| From: | "drum(dot)lucas(at)gmail(dot)com" <drum(dot)lucas(at)gmail(dot)com> |
|---|---|
| To: | Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> |
| Cc: | Payal Singh <payal(at)omniti(dot)com>, Scott Whitney <scott(at)journyx(dot)com>, "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org> |
| Subject: | Re: [TIPS] Tuning PostgreSQL 9.2 |
| Date: | 2016-02-22 21:23:05 |
| Message-ID: | CAE_gQfWU8m0TMGvd8RQYsx2v1xvpKDYfn-0mG+gffHexnqCNxw@mail.gmail.com |
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| Lists: | pgsql-admin |
On 22 February 2016 at 07:34, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> wrote:
> I also noticed you're running RHEL 6.x which runs on the truly ancient
> (but pretty reliable) 2.6.32 kernel. The newer 3.11 and 3.13 kernels
> are MUCH faster at IO and a lot smarter about caching and when to swap
> etc. I've seen several big machines go from a few thousand tps to 15
> to 20k tps just from going from 3.2 to 3.13. Keep us updated on
> whether or not a pooler works for you.
>
I'm running a CentOS 6.6 with Kernel 2.6.32-504.el6
Is it possible to upgrade to the 3.13 version using Centos 6.6? (I think
only in Centos 7)
Is so, can you please provide me any link that shows a IO improvement
between two kernels? something that I can study
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