Message-ID: <459C39BF.4070403@hagander.net>
Date: Thu, 04 Jan 2007 00:18:23 +0100
From: Magnus Hagander <magnus@hagander.net>
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To: Jeremy Haile <jhaile@fastmail.fm>
CC: pgsql-performance@postgresql.org
Subject: Re: Performance of PostgreSQL on Windows vs Linux
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Jeremy Haile wrote:
> I am sure that this has been discussed before, but I can't seem to find
> any recent posts. (I am running PostgreSQL 8.2)
> 
> I have always ran PostgreSQL on Linux in the past, but the company I am
> currently working for uses Windows on all of their servers.  I don't
> have the luxury right now of running my own benchmarks on the two OSes,
> but wanted to know if anyone else has done a performance comparison.  Is
> there any significant differences?

That depends on your usage pattern. There are certainly cases where the
Win32 version will be significantly slower.
For example, if you open a lot of new connections, that is a lot more
expensive on Windows since each connection needs to execute a new
backend due to the lack of fork().

I don't think you'll find any case where the Windows version is faster
than Linux ;-) But to get a good answer on if the difference is
significant enough to matter, you really need to run some kind of simple
benchmark on *your* workload.

//Magnus