From: Steve Poe <spoe@sfnet.cc>
To: josh@agliodbs.com
Cc: pgsql-performance@postgresql.org
Subject: Re: PostgreSQL strugling during high load
Date: Thu, 19 May 2005 13:10:16 -0700
Message-ID: <428CF2A8.20602@sfnet.cc> (raw)
In-Reply-To: <200505191257.44874.josh@agliodbs.com>
References: <4BAFBB6B9CC46F41B2AD7D9F4BBAF785098A32@vt-pe2550-001.vantage.vantage.com>
<200505191257.44874.josh@agliodbs.com>
Josh Berkus wrote:
>Anjan,
>
>
>
>>As far as disk I/O is concerned for flushing the buffers out, I am not
>>ruling out the combination of Dell PERC4 RAID card, and the RH AS 3.0
>>Update3 being a problem.
>>
>>
>
>You know that Update4 is out, yes?
>Update3 is currenly throttling your I/O by about 50%.
>
>
Is that 50% just for the Dell PERC4 RAID on RH AS 3.0? Sound like
severe context switching.
Steve Poe
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To: pgsql-performance@postgresql.org
Cc: spoe@sfnet.cc, josh@agliodbs.com
Subject: Re: PostgreSQL strugling during high load
In-Reply-To: <428CF2A8.20602@sfnet.cc>
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