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Support Article

Maximum Heap Size in Websphere



As per the Pega install document for 7.1.6, the Maximum Heap Size needs to be set as 4096MB.  Current Websphere has been installed using 32-bit and we can not set Maximum Heap Size to more than 2048 MB.

Error Messages


Steps to Reproduce


Root Cause

Question about installation manual instructions.


The explanation for this behavior is as follows: 
For 32-bit servers, it would be inappropriate to set this value to larger than 2048 MB. As such, this value is acceptable.

Published January 31, 2016 - Updated October 8, 2020

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