清漆HTC状态-1

Question

我目前在我的Varnish上遇到了一些随机的503错误，我不知道它们是从哪里来的。FetchError如下：HTC Status -1，意思是HTC_S_EOF see here

不知何故，bereq立即失败，甚至没有一个请求发送到后端服务器。

你们知道如何定位和修复这个错误吗？我使用的是最新的Varish5.2版本，基于高山。

提前谢谢你！

下面是对应bereq的docker日志文件：

{"log":"-   Begin          bereq 5145026 pass\n","stream":"stdout","time":"2017-12-11T21:38:52.636374999Z"}
{"log":"-   Timestamp      Start: 1513028321.532661 0.000000 0.000000\n","stream":"stdout","time":"2017-12-11T21:38:52.636377235Z"}
{"log":"-   BereqMethod    POST\n","stream":"stdout","time":"2017-12-11T21:38:52.63637951Z"}
{"log":"-   BereqURL       /wp-admin/post.php\n","stream":"stdout","time":"2017-12-11T21:38:52.636384624Z"}
{"log":"-   BereqProtocol  HTTP/1.1\n","stream":"stdout","time":"2017-12-11T21:38:52.636387074Z"}
{"log":"-   BereqHeader    Host: www.example.com\n","stream":"stdout","time":"2017-12-11T21:38:52.636389318Z"}
{"log":"-   BereqHeader    User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0\n","stream":"stdout","time":"2017-12-11T21:38:52.636391598Z"}
{"log":"-   BereqHeader    Content-Length: 6225\n","stream":"stdout","time":"2017-12-11T21:38:52.636393963Z"}
{"log":"-   BereqHeader    Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\n","stream":"stdout","time":"2017-12-11T21:38:52.636396303Z"}
{"log":"-   BereqHeader    Accept-Encoding: gzip, deflate, br\n","stream":"stdout","time":"2017-12-11T21:38:52.636398632Z"}
{"log":"-   BereqHeader    Accept-Language: de\n","stream":"stdout","time":"2017-12-11T21:38:52.636400931Z"}
{"log":"-   BereqHeader    Content-Type: application/x-www-form-urlencoded\n","stream":"stdout","time":"2017-12-11T21:38:52.636403196Z"}
{"log":"-   BereqHeader    Cookie: scrollPositionX=undefined; scrollPositionY=undefined; wp-saving-post=45779-check; wordpress_sec_2bdc2b00e491d84e1c4be3840dfdb408=Joerg+Maire%7C1513151186%7CUhvUAmySXCqogpTK2a3VXswRI27TT1uZ4JyFuE
c2fdb1687cdfe93d1e69ee67280286479cbbec709af1\n","stream":"stdout","time":"2017-12-11T21:38:52.636406516Z"}
{"log":"-   BereqHeader    Dnt: 1\n","stream":"stdout","time":"2017-12-11T21:38:52.636409503Z"}
{"log":"-   BereqHeader    Referer: https://www.example.com/wp-admin/post.php?post=45779\u0026action=edit\n","stream":"stdout","time":"2017-12-11T21:38:52.636411823Z"}
{"log":"-   BereqHeader    Upgrade-Insecure-Requests: 1\n","stream":"stdout","time":"2017-12-11T21:38:52.636414276Z"}
{"log":"-   BereqHeader    X-Forwarded-Host: www.example.com\n","stream":"stdout","time":"2017-12-11T21:38:52.636416562Z"}
{"log":"-   BereqHeader    X-Forwarded-Port: 443\n","stream":"stdout","time":"2017-12-11T21:38:52.636431001Z"}
{"log":"-   BereqHeader    X-Forwarded-Proto: https\n","stream":"stdout","time":"2017-12-11T21:38:52.636433369Z"}
{"log":"-   BereqHeader    X-Forwarded-Server: lb-proxy-1\n","stream":"stdout","time":"2017-12-11T21:38:52.636435511Z"}
{"log":"-   BereqHeader    X-Real-Ip: XX.XX.XX.XXX\n","stream":"stdout","time":"2017-12-11T21:38:52.636437721Z"}
{"log":"-   BereqHeader    X-Forwarded-For: XX.XX.XX.XXX, 10.42.176.203\n","stream":"stdout","time":"2017-12-11T21:38:52.636439886Z"}
{"log":"-   BereqHeader    X-Varnish: 5145027\n","stream":"stdout","time":"2017-12-11T21:38:52.636442148Z"}
{"log":"-   VCL_call       BACKEND_FETCH\n","stream":"stdout","time":"2017-12-11T21:38:52.636444268Z"}
{"log":"-   VCL_return     fetch\n","stream":"stdout","time":"2017-12-11T21:38:52.636446498Z"}
{"log":"-   BackendOpen    29 boot.default XX.XX.XX.XXX 80 10.42.160.172 55142\n","stream":"stdout","time":"2017-12-11T21:38:52.636448594Z"}
{"log":"-   BackendStart   XX.XX.XX.XXX 80\n","stream":"stdout","time":"2017-12-11T21:38:52.636450886Z"}
{"log":"-   Timestamp      Bereq: 1513028321.551239 0.018578 0.018578\n","stream":"stdout","time":"2017-12-11T21:38:52.636453022Z"}
{"log":"-   FetchError     HTC status -1\n","stream":"stdout","time":"2017-12-11T21:38:52.636455259Z"}
{"log":"-   BackendClose   29 boot.default\n","stream":"stdout","time":"2017-12-11T21:38:52.636457381Z"}
{"log":"-   Timestamp      Beresp: 1513028332.632241 11.099580 11.081002\n","stream":"stdout","time":"2017-12-11T21:38:52.636459871Z"}
{"log":"-   Timestamp      Error: 1513028332.632249 11.099587 0.000008\n","stream":"stdout","time":"2017-12-11T21:38:52.636462044Z"}
{"log":"-   BerespProtocol HTTP/1.1\n","stream":"stdout","time":"2017-12-11T21:38:52.636464306Z"}
{"log":"-   BerespStatus   503\n","stream":"stdout","time":"2017-12-11T21:38:52.636466426Z"}
{"log":"-   BerespReason   Service Unavailable\n","stream":"stdout","time":"2017-12-11T21:38:52.636468611Z"}
{"log":"-   BerespReason   Backend fetch failed\n","stream":"stdout","time":"2017-12-11T21:38:52.636472903Z"}
{"log":"-   BerespHeader   Date: Mon, 11 Dec 2017 21:38:52 GMT\n","stream":"stdout","time":"2017-12-11T21:38:52.636475145Z"}
{"log":"-   BerespHeader   Server: Varnish\n","stream":"stdout","time":"2017-12-11T21:38:52.636477305Z"}
{"log":"-   VCL_call       BACKEND_ERROR\n","stream":"stdout","time":"2017-12-11T21:38:52.636479423Z"}
{"log":"-   BerespHeader   Content-Type: text/html; charset=utf-8\n","stream":"stdout","time":"2017-12-11T21:38:52.636481577Z"}
{"log":"-   BerespHeader   Retry-After: 5\n","stream":"stdout","time":"2017-12-11T21:38:52.636483718Z"}
{"log":"-   VCL_return     deliver\n","stream":"stdout","time":"2017-12-11T21:38:52.636485834Z"}
{"log":"-   Storage        malloc Transient\n","stream":"stdout","time":"2017-12-11T21:38:52.636487925Z"}
{"log":"-   ObjProtocol    HTTP/1.1\n","stream":"stdout","time":"2017-12-11T21:38:52.63649004Z"}
{"log":"-   ObjStatus      503\n","stream":"stdout","time":"2017-12-11T21:38:52.63649216Z"}
{"log":"-   ObjReason      Backend fetch failed\n","stream":"stdout","time":"2017-12-11T21:38:52.636494252Z"}
{"log":"-   ObjHeader      Date: Mon, 11 Dec 2017 21:38:52 GMT\n","stream":"stdout","time":"2017-12-11T21:38:52.63649637Z"}
{"log":"-   ObjHeader      Server: Varnish\n","stream":"stdout","time":"2017-12-11T21:38:52.636498539Z"}
{"log":"-   ObjHeader      Content-Type: text/html; charset=utf-8\n","stream":"stdout","time":"2017-12-11T21:38:52.63650064Z"}
{"log":"-   ObjHeader      Retry-After: 5\n","stream":"stdout","time":"2017-12-11T21:38:52.63650281Z"}
{"log":"-   Length         284\n","stream":"stdout","time":"2017-12-11T21:38:52.636525843Z"}
{"log":"-   BereqAcct      1770 6225 7995 0 0 0\n","stream":"stdout","time":"2017-12-11T21:38:52.636528516Z"}
{"log":"-   End            \n","stream":"stdout","time":"2017-12-11T21:38:52.636530668Z"}

Answer 1

不幸的是，自从我从牧场牛集群搬到Kubernetes后，这个“问题”就再也没有发生过。我猜这是一种网络问题。