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Pega Restart is takings hours to come up.



Pega startup is taking hours to start.

Error Messages

The below log snippet highlights where it was taking more time. The time difference between each one painted in yellow is more than 20mins, this added up to 1 hour of JVM restart.

[3/6/16 2:23:22:070 EST] 00000098 SystemOut O 2016-03-06 02:23:22,064[ STANDARD] [ ] (
internal.mgmt.PRNodeImpl) INFO - Preparing Rule-Utility-Library definitions for use...
[3/6/16 2:31:21:828 EST] 00000098 SystemOut O 2016-03-06 02:31:21,827 [ STANDARD] [ ] (ary.
LibraryFunctionUtilityImpl) ERROR - Error compiling: com/pegarules/generated/dcm_cfgutils; see class's compile log file.
[3/6/16 2:44:22:368 EST] 00000098 SystemOut O 2016-03-06 02:44:22,362 [ STANDARD] [ ] ( e
xternal.async.IStartupTask) INFO - load pegaConclusions ..starting
[3/6/16 3:01:47:709 EST] 00000098 SystemOut O 2016-03-06 03:01:47,706 [ STANDARD] [ ] (dict
ionary.ConclusionCacheImpl) INFO - Starting conclusion pre-load...

Steps to Reproduce

Restarting the Pega instance.

Root Cause

Cache is rebuild on every restart.


Restart time is reduced by adding the <env name="initialization/minimalStartup" value="true" /> in prconfig.xml.

Published March 18, 2016 - Updated October 8, 2020

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