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Re: Testing
David M. Malon wrote:
>
> > On Tue, 29 Sep 1998, David M. Malon wrote:
> >
> > > Will we have an automated way of clearing the disk cache between
> > > queries for some of our tests (without confusing the cache manager, of
> > > course)?
> > >
> > > Alex? Luis?
> > >
> > > Regards,
> > >
> > > David
> > >
> >
> > David,
> >
> > Do you want to do that without restarting the cmanager?
> > At this moment it's only possible to clear the disk at startup. For
> > that to happen the file listfilesstaged.txt needs to be there and needs to
> > be empty. The only catch is that it only works with database files that
> > end in ".db". I'll have to add the capability to work with the extension
> > ".DB" too. This need only happens at startup time when thw CM tries to
> > clean the cache.
> >
> > Luis
> >
>
> Luis,
>
> I believe we need to clear the disk cache between some of our queries for
> some of our tests; there is a high degree of correlation within the current
> query mix. It would certainly be more convenient not to relaunch the
> CM (and probably, therefore, the other SM components) every time. I'm
> not sure what Alex was doing about this yesterday. He may have restarted
> everything between successive query tests.
>
> David
Yes, I cleaned up the cache each time I execute the new query.
I also started all SM components all over just to make sure they got
treated equally.
--
Alex Sim
MS 50B-3238 http://sim.lbl.gov
DM, NERSC, LBNL ASim@lbl.gov
1 Cyclotron Road office: (510) 495-2290
Berkeley, CA 94720 FAX: (510) 486-4004