Re: Producer/Consumer Issues in the COPY across network

From: Simon Riggs <simon(at)2ndquadrant(dot)com>
To: Martijn van Oosterhout <kleptog(at)svana(dot)org>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Producer/Consumer Issues in the COPY across network
Date: 2008-02-28 21:37:58
Message-ID: 1204234678.4223.26.camel@ebony.site
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On Thu, 2008-02-28 at 15:39 +0100, Martijn van Oosterhout wrote:

> That's why I was wondering about the rows per packet. Sending bigger
> packets reduces overall overhead.
>
> (The malloc/free per row doesn't seem too efficient.)

I guess neither of us know then. Oh well. That's good 'cos it sounds
like something worth looking into if anybody has a protocol sniffer and
some time. I'll skip on that test 'cos its not really my area.

--
Simon Riggs
2ndQuadrant http://www.2ndQuadrant.com

PostgreSQL UK 2008 Conference: http://www.postgresql.org.uk

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