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Re: Load Distributed Checkpoints, take 3

From: Heikki Linnakangas <heikki(at)enterprisedb(dot)com>
To: Greg Smith <gsmith(at)gregsmith(dot)com>
Cc: Patches <pgsql-patches(at)postgresql(dot)org>
Subject: Re: Load Distributed Checkpoints, take 3
Date: 2007-06-22 21:22:15
Message-ID: 467C3D87.2060301@enterprisedb.com (view raw or flat)
Thread:
Lists: pgsql-patches
Greg Smith wrote:
> On Fri, 22 Jun 2007, Tom Lane wrote:
> 
>> Greg had worried about being able to turn this behavior off, so we'd 
>> still need at least a bool, and we might as well expose the fraction 
>> instead.  I agree with removing the non-LRU part of the bgwriter's 
>> write logic though
> 
> If you accept that being able to turn LDC off is important, people who 
> aren't turning it on may still want the existing bgwriter_all_* settings 
> so they can keep running things the way they are now.  It's certainly 
> reasonable to skip that code path when doing things the LDC way.

Well, if you don't want anything to change, don't upgrade.

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

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