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From: Florian Weimer <fw@deneb.enyo.de>
To: Jignesh K. Shah <J.K.Shah@Sun.COM>
Cc: Arjen van der Meijden <acmmailing@tweakers.net>
Cc: pgsql-performance <pgsql-performance@postgresql.org>
Subject: Re: Pgsql (and mysql) benchmark on T2000/Solaris and some
Date: Thu, 18 May 2006 07:39:01 +0200
Message-ID: <8764k3uc22.fsf@mid.deneb.enyo.de> (raw)
In-Reply-To: <4469D173.50406@sun.com>
References: <44699C6C.80302@tweakers.net>
	<4469D173.50406@sun.com>

* Jignesh K. Shah:

> * llseek is high which means you can obviously gain a bit with the
> right file system/files tuning by caching them right.

It might also make sense to switch from lseek-read/write to
pread/pwrite.  It shouldn't be too hard to hack this into the virtual
file descriptor module.



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