{"id":72,"date":"2022-04-29T20:28:54","date_gmt":"2022-04-29T12:28:54","guid":{"rendered":"https:\/\/frogvps.com\/?p=72"},"modified":"2022-09-24T23:18:51","modified_gmt":"2022-09-24T15:18:51","slug":"nginx%e5%8f%8d%e5%90%91%e4%bb%a3%e7%90%86%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1%e5%8f%8a%e8%b0%83%e5%ba%a6%e7%ae%97%e6%b3%95","status":"publish","type":"post","link":"https:\/\/frogvps.com\/?p=72","title":{"rendered":"nginx\u53cd\u5411\u4ee3\u7406\u8d1f\u8f7d\u5747\u8861\u53ca\u8c03\u5ea6\u7b97\u6cd5"},"content":{"rendered":"\n

Nginx \u53ef\u4ee5\u57fa\u4e8engx_http_upstream_module\u6a21\u5757\uff0c\u63d0\u4f9b\u670d\u52a1\u5668\u5206\u7ec4\u8f6c\u53d1\u3001\u6743\u91cd\u5206\u914d\u3001\u72b6\u6001\u76d1\u6d4b\u3001\u8c03\u5ea6\u7b97\u6cd5\u7b49\u9ad8\u7ea7\u529f\u80fd\u3002\u4e0b\u9762\u4f1a\u4ecb\u7ecd\u5982\u4f55\u914d\u7f6eupstream\u6765\u5b9e\u73b0\u5bf9\u540e\u7aef\u591a\u53f0\u670d\u52a1\u5668\u7684\u8f6e\u6d41\u8c03\u5ea6\u3002<\/p>\n\n\n\n

\u6307\u4ee4<\/h2>\n\n\n\n
#\u914d\u7f6e\u4e00\u4e2a\u540e\u7aefweb\u670d\u52a1\u5668\uff0c\u914d\u7f6e\u5728upstream\u5185\uff0c\u81f3\u5c11\u8981\u6709\u4e00\u4e2aserver\u670d\u52a1\u5668\u914d\u7f6e\u3002\nserver address [parameters];\n\u200b\n#server\u652f\u6301\u7684parameters\u5982\u4e0b\uff1a\n#\u8bbe\u7f6e\u6743\u91cd\uff0c\u9ed8\u8ba4\u4e3a1,\u5b9e\u73b0\u7c7b\u4f3c\u4e8eLVS\u4e2d\u7684WRR,WLC\u7b49\nweight=number\n\u200b\n#\u7ed9\u5f53\u524dserver\u8bbe\u7f6e\u6700\u5927\u6d3b\u52a8\u94fe\u63a5\u6570\uff0c\u9ed8\u8ba4\u4e3a0\u8868\u793a\u6ca1\u6709\u9650\u5236\nmax_conns=number\n\u200b\n#\u5bf9\u540e\u7aef\u670d\u52a1\u5668\u8fde\u7eed\u76d1\u6d4b\u5931\u8d25\u591a\u5c11\u6b21\u5c31\u6807\u8bb0\u4e3a\u4e0d\u53ef\u7528,\u9ed8\u8ba4\u4e3a1\u6b21,\u5f53\u5ba2\u6237\u7aef\u8bbf\u95ee\u65f6,\u624d\u4f1a\u5229\u7528TCP\u89e6\u53d1\u5bf9\u63a2\u6d4b\u540e\u7aef\u670d\u52a1\u5668\u5065\u5eb7\u6027\u68c0\u67e5,\u800c\u975e\u5468\u671f\u6027\u7684\u63a2\u6d4b\nmax_fails=number \n\u200b\n#\u5bf9\u540e\u7aef\u670d\u52a1\u5668\u7684\u5355\u6b21\u76d1\u6d4b\u8d85\u65f6\u65f6\u95f4\uff0c\u9ed8\u8ba4\u4e3a10\u79d2\nfail_timeout=time \n\u200b\n#\u8bbe\u7f6e\u4e3a\u5907\u4efd\u670d\u52a1\u5668\uff0c\u5f53\u6240\u6709\u670d\u52a1\u5668\u4e0d\u53ef\u7528\u624d\u4f1a\u542f\u7528\u7684\u670d\u52a1\u5668\nbackup\n\u200b\n#\u6807\u8bb0\u4e3adown\u72b6\u6001\uff0c\u6807\u8bb0\u540e\u4ee3\u7406\u670d\u52a1\u5668\u5c31\u8ba4\u4e3a\u5b83\u6302\u4e86\ndown\n\u200b\n#\u5f53server\u5b9a\u4e49\u7684\u662f\u4e3b\u673a\u540d\u7684\u65f6\u5019\uff0c\u5f53A\u8bb0\u5f55\u53d1\u751f\u53d8\u5316\u4f1a\u81ea\u52a8\u5e94\u7528\u65b0IP\u800c\u4e0d\u7528\u91cd\u542fNginx\nresolve \n\u200b\n#\u57fa\u4e8e\u6307\u5b9a\u8bf7\u6c42\u62a5\u6587\u4e2d\u9996\u90e8\u5b57\u6bb5\u6216\u8005URI\u7b49key\u505ahash\u8ba1\u7b97\uff0c\u4f7f\u7528consistent\u53c2\u6570\uff0c\u5c06\u4f7f\u7528ketama\u4e00\u81f4\u6027hash\u7b97\u6cd5\uff0c\u9002\u7528\u4e8e\u540e\u7aef\u662fCache\u670d\u52a1\u5668\uff08\u5982varnish\uff09\u65f6\u4f7f\u7528consistent\u5b9a\u4e49\u4f7f\u7528\u4e00\u81f4\u6027hash\u8fd0\u7b97\uff0c\u4e00\u81f4\u6027hash\u57fa\u4e8e\u53d6\u6a21\u8fd0\u7b97\u3002\nhash KEY [consistent];\n\u200b\n#\u57fa\u4e8e\u7528\u6237\u8bf7\u6c42\u7684uri\u505ahash\nhash $request_uri consistent;\n\u200b\n#\u57fa\u4e8ecookie\u4e2d\u7684sessionid\u8fd9\u4e2akey\u8fdb\u884chash\u8c03\u5ea6,\u5b9e\u73b0\u4f1a\u8bdd\u7ed1\u5b9a\nhash $cookie_sessionid\n\u200b\n#\u6e90\u5730\u5740hash\u8c03\u5ea6\u65b9\u6cd5\uff0c\u57fa\u4e8e\u7684\u5ba2\u6237\u7aef\u7684remote_addr(\u6e90\u5730\u5740IPv4\u7684\u524d24\u4f4d\u6216\u6574\u4e2aIPv6\u5730\u5740)\u505ahash\u8ba1\u7b97\uff0c\u4ee5\u5b9e\u73b0\u4f1a\u8bdd\u4fdd\u6301\u3002\nip_hash;\n\u200b\n#\u6700\u5c11\u8fde\u63a5\u8c03\u5ea6\u7b97\u6cd5\uff0c\u4f18\u5148\u5c06\u5ba2\u6237\u7aef\u8bf7\u6c42\u8c03\u5ea6\u5230\u5f53\u524d\u8fde\u63a5\u6700\u5c11\u7684\u540e\u7aef\u670d\u52a1\u5668,\u76f8\u5f53\u4e8eLVS\u4e2d\u7684WLC\nleast_conn;<\/code><\/pre>\n\n\n\n
\u53cd\u5411\u4ee3\u7406\u540e\u7aef\u591a\u53f0web\u670d\u52a1\u5668<\/h2>\n\n\n\n
\u9996\u5148\u81ea\u5b9a\u4e49\u4e00\u7ec4\u670d\u52a1\u5668\uff0c\u914d\u7f6e\u5728http\u5757\u5185\u3002\u8fd9\u91cc\u7684IP\u5730\u5740\u66ff\u6362\u6210\u4f60\u60f3\u53cd\u4ee3\u7684\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n
http {
...
upstream webserver {
hash $request_uri consistent;
server 10.0.0.101:80 weight=1;
server 10.0.0.102:80 weight=1;
server 127.0.0.1:80 weight=1 backup;
}
...
}<\/code><\/pre>\n\n\n\n
\u7136\u540e\u5728server\u5757\u91cc\u8c03\u7528\u521a\u624d\u5b9a\u4e49\u7684upstream<\/p>\n\n\n\n
server {
...
listen 80;
location \/ {
  root  \/var\/www\/html;
  proxy_pass  http:\/\/webserver;
}
...
}<\/code><\/pre>\n\n\n\n
\u57fa\u4e8e hash \u7684\u8c03\u5ea6\u7b97\u6cd5<\/h2>\n\n\n\n
\u6240\u8c13\u57fa\u4e8ehash\u7684\u8c03\u5ea6\u7b97\u6cd5\u662f\u8fd9\u4e48\u5b9e\u73b0\u7684\u3002\u5f53\u6211\u4eec\u5bf9\u4e00\u4e2a\u6570\u636e\u8fdb\u884c\u54c8\u5e0c\u8fd0\u7b97\u7684\u65f6\u5019\uff0c\u4e0d\u540c\u7684\u6570\u636e\u5f97\u5230\u7684\u54c8\u5e0c\u503c\u662f\u4e0d\u4e00\u6837\u7684\u3002nginx\u4f1a\u5bf9KEY\u8fdb\u884c\u54c8\u5e0c\u8fd0\u7b97\uff0cKEY\u7684\u503c\u53ef\u4ee5\u4eba\u4e3a\u6307\u5b9a\uff0c\u8fd9\u4e2aKEY\u53ef\u4ee5\u662f$request_uri\uff08\u57fa\u4e8e\u7528\u6237\u8bf7\u6c42\u7684uri\u505ahash\uff09\uff0c\u4e5f\u53ef\u4ee5\u662f$cookie_sessionid\uff08\u57fa\u4e8ecookie\u4e2d\u7684sessionid\u8fd9\u4e2akey\u8fdb\u884chash\u8c03\u5ea6,\u5b9e\u73b0\u4f1a\u8bdd\u7ed1\u5b9a\uff09\u3002<\/p>\n\n\n\n
\u5f97\u5230\u7684\u54c8\u5e0c\u7ed3\u679c\uff0c\u9664\u4ee5\u603b\u7684\u6743\u91cd\uff0c\u6839\u636e\u5f97\u5230\u7684\u4f59\u6570\u6765\u51b3\u5b9a\u8c03\u5ea6\u5230\u54ea\u4e00\u53f0\u540e\u7aef\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n
\u6240\u4ee5\u5f53\u6211\u4eec\u5c06KEY\u8bbe\u7f6e\u6210$request_uri\u7684\u65f6\u5019\uff0c\u5982\u679c\u5ba2\u6237\u7aef\u6bcf\u6b21\u8bbf\u95ee\u540c\u4e00\u4e2auri\uff0c\u5b83\u4eec\u7684\u54c8\u5e0c\u503c\u7ed3\u679c\u662f\u4e00\u6837\u7684\uff0c\u6240\u4ee5\u8bf7\u6c42\u4f1a\u88ab\u7a33\u5b9a\u8c03\u5ea6\u5230\u540c\u4e00\u53f0\u540e\u7aef\u670d\u52a1\u5668\u4e0a\u3002<\/p>\n\n\n\n
\u4f46\u662f\u968f\u7740\u4e1a\u52a1\u7684\u53d1\u5c55\uff0c\u603b\u6743\u91cd\u662f\u53ef\u80fd\u53d1\u751f\u53d8\u5316\u7684\uff0c\u540e\u7aef\u670d\u52a1\u5668\u7684\u6570\u91cf\u4e5f\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u9020\u6210\u4e86\u8c03\u5ea6\u7684\u4e0d\u7a33\u5b9a\u3002\u5bfc\u81f4\u672c\u6765\u5e94\u8be5\u8c03\u5ea6\u5230a\u670d\u52a1\u5668\u7684\uff0c\u5374\u8c03\u5ea6\u5230b\u670d\u52a1\u5668\u90a3\u91cc\u53bb\u4e86\uff0c\u539f\u6765\u4fdd\u5b58\u5728a\u670d\u52a1\u5668\u4e0a\u7684\u7528\u6237s\u7f13\u5b58\u4fe1\u606f\u5c31\u56e0\u6b64\u5931\u6548\u4e86\u3002<\/p>\n\n\n\n
\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u4e00\u81f4\u6027hash\u7b97\u6cd5\u5c31\u4ea7\u751f\u4e86\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u6709\u56db\u53f0\u540e\u7aef\u670d\u52a1\u5668\u3002\u5047\u8bbeKEY\u662f$request_uri\uff0c\u5f53\u7528\u6237\u8bbf\u95ee\u67d0\u4e2auri\uff0cnginx\u5bf9\u5b83\u505a\u54c8\u5e0c\u8fd0\u7b97\uff0c\u5f97\u5230\u4e00\u4e2a\u7ed3\u679c\u3002\u7136\u540e\u7528\u7ed3\u679c\u5bf92\u768432\u6b21\u65b9\u53d6\u6a21\uff0c\u7ed3\u679c\u4e00\u5b9a\u662f0 \u5230\uff082^32-1\uff09\u4e4b\u95f4\u7684\u67d0\u4e00\u4e2a\u6570\u5b57\u3002\u6211\u4eec\u628a\u8fd9\u4e2a\u6570\u653e\u5728\u4e0a\u56fe\u7684\u5706\u73af\u91cc\u3002\u4e0d\u540c\u7684uri\u4f1a\u5f97\u5230\u4e0d\u540c\u7684\u6570\uff0c\u4f4d\u4e8e\u5706\u73af\u7684\u4e0d\u540c\u4f4d\u7f6e\u3002\u540c\u65f6\u5bf9\u540e\u7aef\u670d\u52a1\u5668\u505a\u54c8\u5e0c\u8fd0\u7b97\uff0c\u540c\u6837\u5bf9\u7ed3\u679c\u53d6\u6a21\uff0c\u5f97\u5230\u67d0\u4e2a\u6570\u5b57\uff08node1 2 3 4\uff09\u540c\u6837\u662f\u843d\u5728\u5706\u73af\u7684\u4e0d\u540c\u4f4d\u7f6e\u3002\u5f53\u7528\u6237\u8bf7\u6c42\u67d0\u4e2auri\u7684\u65f6\u5019\uff0c\u7cfb\u7edf\u4f1a\u6309\u987a\u65f6\u9488\u987a\u5e8f\u4ece\u5706\u73af\u4e00\u76f4\u5f80\u4e0b\u627e\uff0c\u627e\u5230\u79bb\u8fd9\u4e2a\u6570\u6700\u8fd1\u7684\u8282\u70b9\uff08node\uff09\u6765\u63d0\u4f9b\u670d\u52a1\u3002\u8fd9\u5c31\u662f\u4e00\u81f4\u6027hash\u7b97\u6cd5\u7684\u539f\u7406\u3002<\/p>\n\n\n\n
\u518d\u770b\u4e0a\u56fe\u53f3\u8fb9\u90a3\u4e2a\u5706\u73af\uff0c\u5f53\u540e\u7aef\u589e\u52a0\u4e86\u4e00\u53f0\u65b0\u670d\u52a1\u5668\uff0c\u6211\u4eec\u540c\u6837\u5bf9\u8fd9\u53f0\u670d\u52a1\u5668\u505a\u54c8\u5e0c\u8fd0\u7b97\uff0c\u5e76\u4e14\u53d6\u6a21\u5f97\u5230\u4e00\u4e2a\u6570\uff08node5), \u5047\u8bbe\u5b83\u4f4d\u4e8enode 4 \u548c node 2\u4e4b\u95f4\u3002\u8fd9\u65f6\u5019\u5982\u679c\u6709\u65b0\u7684\u8bf7\u6c42\u8fc7\u6765\uff0c\u53ea\u6709\u4e00\u5c0f\u6bb5\u8303\u56f4\u5185\u7684\u7528\u6237\u8bf7\u6c42\u4f1a\u88ab\u5f71\u54cd\uff0c\u5f71\u54cd\u7684\u8303\u56f4\u5f88\u5c0f\uff0c\u5927\u90e8\u5206\u7684\u8bf7\u6c42\u8fd8\u662f\u6309\u7167\u65e7\u7684\u65b9\u5f0f\u53bb\u8c03\u5ea6\u3002\u53ef\u4ee5\u770b\u51fa\u8fd9\u79cd\u7b97\u6cd5\u5728\u9047\u5230\u53d8\u5316\u65f6\u8868\u73b0\u5f97\u66f4\u52a0\u7684\u7a33\u5b9a\u3002\u5efa\u8bae\u5f00\u542f\u529f\u80fd\uff0c\u5f00\u542f\u7684\u65b9\u6cd5\u5f88\u7b80\u5355\uff0c\u5728KEY \u540e\u8fb9\u52a0\u4e0a\u4e00\u4e2aconsistent\u5c31\u5b8c\u4e8b\u4e86\u3002<\/p>\n\n\n\n
hash $request_uri consistent;<\/code><\/pre>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
Nginx \u53ef\u4ee5\u57fa\u4e8engx_http_upstream_module\u6a21\u5757\uff0c\u63d0\u4f9b\u670d\u52a1\u5668\u5206\u7ec4\u8f6c\u53d1\u3001\u6743\u91cd\u5206\u914d\u3001\u72b6\u6001\u76d1\u6d4b\u3001\u8c03\u5ea6\u7b97\u6cd5\u7b49\u9ad8\u7ea7\u529f\u80fd\u3002\u4e0b\u9762\u4f1a\u4ecb\u7ecd\u5982\u4f55\u914d\u7f6eupstream\u6765\u5b9e\u73b0\u5bf9\u540e\u7aef\u591a\u53f0\u670d\u52a1\u5668\u7684\u8f6e\u6d41\u8c03\u5ea6\u3002 \u6307\u4ee4 \u53cd\u5411\u4ee3\u7406\u540e\u7aef\u591a\u53f0web\u670d\u52a1\u5668 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[15,14,18,19],"topic":[],"class_list":["post-72","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux","tag-nginx","tag-18","tag-19"],"_links":{"self":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts\/72","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=72"}],"version-history":[{"count":4,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts\/72\/revisions"}],"predecessor-version":[{"id":204,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts\/72\/revisions\/204"}],"wp:attachment":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=72"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=72"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=72"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=72"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}