| From: | Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> |
|---|---|
| To: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
| Cc: | "drum(dot)lucas(at)gmail(dot)com" <drum(dot)lucas(at)gmail(dot)com>, 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: | 2016-02-23 04:32:04 |
| Message-ID: | CAOR=d=0oZ0Bs1tZ3jyUKQXHcEggVg+HEFYOQPz17iuHNXn89bQ@mail.gmail.com |
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| Lists: | pgsql-admin |
On Mon, Feb 22, 2016 at 9:05 PM, Joshua D. Drake <jd(at)commandprompt(dot)com> wrote:
> On 02/22/2016 07:41 PM, Scott Marlowe wrote:
>
>>> 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
>>
>>
>> It has been many years since I took care of a Centos box, but in this
>> article by Josh Berkus about avoiding kernel 3.2 it is mentioned that
>> centos 7 can in fact run 3.10 kernel.
>>
>>
>> http://www.databasesoup.com/2014/09/why-you-need-to-avoid-linux-kernel-32.html
>
>
> It isn't just 3.2. You should avoid 3.2-3.8. 2.6 is fine.
I wouldn't say 2.6 is fine, but it is better than 3.2 through 3.8. But
it still has plenty of performance issues under load that 3.11 and up
addressed for me.
--
To understand recursion, one must first understand recursion.
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