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Re: Defaulting wal_sync_method to fdatasync on Linux for 9.1?

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Defaulting wal_sync_method to fdatasync on Linux for 9.1?
Date: 2010-11-05 22:07:09
Message-ID: 4CD4800D.5050504@agliodbs.com (view raw or flat)
Thread:
Lists: pgsql-performance
> Fair enough; I'm so used to bumping wal_buffers up to 16MB nowadays that
> I forget sometimes that people actually run with the default where this
> becomes an important consideration.

Do you have any testing in favor of 16mb vs. lower/higher?

-- 
                                  -- Josh Berkus
                                     PostgreSQL Experts Inc.
                                     http://www.pgexperts.com

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