Re: [Bug #14940] cfq-iosched: tiobench regression

From: Rafael J. Wysocki
Date: Wed Dec 30 2009 - 16:53:16 EST


On Wednesday 30 December 2009, Jens Axboe wrote:
> On Tue, Dec 29 2009, Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.32. Please verify if it still should be listed and let me know
> > (either way).
> >
> >
> > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=14940
> > Subject : cfq-iosched: tiobench regression
> > Submitter : Shaohua Li <shaohua.li@xxxxxxxxx>
> > Date : 2009-12-24 0:55 (6 days old)
> > References : http://marc.info/?l=linux-kernel&m=126161612401994&w=4
>
> I don't think this should be labelled as a regression. It was already
> known that we'd have less throughput for the many clients cases, it was
> a trade off that was made to improve latencies.

OK, I've closed it as "documented".

Rafael
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