Support Article

Asynchronous data page load hangs near peak load



The user notices several performance issues after a weekend minor application release. Users are unable to work in the application. Thread dumps are seen in the log file.

Error Messages

Not Applicable

Steps to Reproduce

Not Applicable.

Root Cause

A defect or configuration issue in the operating environment

This application is using asynchronous load of data pages extensively. Asynchronous data page loads are using work manager thread. users's environment this was set to 5 and Pega deployment guide suggests 20.


Make the following change to the operating environment:

Increase the Websphere work manager thread count to 35 in UAT environment and did performance testing to make sure everything is good before moving the change to production.

Published February 28, 2017 - Updated March 1, 2017

Have a question? Get answers now.

Visit the Collaboration Center to ask questions, engage in discussions, share ideas, and help others.