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Export JasperReports to DOCX causes performance issue

we are generating docx report through aspose, it is taking lot of time (20 mins) when large amount of data to be printed(14000 records). The memory foot print of aspose is going beyond 1GB. please anyone can suggest if we can reduce this time by any aspose or jasper configuration. or any alternate approach to handle this situation.
steps we are following
1- get the required data from DB
2- fill report with jasper report
3- export to docx (issue is here with memory and taking time)
4- postprocess on report data
With less number of records it works fine and generates report withing few seconds.

@surajparhi

You can use Aspose.Words for .NET/Java to generate report using LINQ Reporting and mail merge engines. Please check the following articles. Hope this helps you.
Mail Merge and Reporting
LINQ Reporting Engine Programmers Guide

Please attach the following resources here for testing:

  • Your .jrprint file.
  • Please share the Aspose.Words for JasperReports version that you are using.
  • Please create a simple Java application ( source code without compilation errors ) that helps us to reproduce your problem on our end and attach it here for testing.

As soon as you get these pieces of information ready, we will start investigation into your issue and provide you more information. Thanks for your cooperation.

PS: To attach these resources, please zip and upload them.