How to change java heap size for CA Workload Automation DE server process?

Document ID : KB000042206
Last Modified Date : 03/12/2018
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Introduction:
How to change java heap size for CA Workload Automation DE server process?
Background:
By default CA Workload Automation DE (DE) server process is allocated with 1GB of heap memory.  Based on your workload this amount may not be sufficient and needs to be increased.
Environment:
CA Workload Automation DE 11.3 and higher
Instructions:
Here are the steps to change the heap size for DE server process: 
UNIX
The maximum heap size is set using the MAX_HEAP_SIZE parameter in the <install_directory>/bin/startServer script. 
Example:
Set the maximum heap size to 4GB
MAX_HEAP_SIZE=4096
Windows
The maximum heap size is set using the jvm property parameters in the <install_directory>\conf\ windows.service.properties
Example:
Set the maximum heap size to 4GB
jvmproperty_3=-Xmx4096M

Note: DE server process needs to be restarted for the change to take effect.
Additional Information:
CA Workload Automation DE Deployment Best Practices