Subject: Re: [vserver] kernel/guest parameter tuning for wordpress
From: Eugen Leitl <eugen@leitl.org>
Date: Tue, 21 May 2013 15:24:05 +0200

On Tue, May 21, 2013 at 01:57:34PM +0100, Ben Green wrote:
> Quoting Eugen Leitl <eugen@leitl.org>:
> 
> >I have a chronical problem with wp (nging+fastcgi) blogs
> >crapping out really easily in vserver guests. Before I
> >investigate this as a wp/nginx problem, are there
> >any suggestions for tunable parameters for kernel/guests?
> >
> >Thanks.
> 
> There's loads, but you might want to supply more details. What
> kernel are you using? What have you set so far? VIRT_MEM? and cgroup

3.2.42-vs2.3.2.16-beng

I haven't changed anything -- pointers to the knobs and
which values to tweak would be welcome.

> parameters? What exactly constitutes "crapping out"?

It seems my problem might be not related to vserver
guest limits, but to nginx fcgi php brokenness
(the dread 502 bad gateway).