From: Joshua D. Drake <jd@commandprompt.com>
To: david@lang.hm
Cc: Ben <bench@silentmedia.com>
Cc: Dave Cramer <pg@fastcrypt.com>
Cc: postgresql performance list <pgsql-performance@postgresql.org>
Subject: Re: How much ram is too much
Date: Fri, 08 Jun 2007 10:38:23 -0700
Message-ID: <4669940F.3050002@commandprompt.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0706081028480.18969@asgard.lang.hm>
References: <47A154B5-496C-478A-B60D-4238AF12EAC6@fastcrypt.com>
<Pine.LNX.4.64.0706080950540.27105@localhost.localdomain>
<Pine.LNX.4.64.0706081028480.18969@asgard.lang.hm>
david@lang.hm wrote:
>> On Fri, 8 Jun 2007, Dave Cramer wrote:
>>
>>> Is it possible that providing 128G of ram is too much ? Will other
>>> systems
>>> in the server bottleneck ?
>
> the only way 128G of ram would be too much is if your total database
> size (including indexes) is smaller then this.
>
> now it may not gain you as much of an advantage going from 64G to 128G
> as it does going from 32G to 64G, but that depends on many variables as
> others have been asking.
I don't know about the IBM but I know some of the HPs require slower ram
to actually get to 128G.
Joshua D. Drake
>
> David Lang
>
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To: pgsql-performance@postgresql.org
Cc: jd@commandprompt.com, david@lang.hm, bench@silentmedia.com, pg@fastcrypt.com
Subject: Re: How much ram is too much
In-Reply-To: <4669940F.3050002@commandprompt.com>
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