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I have added performance tag to make question's scope acurate. It was ok already, just adding the suebject that left which I think is the core of the question

Exporting huge data into XLS in a web application

I am developing a web application in Java/J2EE, in which I have export functionality. I have used Jasper for the same. The issue is when trying to export a huge set of data it is consuming a lot of time.

Is there any design approach for export functionality so that I can improve the performance?

I had tried JExcel API earlier and then moved to DynamicJasper API.

Hariharbalaji
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