Re: pgbench --tuple-size option

From: Andres Freund <andres(at)2ndquadrant(dot)com>
To: Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>
Cc: PostgreSQL Developers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pgbench --tuple-size option
Date: 2014-08-15 09:51:06
Message-ID: 20140815095106.GG28805@awork2.anarazel.de
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On 2014-08-15 11:46:52 +0200, Fabien COELHO wrote:
>
> After publishing some test results with pgbench on SSD with varying page
> size, Josh Berkus pointed out that pgbench uses small 100-bytes tuples, and
> that results may be different with other tuple sizes.
>
> This patch adds an option to change the default tuple size, so that this can
> be tested easily.

I don't think it's beneficial to put this into pgbench. There really
isn't a relevant benefit over using a custom script here.

Greetings,

Andres Freund

--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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