Re: Need to tune for Heavy Write - Mailing list pgsql-performance

From Scott Marlowe
Subject Re: Need to tune for Heavy Write
Date
Msg-id CAOR=d=3HgwBfhHWQj9OvZkKkHsaZzSS+6=fELjG12EL-zRnBZg@mail.gmail.com
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In response to Re: Need to tune for Heavy Write  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
Responses Re: Need to tune for Heavy Write  (Jim Nasby <jim@nasby.net>)
List pgsql-performance
On Thu, Aug 4, 2011 at 7:57 AM, Kevin Grittner
<Kevin.Grittner@wicourts.gov> wrote:
>> RAM : 16 GB
>
>> effective_cache_size = 4096MB
>
> That should probably be more like 12GB to 15GB.  It probably won't
> affect the load time here, but could affect other queries.

Actually on a heavily written database a  large effective cache size
makes things slower.

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