nairsunil Posted November 2, 2007 Share Posted November 2, 2007 I am facing some performance issue while generating reports in Excel. I have a query which when I run it from Oracle SQL returns me 45,000 records in about a min but when I use them to generate reports in jasper it takes a long time and it also throws me java.lang.OutOfMemoryError: PermGen space Any ideas how to improve the performance of Excel reports? Link to comment Share on other sites More sharing options...
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