From: | "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com> |
---|---|
To: | Mark Woodward <pgsql(at)mohawksoft(dot)com> |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Zdenek Kotala <zdenek(dot)kotala(at)sun(dot)com>, Koichi Suzuki <suzuki(dot)koichi(at)oss(dot)ntt(dot)co(dot)jp>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: How to avoid transaction ID wrap |
Date: | 2006-06-07 23:00:33 |
Message-ID: | 20060607230033.GH45331@pervasive.com |
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Lists: | pgsql-hackers |
On Wed, Jun 07, 2006 at 07:07:55PM -0400, Mark Woodward wrote:
> I guess what I am saying is that PostgreSQL isn't "smooth," between
> checkpoints and vacuum, it is near impossible to make a product that
> performs consistently under high load.
Have you tuned the bgwriter and all the vacuum_cost stuff? I've get to
find a case where I couldn't smooth out the IO load so that it wasn't an
issue.
--
Jim C. Nasby, Sr. Engineering Consultant jnasby(at)pervasive(dot)com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
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