Sanjiv Jivan <sanjiv.jivan <at> gmail.com> writes:

> 
> I'm using poi-2.5.1-final and ran into an issue with POI. Our app gives
> users the ability to download spreadsheets and some spreadsheets have ~6000
> rows with 10 columns. Also at any time many users could be downloading this
> spreadsheet. I set the JVM heap size to the max ( 1.5GB) yet when there are
> 4 concurrent downloads, the memory footprint is so high that the server runs
> out of memory. This happened to us in production today. Also after a
> spreadsheet was created with POI, the memory did not appear to be reclaimed
> even after a long period of other server activity (where the GC should have
> been called since it was pegging close to max memory available).
> 
> So my questions are :
 
> 3. Can anyone share their experience with jexcelapi (
> http://jexcelapi.sourceforge.net/  <http://jexcelapi.sourceforge.net/> ) -
> in particular with reference to
> memory footprint
> 
I'v rewrited my application to Jexcel, because I had diffrent problem,
but I can say that JExcel can handling with bigger files then POI. 
I was able to create 40,3MB file with 170000 rows with 14 columns 
(on 3 sheets) on 256MB memory.
Agata


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