Re: Some performance testing?

Can you say how much faster it was?

Przemek Deć

2015-04-09 11:04 GMT+02:00 Graeme B. Bell <grb(at)skogoglandskap(dot)no>:

> >
> > Josh, there seems to be an inconsistency in your blog. You say 3.10.X is
> > safe, but the graph you show with the poor performance seems to be from
> > 3.13.X which as I understand it is a later kernel. Can you clarify which
> > 3.X kernels are good to use and which are not?
>
> Sorry to cut in -
>
> So far we've found kernel 3.18 to be excellent for postgres 9.3
> performance (pgbench + our own queries run much faster than with the
> 2.6.32-504 centos 6 kernel, and we haven't encountered random stalls or
> slowness).
>
> We use elrepo to get prebuilt rpms of the latest mainline stable kernel
> (kernel-ml).
>
> http://elrepo.org/tiki/kernel-ml
>
> Graeme Bell
>
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