Re: wiki.postgresql.org having indigestion

From: Magnus Hagander <magnus(at)hagander(dot)net>
To: Thom Brown <thom(at)linux(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-www(at)postgresql(dot)org
Subject: Re: wiki.postgresql.org having indigestion
Date: 2011-04-27 21:32:37
Message-ID: BANLkTikJKBsanL1dFnya2Qe22fD-ZCJhwQ@mail.gmail.com
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On Wed, Apr 27, 2011 at 23:28, Thom Brown <thom(at)linux(dot)com> wrote:
> On 27 April 2011 22:20, Magnus Hagander <magnus(at)hagander(dot)net> wrote:
>>
>> On Wed, Apr 27, 2011 at 23:12, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> > Magnus Hagander <magnus(at)hagander(dot)net> writes:
>> >> On Wed, Apr 27, 2011 at 22:55, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> >>> Attempts to edit the "9.1 open items" page are giving me this:
>> >>>
>> >>> Error 503 Service Unavailable
>> >>>
>> >>> Service Unavailable
>> >>>
>> >>> Guru Meditation:
>> >>>
>> >>> XID: 1155551292
>> >>>
>> >>> Varnish cache server
>> >
>> >> Hmm, works fine for me right now. Is it reproducible?
>> >
>> > Not entirely.  The first time I tried, I got that on hitting "show
>> > changes".  I tried again, and that time "show changes" worked but
>> > "save page" failed (with the same message).  I just tried a third
>> > time and it worked.  Dunno what to make of it.
>>
>> I see some weird errors from the backend webserver that runs
>> PHP/mediawiki.But I'm not entirely sure it's related - though probably
>> it is. I've restarted it to be on the safe side.
>>
>> I also see loads of warnings about string escaping problems in the pg
>> logs - but that's just mediawiki ugliness, I see nothing out of the
>> ordinary in the pg logs.
>
> Could this then be a problem with Varnish?

According to the logs, varnish got a bad response from the backend.
Can't rule it out of course, but I'm fairly certain th eproblem is in
the backend somewhere.

--
 Magnus Hagander
 Me: http://www.hagander.net/
 Work: http://www.redpill-linpro.com/

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