From: | Markus Schaber <schabios(at)logi-track(dot)com> |
---|---|
To: | Magnus Hagander <mha(at)sollentuna(dot)net> |
Cc: | "Vig, Sandor (G/FI-2)" <Sandor(dot)Vig(at)audi(dot)hu>, pgsql-performance(at)postgresql(dot)org |
Subject: | Re: PostgreSQL is extremely slow on Windows |
Date: | 2005-02-23 14:37:48 |
Message-ID: | 421C953C.4040907@logi-track.com |
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Lists: | pgsql-performance |
Hi, Magnus & all,
Magnus Hagander schrieb:
> 20-30 transactionsi s about what you'll get on a single disk on Windows
> today.
> We have a patch in testing that will bring this up to about 80.
> You can *never* get above 80 without using write cache, regardless of
> your OS, if you have a single disk. You might want to look into wether
> write cacheing is enabled on your linux box, and disable it. (unless you
> are using RAID) A lot points towards write cache enabled on your system.
Note that you can get higher rates for the server as a whole when using
concurrent transactions (that is, several independend connections
committing at the same time). The commit delay settings should be tuned
accordingly.
Markus
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