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SubjectRe: SLUB performance regression vs SLAB
On Fri, Oct 05 2007, Matthew Wilcox wrote:
> On Fri, Oct 05, 2007 at 08:48:53AM +0200, Jens Axboe wrote:
> > I'd like to second Davids emails here, this is a serious problem. Having
> > a reproducible test case lowers the barrier for getting the problem
> > fixed by orders of magnitude. It's the difference between the problem
> > getting fixed in a day or two and it potentially lingering for months,
> > because email ping-pong takes forever and "the test team has moved on to
> > other tests, we'll let you know the results of test foo in 3 weeks time
> > when we have a new slot on the box" just removing any developer
> > motivation to work on the issue.
>
> I vaguely remembered something called orasim, so I went looking for it.
> I found http://oss.oracle.com/~wcoekaer/orasim/ which is dated from
> 2004, and I found http://oss.oracle.com/projects/orasimjobfiles/ which
> seems to be a stillborn project. Is there anything else I should know
> about orasim? ;-)

I don't know much about orasim, except that internally we're trying to
use fio for that instead. As far as I know, it was a project that was
never feature complete (or completed all together, for that matter).

--
Jens Axboe

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