From: Josh Berkus <josh@agliodbs.com>
To: Scott Carey <scott@richrelevance.com>
Cc: henk de wit <henk53602@hotmail.com>
Cc: jesper@krogh.cc
Cc: pgsql-performance@postgresql.org
Subject: Re: Using IOZone to simulate DB access patterns
Date: Fri, 10 Apr 2009 10:31:35 -0700
Message-ID: <49DF8277.4050801@agliodbs.com> (raw)
In-Reply-To: <C604CBE2.4856%scott@richrelevance.com>
References: <C604CBE2.4856%scott@richrelevance.com>
Scott,
> FIO with profiles such as the below samples are easy to set up, and they can
> be mix/matched to test what happens with mixed read/write seq/rand -- with
> surprising and useful tuning results. Forcing a cache flush or sync before
> or after a run is trivial. Changing to asynchronous I/O, direct I/O, or
> other forms is trivial. The output result formatting is very useful as
> well.
FIO? Link?
--
Josh Berkus
PostgreSQL Experts Inc.
www.pgexperts.com
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To: pgsql-performance@postgresql.org
Cc: josh@agliodbs.com, scott@richrelevance.com, henk53602@hotmail.com, jesper@krogh.cc
Subject: Re: Using IOZone to simulate DB access patterns
In-Reply-To: <49DF8277.4050801@agliodbs.com>
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