503 Backend fetch failed / (again)

[Ayberk Kimsesiz]

Hi,

Varnishlog:  *FetchError     http first read error: EOF*

*   << BeReq    >> 3244175
-   Begin          bereq 3244174 pass
-   Timestamp      Start: 1479720397.535252 0.000000 0.000000
-   BereqMethod    GET
-   BereqURL
/forum/js/brivium/CustomNodeStyle/custom_node.js?_v=00bdfbe8
-   BereqProtocol  HTTP/1.1
-   BereqHeader    Host:******.com
-   BereqHeader    User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64)
AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1003.1 Safari/535.19
Awesomium/1.7.1
-   BereqHeader    Accept: */*
-   BereqHeader    Referer: https://facebook.com/
-   BereqHeader    Accept-Encoding: gzip,deflate
-   BereqHeader    Accept-Language: en-us,en
-   BereqHeader    Accept-Charset: iso-8859-1,*,utf-8
-   BereqHeader    Cookie: _gat=1;
pps_show_100=Tue%20Nov%2022%202016%2012%3A31%3A52%20GMT+0300%20%28Turkey%20Standard%20Time%29;
pps_times_showed_100=2; _ga=GA1.2.1950747215.1479806983;
xf_session=20756c36c3041eb1b77c10d43b913cd8
-   BereqHeader    X-Forwarded-For: 176.240.98.52
-   BereqHeader    X-Varnish: 3244175
-   VCL_call       BACKEND_FETCH
-   VCL_return     fetch
-   BackendOpen    160 boot.default 176.53.126.10 8080 176.53.126.10 47362
-   BackendStart   176.53.126.10 8080
-   Timestamp      Bereq: 1479720397.535321 0.000070 0.000070
*-   FetchError     http first read error: EOF*
-   BackendClose   160 boot.default
-   Timestamp      Beresp: 1479720457.535409 60.000158 60.000088
-   Timestamp      Error: 1479720457.535417 60.000165 0.000008
-   BerespProtocol HTTP/1.1
-   BerespStatus   503
-   BerespReason   Service Unavailable
-   BerespReason   Backend fetch failed
-   BerespHeader   Date: Mon, 21 Nov 2016 09:27:37 GMT
-   BerespHeader   Server: Varnish
-   VCL_call       BACKEND_ERROR
-   BerespHeader   Content-Type: text/html; charset=utf-8
-   BerespHeader   Retry-After: 5
-   VCL_return     deliver
-   Storage        malloc Transient
-   ObjProtocol    HTTP/1.1
-   ObjStatus      503
-   ObjReason      Backend fetch failed
-   ObjHeader      Date: Mon, 21 Nov 2016 09:27:37 GMT
-   ObjHeader      Server: Varnish
-   ObjHeader      Content-Type: text/html; charset=utf-8
-   ObjHeader      Retry-After: 5
-   Length         284
-   BereqAcct      643 0 643 0 0 0
-   End


2016-11-16 12:56 GMT+03:00 Andreas Plesner <apj at mutt.dk>:

> On Wed, Nov 16, 2016 at 12:37:08PM +0300, Ayberk Kimsesiz wrote:
> >
> > We were previously receiving Error 503 in Varnish and then it has fixed
> > after the fresh reinstall. But we are getting the same error again. I
> have
> > observed that this appears when Ajax requests increase.
>
> It's hard to troubleshoot anything without a varnishlog.
>
> --
> Andreas
>
> _______________________________________________
> varnish-misc mailing list
> varnish-misc at varnish-cache.org
> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
>
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