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Re: mysterious dbench results

To: Steve Lord <lord@xxxxxxx>
Subject: Re: mysterious dbench results
From: Marcelo Tosatti <marcelo@xxxxxxxxxxxxxxxx>
Date: Sat, 24 Feb 2001 14:50:56 -0200 (BRST)
Cc: Thomas Graichen <thomas.graichen@xxxxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxx
In-reply-to: <200102232254.f1NMsBo12374@jen.americas.sgi.com>
Sender: owner-linux-xfs@xxxxxxxxxxx

On Fri, 23 Feb 2001, Steve Lord wrote:

<snip>

> Other changes coming down the pipeline - probably next week will help too,
> we have better dbench and bonnie numbers on some internal code right now.

It looks we're allocating the page to hold the page pointers for the
cluster unconditionally in __pagebuf_write_full_page (my last message
talks a bit more about that kind of stuff). This page, as far as I can
see, is not used at all without kiobuf io. (Thomas is not using kiobuf IO
IIRC). 




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