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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
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