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Cisco Bug: CSCvi48751 - frequent GC spikes

Last Modified

Aug 09, 2018

Products (1)

  • Cisco Mobility Services Engine

Known Affected Releases

12.1.0

Description (partial)

Symptom:
CU is observing frequent GC spikes on random qns vms, these spikes continuing until qns service restart.

As per CPS code, CPS will load all the account balance templates for the subscriber which do not have any balance associated with them.
These can cause the huge count of account balance objects in open state at a time.
 
From heapdump it was observed that there are lots of accountbalance objects are created. And also confirmed with the CU that they have the active subscribers which do not have balance attached with them.

Conditions:
When there is no balance assigned to subscriber and there are more account balance templates configured in PB.
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