Re: increasing shared buffers: how much should be removed from OS filesystem cache?

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От Dave Cramer
Тема Re: increasing shared buffers: how much should be removed from OS filesystem cache?
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Msg-id E3AD303F-06FE-4034-A176-3F532720A386@fastcrypt.com
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Ответ на Re: increasing shared buffers: how much should be removed from OS filesystem cache?  ("Merlin Moncure" <mmoncure@gmail.com>)
Ответы Re: increasing shared buffers: how much should be removed  ("Joshua D. Drake" <jd@commandprompt.com>)
Список pgsql-performance
On 1-Sep-06, at 3:49 PM, Merlin Moncure wrote:

> On 01 Sep 2006 19:00:52 +0200, Guillaume Cottenceau <gc@mnc.ch> wrote:
>> Hi,
>>
>> I've been looking at the results from the pg_statio* tables, to
>> view the impact of increasing the shared buffers to increase
>> performance.
>>
>
> I think 'shared buffers' is one of the most overrated settings from a
> performance standpoint.  however you must ensure there is enough for
> things the server does besides caching.  It used to be a bigger deal
> than it is in modern versionf of postgresql modern operating systems.
>
> merlin
>
So if shared buffers is the most overrated, what do you consider the
proper way of tuning ?
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