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work_mem and shared_buffers

From: "Campbell, Lance" <lance(at)uiuc(dot)edu>
To: <pgsql-performance(at)postgresql(dot)org>
Subject: work_mem and shared_buffers
Date: 2007-11-09 17:49:03
Message-ID: B10E6810AC2A2F4EA7550D072CDE8760197DE4@SAB-FENWICK.sab.uiuc.edu (view raw or flat)
Thread:
Lists: pgsql-performance
Does the amount of memory allocate to work_mem get subtracted from
shared_buffers?

 

Example:

 

If work_mem is 1M and there are 10 connections and shared_buffers is
100M then would the total be 90 M left for shared_buffers?

 

Or does the amount of memory allocated for work_mem have nothing to do
with shared_buffers?

 

Thanks,

 

Lance Campbell

Project Manager/Software Architect

Web Services at Public Affairs

University of Illinois

217.333.0382

http://webservices.uiuc.edu

 

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Next:From: Heikki LinnakangasDate: 2007-11-09 17:56:30
Subject: Re: work_mem and shared_buffers
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