{"id":98849,"date":"2020-04-06T23:16:57","date_gmt":"2020-04-06T15:16:57","guid":{"rendered":"http:\/\/4563.org\/?p=98849"},"modified":"2020-04-06T23:16:57","modified_gmt":"2020-04-06T15:16:57","slug":"%e5%85%b3%e4%ba%8e-nginx-upstream-%e9%81%87%e5%88%b0%e7%9a%84%e4%b8%80%e4%b8%aa%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=98849","title":{"rendered":"\u5173\u4e8e nginx upstream \u9047\u5230\u7684\u4e00\u4e2a\u95ee\u9898"},"content":{"rendered":"
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\u5173\u4e8e nginx upstream \u9047\u5230\u7684\u4e00\u4e2a\u95ee\u9898 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : chenqh <\/span> <\/i> 57<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u6211\u5b9a\u4e49\u4e86\u4e00\u5806 upstream<\/p>\n

upstream {  server 127.0.0.1:1050;     server 127.0.0.1:1051;     server 127.0.0.1:1052;     server 127.0.0.1:1053; } <\/code><\/pre>\n
\u5728\u6211\u7684\u4ee3\u7801\u91cc\u9762\u6211\u5bf9\u9519\u8bef\u7684\u5904\u7406\u662f\u8fd9\u4e2a\u6837\u5b50\u7684<\/p>\n
    \n
  1. \u8bbe\u7f6e\u72b6\u6001\u4e3a 500<\/li>\n
  2. \u8fd4\u56de\u8be6\u7ec6\u7684 json<\/li>\n<\/ol>\n
    \u73b0\u5728\u9047\u5230\u4e86\u95ee\u9898
     \u53ea\u8981\u6211\u62fc\u547d\u5bfc\u81f4\u8fd9\u79cd 500 \u7684\u8bf7\u6c42
     \u7136\u4f1a\u5c31\u4f1a\u51fa\u73b0 502!
     \u96be\u9053 nginx \u5224\u65ad\u4e0a\u6e38\u662f\u4e0d\u662f fail\uff0c\u4e5f\u4f7f\u7528\u4e86 500
     \u6211\u6539\u6210\u4e86 400 \u5c31\u4e0d\u4f1a 502 \u4e86<\/p>\n
    \u6240\u4ee5\u95ee\u9898\u6765\u7684, upstream \u5224\u65ad\u4e0a\u6e38 fail \u5230\u5e95\u6709\u54ea\u4e9b\u6761\u4ef6\uff1f<\/p>\n<\/p><\/div>\n
     \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (12<\/span>)        <\/div>\n
     <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
      \n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : msg7086 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   5 \u7cfb\u662f\u670d\u52a1\u5668\u5d29\u6e83\u6216\u8005\u51fa\u95ee\u9898\u30024 \u7cfb\u662f\u5ba2\u6237\u7aef\u6709\u75c5\u3002\u6ca1\u8bb0\u9519\u7684\u8bdd\u662f\u8fd9\u4e2a\u89c4\u8303\uff0c\u4f60\u53ef\u4ee5\u53bb\u67e5\u67e5\u72b6\u6001\u7801\u5206\u7c7b\u542b\u4e49\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : also24 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u4f60\u662f\u5426\u914d\u7f6e\u4e86 proxy_next_upstream \u53c2\u6570\uff1f<\/p>\n
      \u6211\u7ffb\u770b\u4e86\u4e00\u4e0b\u5b98\u65b9\u6587\u6863 http:\/\/nginx.org\/en\/docs\/http\/ngx_http_upstream_module.html#max_fails 
      \u4e0a\u9762\u5199\u7684\u662f\uff1a
      What is considered an unsuccessful attempt is defined by the proxy_next_upstream……<\/p>\n
      \u518d\u7ffb\u770b proxy_next_upstream \u7684\u8bf4\u660e
      http:\/\/nginx.org\/en\/docs\/http\/ngx_http_proxy_module.html#proxy_next_upstream<\/p>\n
      \u9ed8\u8ba4\u53c2\u6570\u53ea\u6709 error \u548c timeout\uff0c\u6ca1\u6709\u5305\u542b http_50x                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : chenqh <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @also24 \u6211\u4e2a\u4eba\u662f\u6ca1\u6709\u914d\u7f6e\u7684\uff0c\u4f46\u662f\u6211\u7528\u7684\u662f bt \u7684 nginx\uff0c\u6211\u4e5f\u4e0d\u6562\u786e\u4fdd\u5230\u5e95\u914d\u6ca1\u6709\u914d\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : also24 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @chenqh #3 
      \u53ef\u4ee5\u81ea\u5df1\u624b\u52a8\u52a0\u5165\u4e00\u4e0b\u8fd9\u4e2a\u5b57\u6bb5\u6765\u8986\u76d6\u53c2\u6570\u8bd5\u8bd5\u770b                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
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       \u8cc7\u6df1\u5927\u4f6c : Livid <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u5982\u679c\u662f\u7528\u6237\u8f93\u5165\u4e86\u4e0d\u5408\u6cd5\u7684\u6570\u636e\uff0c\u540e\u7aef\u7a0b\u5e8f\u672c\u8eab\u6ca1\u6709\u56e0\u6b64\u5d29\u6e83\u7684\u8bdd\uff0c\u90a3\u4e48\u5e94\u8be5\u8fd4\u56de\u7684\u72b6\u6001\u7801\u662f 400 Bad Request\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : also24 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @chenqh #3 
      \u624d\u53cd\u6620\u8fc7\u6765\u4f60\u8bf4\u7684 bt \u662f\u5b9d\u5854\u554a\uff0c\u6211\u627e\u4e86\u4e2a\u5b9d\u5854\u7684\u670d\u7ffb\u4e86\u4e0b\u914d\u7f6e\uff0c\u786e\u5b9e\u662f\u5b9d\u5854\u52a0\u4e86\u8fd9\u4e00\u53e5<\/p>\n
      \u5b83\u7684 nginx \u914d\u7f6e\u6587\u4ef6\u5728\uff1a
      \/www\/server\/nginx\/conf\/nginx.conf<\/p>\n
      \u91cc\u9762\u5f15\u7528\u4e86\uff1a
      \/www\/server\/nginx\/conf\/proxy.conf<\/p>\n
      \u5728\u8fd9\u4e2a\u6587\u4ef6\u91cc\uff0c\u914d\u7f6e\u4e86\uff1a
      proxy_next_upstream error timeout invalid_header http_500 http_503 http_404;                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : chenqh <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @also24 \u6211\u521a\u521a\u5c45\u7136\u6ca1\u6709\u627e\u5230                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : also24 <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @chenqh #7 
      \u5176\u5b9e\u4e0d\u7ba1\u5b83\u6709\u6ca1\u6709\u52a0\uff0c\u81ea\u5df1\u5728\u76f8\u5e94\u7684 Server \u5b57\u6bb5\u91cc\u52a0\u597d\u8986\u76d6\u4e00\u4e0b\u5e94\u8be5\u4e5f\u662f\u6ca1\u95ee\u9898\u7684~                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : chenqh <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @also24 \u4e4b\u524d\u5b8c\u5168\u4e0d\u4f1a\uff0c\u4e4b\u524d\u53ea\u4f1a\u914d\u7f6e upstream, rewrite \u90fd\u662f\u4eca\u5e74\u5b66\u7684                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : wangyzj <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   \u5168 200
      \u7136\u540e\u7528\u81ea\u5b9a\u4e49 code \u6765\u533a\u5206\u662f\u6211\u7684\u4e60\u60ef\u554a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : chenqh <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @wangyzj \u4f46\u662f\u4f60\u8fd9\u4e2a\u6837\u5b50\u6709\u4e2a\u95ee\u9898\uff0c\u770b\u6d4f\u89c8\u5668\u76d1\u542c\u7684\u65f6\u5019\uff0c\u4e0d\u80fd\u5feb\u901f\u77e5\u9053\u4f60\u7684\u4e1c\u897f\u9519\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n
      \n
      \n
       \u8cc7\u6df1\u5927\u4f6c : wangyzj <\/span>  <\/div>\n
       <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                   @chenqh \u4e3b\u8981\u8fd8\u662f\u4e2a\u4eba\u4e60\u60ef\u5427
      \u6211\u4e4b\u6240\u4ee5\u8fd9\u4e48\u505a\u662f\u56e0\u4e3a\u61d2\uff0c\u8fd8\u6709\u5c31\u662f\u56e0\u4e3a\u6211\u4f1a\u4e5f\u4f1a\u628a\u6781\u4e25\u91cd\u95ee\u9898\u6539\u6210 500\uff0c\u5176\u4ed6\u7684 200\uff0c\u8981\u4e0d\u7136\u603b\u662f\u7ea2\u8272\u6211\u5fc3\u810f\u53d7\u4e0d\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
    • \n","protected":false},"excerpt":{"rendered":"
      \u5173\u4e8e nginx upstream…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/98849"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=98849"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/98849\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=98849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=98849"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=98849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}