Skip site navigation (1) Skip section navigation (2)

Re: PostgreSQL strugling during high load

From: Steve Poe <spoe(at)sfnet(dot)cc>
To: josh(at)agliodbs(dot)com
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: PostgreSQL strugling during high load
Date: 2005-05-19 20:10:16
Message-ID: 428CF2A8.20602@sfnet.cc (view raw or flat)
Thread:
Lists: pgsql-performance
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


In response to

pgsql-performance by date

Next:From: Anjan DaveDate: 2005-05-19 20:19:58
Subject: Re: PostgreSQL strugling during high load
Previous:From: Josh BerkusDate: 2005-05-19 19:57:44
Subject: Re: PostgreSQL strugling during high load

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group