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Support Article

Cannot select simulation thread count above 10 in Pega 7.1.7

SA-20251

Summary



Thread count cannot be above ten in NBAM when Simulation topology is created. WorkManager maximum thread count in WebSphere was tried to change to 50 and the following parameters were added to prconfig:
     <env name="agent/threadpoolsize" value="20" />
     <env name="services/maxrequestorchildren" value="20" />

Error Messages



Not Applicable

Steps to Reproduce



1. Change the WorkManager maximum threads in Websphere to 50.
2. Add the following to prconfig.xml file:
       <env name="agent/threadpoolsize" value="20" />
       <env name="services/maxrequestorchildren" value="20" />
3. Restart the application. The value could not be set greater than ten from dropdown in the Simulation Topology Settings of Decisioning.

Root Cause



Increasing the thread count functionality for Decisioning: Simulation Settings through prconfig entries was introduced in Pega 7.1.8 release. Hence, the prconfig entries were not reflected in the Simulation Settings page in Pega 7.1.7.

Resolution



Perform the following local-change:
Add a Dynamic System Setting as:
Ruleset: Pega-Engine
Purpose: prconfig/services/maxrequestorchildren/default
Suggest Edit

Published March 3, 2016 - Updated October 8, 2020

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