48\uff1f \u8fd9\u91cc\u5c06\u5176\u4e3b\u8981\u7279\u70b9\u6982\u62ec\u5982\u4e0b\uff1a 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