Re: 8.4 open item: copy performance regression? - Mailing list pgsql-hackers

From Simon Riggs
Subject Re: 8.4 open item: copy performance regression?
Date
Msg-id 1245738056.31430.172.camel@ebony.2ndQuadrant
Whole thread Raw
In response to Re: 8.4 open item: copy performance regression?  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
List pgsql-hackers
On Mon, 2009-06-22 at 15:18 -0500, Kevin Grittner wrote:
> Tom Lane <tgl@sss.pgh.pa.us> wrote: 
>  
>  
> default postgresql.conf (comments stripped)
> max_connections = 100
> shared_buffers = 32MB

This forces ring size to be 4MB, since min(32MB/8, ringsize).

Please re-run tests with your config, ring size 4MB, which should give
same answer

-- Simon Riggs           www.2ndQuadrant.comPostgreSQL Training, Services and Support



pgsql-hackers by date:

Previous
From: Rajdeep Das
Date:
Subject: PK not being restored
Next
From: Fujii Masao
Date:
Subject: Re: Synch Rep: communication between backends and walsender