Re: [PATCHES] O_DIRECT for WAL writes - Mailing list pgsql-hackers

From Mark Wong
Subject Re: [PATCHES] O_DIRECT for WAL writes
Date
Msg-id 20050706215831.018aba3d@localhost
Whole thread Raw
In response to Re: [PATCHES] O_DIRECT for WAL writes  (Josh Berkus <josh@agliodbs.com>)
List pgsql-hackers
On Fri, 24 Jun 2005 09:21:56 -0700
Josh Berkus <josh@agliodbs.com> wrote:

> Jim,
> 
> > Josh, is this something that could be done in the performance lab?
> 
> That's the idea.   Sadly, OSDL's hardware has been having critical failures of 
> late (I'm still trying to get test results on the checkpointing thing) and 
> the GreenPlum machines aren't up yet.

I'm on the verge of having a 4-way opteron system with 4 Adaptec 2200s
scsi controllers attached to eight 10-disk 36GB arrays ready.  I believe
there are software tools that'll let you reconfigure the luns from linux
so you wouldn't need physical access.  Anyone want time on the system?

Mark


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