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Posted to issues@trafficserver.apache.org by "Bryan Call (JIRA)" <ji...@apache.org> on 2016/08/16 17:45:20 UTC

[jira] [Updated] (TS-2942) Weird value on % field in log files

     [ https://issues.apache.org/jira/browse/TS-2942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bryan Call updated TS-2942:
---------------------------
    Summary: Weird value on %<fsiz> field in log files  (was: weird value on %<fsiz> field in log files)

> Weird value on %<fsiz> field in log files
> -----------------------------------------
>
>                 Key: TS-2942
>                 URL: https://issues.apache.org/jira/browse/TS-2942
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: Logging, Metrics
>            Reporter: Daniel Picolli Biazus
>             Fix For: sometime
>
>
>     We've configured ATS as a reverse proxy, and We've been noticed a really weird traffic value in our monitoring system. After spend some time digging through log files, I could notice that, in some cases the field %<fsiz> brings a huge value (20 characters) instead of the file size.
> I found this closed issue regarding the <fsiz> implementation, and I think there might be a issue when there is no Content-Length from the origin server.
> https://issues.apache.org/jira/browse/TS-2212
> Log format:
> ##########################
> <LogFormat>
>     <Name = "myformat"/>
>     <Format = "%<ttmsf>        %<{Host}cqh>    %<chi>  [%<cqtn>]       %<cqhm> %<cquup> %<cqhv>        %<pssc> %<cqhm> %<fsiz> %<cquup>        %<{User-Agent}cqh>      %<{Referer}cqh> %<crc>"/>
> </LogFormat>
> ##########################
> Log result:
> ##########################
> 0.181	myhostname.com	123.123.123.123	[17/Jul/2014:15:50:33 -0000]	GET /foo/bar/file.jpg HTTP/1.1	200	GET	3904675161847313968	/foo/bar/file.jpg	Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.153 Safari/537.36	http://myreferer.com	TCP_MISS
> ###########################
>     In that case, the <fsiz> field has the value "3904675161847313968" instead the value of a few bytes.
>     I believe when there is no way to get the real content-length, we should return 0 in order to avoid misinterpretation.
> Thanks in advance,
> Daniel



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