{"id":252,"date":"2022-03-31T23:08:46","date_gmt":"2022-03-31T15:08:46","guid":{"rendered":"https:\/\/www.osvlabs.com\/blog\/?p=252"},"modified":"2022-03-31T23:08:46","modified_gmt":"2022-03-31T15:08:46","slug":"aws%e5%ad%a6%e4%b9%a0%e7%b3%bb%e5%88%97-%e5%88%9b%e5%bb%ba%e9%ab%98%e5%8f%af%e7%94%a8%e6%9c%8d%e5%8a%a1","status":"publish","type":"post","link":"https:\/\/blog.osvlabs.com\/?p=252","title":{"rendered":"AWS\u5b66\u4e60\u7cfb\u5217-\u521b\u5efa\u9ad8\u53ef\u7528\u670d\u52a1"},"content":{"rendered":"<p>\u8fd0\u884c\u5355\u4e2a\u670d\u52a1\u5668\u662f\u4e00\u4e2a\u597d\u7684\u5f00\u59cb\uff0c\u4f46\u662f\u5728\u73b0\u5b9e\u4e16\u754c\u4e2d\uff0c\u5355\u4e2a\u670d\u52a1\u5668\u610f\u5473\u7740\u5355\u70b9\u6545\u969c\u3002\u5728\u670d\u52a1\u5668\u5d29\u6e83\u6216\u6d41\u91cf\u8fc7\u5927\u800c\u5bfc\u81f4\u670d\u52a1\u5668\u8fc7\u8f7d\u7684\u60c5\u51b5\u4e0b\uff0c\u7528\u6237\u5c06\u65e0\u6cd5\u8bbf\u95ee\u7ad9\u70b9\u3002<\/p>\n<p>\u8fd9\u91cc\u4ecb\u7ecd\u4e00\u4e9b\u5b9e\u73b0\u9ad8\u53ef\u7528\u7ad9\u70b9\u7528\u5230\u7684\u670d\u52a1\uff0c\u5982\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u5f39\u6027\u4f38\u7f29\u7ec4\u7b49<\/p>\n<p><img src=\"http:\/\/pek3b.qingstor.com\/hexo-blog\/20220330221910.png\" alt=\"\" \/><\/p>\n<h3>Load Blancer \u8d1f\u8f7d\u5747\u8861\u5668<\/h3>\n<p>\u8d1f\u8f7d\u5747\u8861\u5668\u8d1f\u8d23\u5c06\u7f51\u7edc\u6d41\u91cf\u5206\u53d1\u7ed9\u4e0b\u6e38\u7684\u591a\u4e2a\u5b9e\u4f8b\u3002<\/p>\n<blockquote>\n<p>AWS\u8d1f\u8f7d\u5747\u8861\u5668\u672c\u8eab\u4e5f\u4e0d\u662f\u5355\u4e2a\u670d\u52a1\u5668\uff0c\u800c\u662f\u7531\u8de8\u5b50\u7f51\uff08\u8de8\u6570\u636e\u4e2d\u5fc3\uff09\u90e8\u7f72\u7684\u591a\u4e2a\u670d\u52a1\u5668\u7ec4\u6210\u7684\u3002AWS\u4f1a\u6839\u636e\u6d41\u91cf\u81ea\u52a8\u7f29\u653e\u8d1f\u8f7d\u5747\u8861\u5668\u670d\u52a1\u5668\u7684\u6570\u91cf\uff0c\u5e76\u5728\u5355\u4e2a\u670d\u52a1\u5668\u51fa\u73b0\u6545\u969c\u65f6\u8f6c\u79fb\u6d41\u91cf\u5230\u5176\u4ed6\u670d\u52a1\u5668\uff0c\u56e0\u6b64\u53ef\u4ee5\u7acb\u5373\u83b7\u5f97\u9ad8\u6269\u5c55\u6027\u548c\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n<\/blockquote>\n<p>\u76ee\u7684\uff1a\u9ad8\u53ef\u7528\uff0c\u5982\u56fe\uff0c\u5728\u4e24\u4e2atomcat\u670d\u52a1\u5668\u57fa\u7840\u4e0a\u521b\u5efa\u4e00\u4e2a\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u67d0\u4e2atomcat\u6302\u4e86(\u6216\u6b63\u5728\u5347\u7ea7)\uff0c\u6d41\u91cf\u4f1a\u81ea\u52a8\u8f6c\u53d1\u5230\u53e6\u5916\u4e00\u53f0<\/p>\n<p>\u4e3a\u8fd0\u7ef4\u4e5f\u5e26\u6765\u4e86\u65b9\u4fbf\uff0c\u6bd4\u5982\u6211\u4eec\u5728\u540e\u53f0\u4fee\u6539\u8d1f\u8f7d\u5747\u8861\u5668\u7684\u89c4\u5219\uff0c\u8ba9\u8fc7\u6765\u7684\u6d41\u91cf\u5148\u8d70\u6307\u5b9a\u7684\uff0c\u67d0\u53f0\u5b9e\u4f8b<\/p>\n<p>\u8d1f\u8f7d\u5747\u8861\u5668\u5206\u4e3a4\u5c42\u4ee3\u7406\u548c7\u5c42\u4ee3\u7406<\/p>\n<ul>\n<li>4\u5c42\u4ee3\u7406\uff08\u6307\u7f51\u7edc7\u5c42\u6a21\u578b\uff08OSI\uff09\u7684\u4f20\u8f93\u5c42\uff0cTCP\uff09,   \u4e3e\u4f8b\uff1aLinux\u7684LVS<\/li>\n<li>7\u5c42\u4ee3\u7406\uff08\u6307\u7f51\u7edc7\u5c42\u6a21\u578b\uff08OSI\uff09\u7684\u5e94\u7528\u5c42\uff0cHTTP\uff09, \u4e3e\u4f8b\uff1aNginx<\/li>\n<\/ul>\n<p>AWS \u4e2d\uff0cApplication Load Blancer \u5bf9\u5e94\u7684\u5c31\u662f7\u5c42\u4ee3\u7406\uff0c\u4e5f\u662f\u6bd4\u8f83\u5e38\u7528\u7684<\/p>\n<p><img src=\"http:\/\/pek3b.qingstor.com\/hexo-blog\/20220330221052.png\" alt=\"\" \/><\/p>\n<ul>\n<li>\u5e94\u7528\u7a0b\u5e8f\u8d1f\u8f7d\u5747\u8861\u5668\uff08ALB\uff09<br \/>\n\u9002\u5408HTTP\u548cHTTPS\u6d41\u91cf\u7684\u8d1f\u8f7d\u5747\u8861\uff0c\u5de5\u4f5c\u5728OSI\u6a21\u578b\u7684\u5e94\u7528\u5c42\uff08\u7b2c7\u5c42\uff09\u3002<\/li>\n<li>\u7f51\u7edc\u8d1f\u8f7d\u5747\u8861\u5668\uff08NLB\uff09<br \/>\n\u9002\u5408TCP\u3001UDP\u548cTLS\u6d41\u91cf\u7684\u8d1f\u8f7d\u5747\u8861\uff0c\u53ef\u4ee5\u6bd4ALB\u66f4\u5feb\u5730\u54cd\u5e94\u5411\u4e0a\u6216\u5411\u4e0b\u6269\u5c55\uff08NLB\u6bcf\u79d2\u53ef\u4ee5\u5904\u7406\u5343\u4e07\u7ea7\u8bf7\u6c42\uff09\uff0c\u5728OSI\u6a21\u578b\u7684\u4f20\u8f93\u5c42\uff08\u7b2c4\u5c42\uff09\u4e0a\u8fd0\u884c\u3002<\/li>\n<\/ul>\n<p>\u521b\u5efaLB\u8981\u7ed1\u5b9a\u76f8\u5173\u7684\u76ee\u6807\u7ec4\uff0c\u4fa6\u542c\u5668\u4ee5\u53ca\u8f6c\u53d1\u89c4\u5219<\/p>\n<h3>\u521b\u5efa\u76ee\u6807\u7ec4<\/h3>\n<p>\u76ee\u6807\u7ec4\u91cc\u53ef\u4ee5\u5305\u542b\u591a\u4e2aEC2\u5b9e\u4f8b\uff0c\u6d41\u91cf\u5c06\u8f6c\u53d1\u8fd9\u4e9b\u9009\u4e2d\u7684\u5b9e\u4f8b\uff0c\u6bcf\u4e2a\u5b9e\u4f8b\u8981\u8fd0\u884c\u670d\u52a1\u5668\u7a0b\u5e8f\uff0c\u5982nginx\uff0ctomcat<\/p>\n<p>\u76ee\u6807\u7ec4\u5c06\u901a\u8fc7\u5b9a\u671f\u5411\u6bcf\u4e2a\u5b9e\u4f8b\u53d1\u9001HTTP\u8bf7\u6c42\uff0c\u8fdb\u884c\u5065\u5eb7\u68c0\u67e5\uff0c\u5e76\u4e14\u4ec5\u5f53\u5b9e\u4f8b\u8fd4\u56de\u4e0e\u914d\u7f6e\u7684matcher\u503c\u5339\u914d\u7684\u54cd\u5e94\u65f6\uff0c\u624d\u4f1a\u88ab\u8ba4\u4e3a\u662f\u201c\u5065\u5eb7\u201d\u7684<\/p>\n<p>\u5982\u679c\u67d0\u4e2a\u5b9e\u4f8b\u7531\u4e8e\u505c\u673a\u6216\u8fc7\u8f7d\u800c\u65e0\u6cd5\u8fd4\u56de\u5339\u914d\u7684\u54cd\u5e94\uff0c\u90a3\u4e48\u5b83\u5c06\u88ab\u6807\u8bb0\u4e3a\u201c\u8fd0\u884c\u72b6\u51b5\u4e0d\u4f73\u201d\uff0c\u76ee\u6807\u7ec4\u5c06\u81ea\u52a8\u505c\u6b62\u5411\u5176\u53d1\u9001\u6d41\u91cf\uff0c\u4ee5\u907f\u514d\u5bf9\u7528\u6237\u4ea7\u751f\u5f71\u54cd\u3002<\/p>\n<h3>\u4fa6\u542c\u5668\uff08listener\uff09<\/h3>\n<p>\u4fa6\u542c\u7279\u5b9a\u7aef\u53e3\uff08\u598280\uff09\u548c\u534f\u8bae\uff08\u5982HTTP\uff09<\/p>\n<h3>\u8f6c\u53d1\u89c4\u5219 Rule<\/h3>\n<p>\u63a5\u53d7\u8fdb\u5165\u4fa6\u542c\u5668\u7684\u8bf7\u6c42\uff0c\u5e76\u5c06\u7b26\u5408\u7279\u5b9a\u8def\u5f84\uff08\u5982\/foo\u548c\/bar\uff09\u6216\u7279\u5b9a\u4e3b\u673a\u540d\uff08\u5982foo.example.com\u548cbar.example.com\uff09\u7684\u8bf7\u6c42\u53d1\u9001\u5230\u7279\u5b9a\u76ee\u6807\u7ec4\u3002<\/p>\n<p>\u6bd4\u5982\u53ef\u4ee5\u914d\u7f6e\uff0c\u8bf7\u6c42\u5934\u4e2d\u5e26\u6709<\/p>\n<p><img src=\"http:\/\/pek3b.qingstor.com\/hexo-blog\/20220330221457.png\" alt=\"\" \/><\/p>\n<p>\u521b\u5efa\u6210\u529f\u540e\uff0cAWS\u4f1a\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e00\u4e2a\u57df\u540d\uff0c\u8bbf\u95ee\u6b64\u57df\u540d\u624d\u4f1a\u7ecf\u8fc7\u8d1f\u8f7d\u5747\u8861\uff0c\u6700\u7ec8\u5230\u8fbe\u540e\u7aef\u5b9e\u4f8b<br \/>\n<img src=\"http:\/\/pek3b.qingstor.com\/hexo-blog\/20220330221549.png\" alt=\"\" \/><\/p>\n<h3>Auto Scaling Group\uff08ASG\uff09 \u5f39\u6027\u4f38\u7f29\u7ec4<\/h3>\n<p>\u5f39\u6027\u4f38\u7f29\u7ec4\u7b80\u5355\u7406\u89e3\uff0c\u63d0\u524d\u5b9a\u4e49\u4e00\u4e2a\u914d\u7f6e\u6a21\u677f(\u5305\u542b\u5b9e\u4f8b\u7684\u64cd\u4f5c\u7cfb\u7edf\uff0c\u78c1\u76d8\uff0c\u7f51\u7edc\u7b49\u53c2\u6570\u4fe1\u606f)\uff0c\u548c\u5b9e\u4f8b\u6570\u91cf\uff0c\u6bd4\u5982\u6700\u5c111\u53f0\uff0c\u6700\u591a3\u53f0\uff0c\u5f53\u6d41\u91cf\u5c11\u65f6\uff0c\u542f\u52a8\u4e00\u53f0\uff0c\u5f53\u6d41\u91cf\u6216CPU\u4f7f\u7528\u7387\u6fc0\u589e\uff0c\u89e6\u53d1\u8bbe\u5b9a\u7684\u9608\u503c\uff0c\u6bd4\u5982CPU\u4f7f\u7528\u73871\u5206\u949f\u8d85\u8fc790%\uff0c\u5f39\u6027\u4f38\u7f29\u7ec4\u4f1a\u81ea\u52a8\u521b\u5efa\u51fa\u66f4\u591a\u7684\u5b9e\u4f8b\u3002\u800c\u5f53\u4f4e\u4e8e\u9608\u503c\u65f6\uff0c\u591a\u4f59\u7684\u5b9e\u4f8b\u53c8\u4f1a\u88ab\u81ea\u52a8\u5173\u95ed\u3002<\/p>\n<p>\u7528\u6237\u901a\u8fc7\u4f7f\u7528AWS\u7684Auto Scaling Group\uff08ASG\uff09\u6765\u5b9e\u73b0\u81ea\u52a8\u7ba1\u7406<\/p>\n<p>\u521b\u5efaASG\u7684\u7b2c\u4e00\u6b65\u662f\u521b\u5efa\u542f\u52a8\u914d\u7f6e\uff08launch configuration\uff09\uff0c\u542f\u52a8\u914d\u7f6e\u5c06\u5b9a\u4e49\u5982\u4f55\u8bbe\u7f6eASG\u4e2d\u7684\u6bcf\u4e2aEC2\u5b9e\u4f8b<\/p>\n<p><img src=\"http:\/\/pek3b.qingstor.com\/hexo-blog\/20220330213605.png\" alt=\"\" \/><\/p>\n<p><img src=\"http:\/\/pek3b.qingstor.com\/hexo-blog\/20220330215920.png\" alt=\"\" \/><\/p>\n<h3>placement groups \u7f6e\u653e\u7fa4\u7ec4<\/h3>\n<p>\u524d\u9762\u8bb2\u5230\u5b9e\u73b0\u9ad8\u53ef\u7528\uff0c\u6709\u4e2a\u524d\u63d0\u662f\u4f7f\u7528\u591a\u53f0\u5b9e\u4f8b\uff0c\u4f46\u662f\u8fd9\u591a\u53f0\u5b9e\u4f8b\u5728\u5730\u7406\u4e0a\u5982\u4f55\u653e\u7f6e\u7684\u5462\uff0c\u662f\u4f4d\u4e8e\u540c\u4e00\u673a\u67dc\uff1f\u8fd8\u662f\u5206\u6563\u591a\u53f0\u673a\u67dc\uff1f\u8fd8\u662f\u4f4d\u4e8e\u4e0d\u540c\u7684\u53ef\u7528\u533a\uff1f<\/p>\n<p>\u5b9a\u4e49\u7f6e\u653e\u7fa4\u7ec4\u5c31\u53ef\u4ee5\u7cbe\u786e\u505a\u5230\u3002<\/p>\n<p>\u7f6e\u653e\u7fa4\u7ec4\u7b56\u7565\u5206\uff1a\u96c6\u7fa4\uff0c\u5206\u6b65\u548c\u5206\u533a<\/p>\n<ul>\n<li>\u96c6\u7fa4\u7f6e\u653e\u7fa4\u7ec4\uff1a\u4e3a\u4e86\u5c06\u5b9e\u4f8b\u5c3d\u53ef\u80fd\u7684\u4e92\u76f8\u9760\u8fd1\uff0c\u4ee5\u8fbe\u5230\u4f4e\u5ef6\u8fdf\u3001\u9ad8\u541e\u5410\u91cf\uff0c\u5c3d\u91cf\u4f7f\u7528\u540c\u4e00\u673a\u67dc\u6216\u76f8\u90bb\u673a\u67dc\uff0c\u597d\u5904\uff1a\u4f4e\u5ef6\u8fdf\uff0c\u9ad8\u7f51\u7edc\u4f20\u8f93\uff0c\u574f\u5904\uff1a\u673a\u67dc\u65ad\u7535\u6216\u6545\u969c\u6216\u5f71\u54cd\u6240\u6709\u5b9e\u4f8b<\/li>\n<li>\u5206\u5e03\u7f6e\u653e\u7fa4\u7ec4\uff1a\u5c06\u6bcf\u4e2a\u542f\u52a8\u7684\u5b9e\u4f8b\u653e\u7f6e\u5728\u4e0d\u540c\u7684\u673a\u67b6\u4e0a\uff0c\u5e76\u4e14\u6bcf\u4e2a\u673a\u67dc\u5177\u6709\u5404\u81ea\u7684\u7f51\u7edc\u548c\u7535\u6e90<\/li>\n<li>\u5206\u533a\u7f6e\u653e\u7fa4\u7ec4\uff1aAmazon 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href=\"https:\/\/chaosstudygroup.github.io\/bfe-book\/frontend_principle\/load_balance\/load_balance.html\">https:\/\/chaosstudygroup.github.io\/bfe-book\/frontend_principle\/load_balance\/load_balance.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd0\u884c\u5355\u4e2a\u670d\u52a1\u5668\u662f\u4e00\u4e2a\u597d\u7684\u5f00\u59cb\uff0c\u4f46\u662f\u5728\u73b0\u5b9e\u4e16\u754c\u4e2d\uff0c\u5355\u4e2a\u670d\u52a1\u5668\u610f\u5473\u7740\u5355\u70b9\u6545\u969c\u3002\u5728\u670d\u52a1\u5668\u5d29\u6e83\u6216\u6d41\u91cf\u8fc7\u5927\u800c\u5bfc\u81f4\u670d\u52a1\u5668\u8fc7\u8f7d\u7684\u60c5\u51b5\u4e0b\uff0c\u7528\u6237\u5c06\u65e0\u6cd5\u8bbf\u95ee\u7ad9\u70b9\u3002 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