Re: Checkpoint cost, looks like it is WAL/CRC

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Simon Riggs <simon(at)2ndquadrant(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Checkpoint cost, looks like it is WAL/CRC
Date: 2005-07-27 00:35:22
Message-ID: 200507261735.23694.josh@agliodbs.com
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Tom,

> I have no idea whether the DBT benchmarks would benefit at all, but
> given that they are affected positively by increasing wal_buffers,
> they must have a fair percentage of not-small transactions.

Even if they don't, we'll have series tests for DW here at GreenPlum soon,
and I'll bet they'd affect *those*.

--
--Josh

Josh Berkus
Aglio Database Solutions
San Francisco

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