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From Avik Sengupta <avik.sengu...@itellix.com>
Subject Re: GC and HSSF
Date Wed, 07 Jun 2006 08:18:25 GMT
Concurrent GC is not about multiple processors. It will just spread the cost 
of the GC accros the total time of your program. 

Regards
-
Avik

On Wednesday 07 June 2006 13:34, Koller Krisztian wrote:
> Thanks. But we have only one CPU.
>
> On 6/7/06, Avik Sengupta <avik.sengupta@itellix.com> wrote:
> > Use the concurrent GC.
> >
> > On Wednesday 07 June 2006 13:14, Koller Krisztian wrote:
> > > Hi
> > >
> > > We are using the POI-HSSF to generate ms excel files. It works fine if
> >
> > the
> >
> > > excel sheet contains only a few rows. In our production environment the
> > > excel files have more then 5000 rows. (20-30 columns / row)
> > > Some times during the generation of the excel sheet the jvm executes
> > > the garbage collector. Unfortunately the garbage collector runs more
> > > then
> >
> > two
> >
> > > minutes long.
> > > Something - maybe the POI objects in the memory? - blocks the gc (and
> >
> > the
> >
> > > whole application)...
> > > (without the poi objects the gc runs very fast (only a few millisec))
> > >
> > > Any idea please?
> > >
> > > Regards,
> > > Krisztian
> >
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