Backend is Apache. On Wed, Mar 29, 2017 at 10:34 AM, Guillaume Quintard < [email protected]> wrote:
> Indeed, looking at the Timestamp lines, it's not a timeout. What's your > backend? > > -- > Guillaume Quintard > > On Wed, Mar 29, 2017 at 7:45 AM, Hazar Güney <[email protected]> wrote: > >> I see sporadic fetch errors (http first read error: EOF) from backend >> but backend is normally healthy. It seems that timeout is not the root >> issue in this case. What could be the reason? >> >> * << BeReq >> 98808229 >> - Begin bereq 98808228 fetch >> - Timestamp Start: 1490683823.763272 0.000000 0.000000 >> - BereqMethod GET >> - BereqURL XXXX >> - BereqProtocol HTTP/1.1 >> - BereqHeader Pragma: no-cache >> - BereqHeader Accept: */* >> - BereqHeader From: bingbot(at)microsoft.com >> - BereqHeader Host: XXXX >> - BereqHeader User-Agent: Mozilla/5.0 (compatible; bingbot/2.0; >> +http://www.bing.com/bingbot.htm) >> - BereqHeader Accept-Encoding: gzip >> - BereqHeader X-Varnish: 98808229 >> - VCL_call BACKEND_FETCH >> - VCL_return fetch >> - BackendOpen 38 reload_2017-03-20T11:32:44.st2 10.35.78.11 80 >> 172.17.0.2 48388 >> - BackendStart 10.35.78.11 80 >> - Timestamp Bereq: 1490683823.763758 0.000487 0.000487 >> - *FetchError* *http first read error: EOF* >> - BackendClose 38 reload_2017-03-20T11:32:44.st2 >> - Timestamp Beresp: 1490683823.764271 0.000999 0.000513 >> - Timestamp Error: 1490683823.764277 0.001005 0.000005 >> - BerespProtocol HTTP/1.1 >> - BerespStatus 503 >> - BerespReason Service Unavailable >> - BerespReason Backend fetch failed >> - BerespHeader Date: Tue, 28 Mar 2017 06:50:23 GMT >> - BerespHeader Server: Varnish >> - VCL_call BACKEND_ERROR >> - BereqHeader X-Varnish-Backend-5xx: 1 >> - VCL_return retry >> - Timestamp Retry: 1490683823.764294 0.001022 0.000017 >> - Link bereq 97940444 retry >> - End >> >> >> _______________________________________________ >> varnish-misc mailing list >> [email protected] >> https://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc >> > >
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