Re: [vserver] Problem with apache

On 07/15/2010 09:21 AM, Herbert Poetzl wrote:
> On Thu, Jul 15, 2010 at 01:44:20PM +0200, Gerardi wrote:
>> Hello,
>
>> we are running 2.6.31.3-vs2.3.0.36.17 with an Intel(R) Core(TM)
>> i7 CPU 920 @ 2.67GHz
>> and have a problem sending bigger POST requests to apache.
>
>> Smaller POSTs work fine (90K for example), larger ones (450K) don't,
>> but produce "400 Bad requests" answers, most often with just the text
>> "Your browser sent a request that this server could not understand."
>> and no single entry in any log file. Sometimes it says that a colon in
>> a request header is missing, but that rarely happens.
>
> you sure that apache can handle 450k posts?
>
>> The client used to test this was Mozilla Firefox, without any firewall
>> or packet filter on either client or server side. Customer clients
>> have the same problem.
>
>> The machine runs masquerading for it's 9 vservers.
>
>> There are no hints in either kernel oder apache log files.
>
>> Is this a known problem?
>
> not that I'd know ...
>
>> Is it possible to fix this while staying with the 2.6.31 series?
>
> it doesn't look/sound Linux-VServer related though ...

 From a time long,long ago I seem to remember needing to increase the
/tmp size in the guest to handle large-ish uploads.

YMMV,
Rod

-- 
>
>> Do you need more information?
>
> the first test I'd do is to simply chroot into the guest
> dir and start apache from there (and repeate the test)
> if that shows the same behaviour, install a vanilla kernel
> and repeate the test (make sure to use the same .config)
>
> my guess would be a network or configuration problem
> (host or apache)
>
>> I am reluctant to do tcpdump / ethereal or
>> strace right now, but could do so tomorrow in the morning.
>
> HTH,
> Herbert
>
>> Regards, Uwe (for Martin)
>>