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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