Re: Performance over a LAN

From: Greg Stark <gsstark(at)mit(dot)edu>
To: "William Carney" <wcarney(at)sa(dot)quiktrak(dot)com(dot)au>
Cc: <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Performance over a LAN
Date: 2004-07-23 17:09:47
Message-ID: 878yday7j8.fsf@stark.xeocode.com
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"William Carney" <wcarney(at)sa(dot)quiktrak(dot)com(dot)au> writes:

> The machines used are P4s running FreeBSD 5.2.1. The Postgres version is
> 7.4.3. Can anyone tell me why there's such a big difference?

You're going to have to run tcpdump and see where the delays are. It might be
hard to decode the postgres protocol though.

Which driver are you using? I wonder if it isn't the same nagle+delayed ack
problem that came up recently.

--
greg

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