Re: Fwd: FreeBSD, PostgreSQL, semwait and sbwait!

From: Mark Kirkwood <markir(at)paradise(dot)net(dot)nz>
To: josh(at)agliodbs(dot)com
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Darcy Buskermolen <darcy(at)wavefire(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Fwd: FreeBSD, PostgreSQL, semwait and sbwait!
Date: 2004-03-24 09:09:02
Message-ID: 4061502E.6030201@paradise.net.nz
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

Josh Berkus wrote:

> Forget hyperthreading. Look at their postgresql.conf settings. 8mb shared
>
>mem, 16mb sort mem per connection for 512 connections, default
>effective_cache_size.
>
>
>
Umm...its 64Mb shared buffers isn't it ?

However agree completely with general thrust of message.... particularly
the 16Mb of sort mem / connection - a very bad idea unless you are
running a data warehouse box for only a few users (not 512 of them...)

regards

Mark

In response to

Browse pgsql-performance by date

  From Date Subject
Next Message Mark Kirkwood 2004-03-24 09:26:27 Re: Fwd: FreeBSD, PostgreSQL, semwait and sbwait!
Previous Message Mark Kirkwood 2004-03-24 08:53:31 Re: [PERFORM] Benchmarking postgres on Solaris/Linux