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Re: Load Distributed Checkpoints, take 3

From: Heikki Linnakangas <heikki(at)enterprisedb(dot)com>
To: Simon Riggs <simon(at)2ndquadrant(dot)com>
Cc: Greg Smith <gsmith(at)gregsmith(dot)com>, Patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: Load Distributed Checkpoints, take 3
Date: 2007-06-24 09:32:06
Message-ID: 467E3A16.9050405@enterprisedb.com (view raw or flat)
Thread:
Lists: pgsql-patches
Simon Riggs wrote:
> On Fri, 2007-06-22 at 22:19 +0100, Heikki Linnakangas wrote:
> 
>> However, I think shortening the checkpoint interval is a perfectly valid 
>> solution to that. 
> 
> Agreed. That's what checkpoint_timeout is for. Greg can't choose to use
> checkpoint_segments as the limit and then complain about unbounded
> recovery time, because that was clearly a conscious choice.

No, by checkpoint interval, I meant both checkpoint_timeout and 
checkpoint_segments. You can decrease checkpoint_segments as well to 
shorten recovery time.

-- 
   Heikki Linnakangas
   EnterpriseDB   http://www.enterprisedb.com

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