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Cisco Bug: CSCuo54416 - leak in mSides map at LBMInterface for join scenarios across node

Last Modified

Feb 26, 2019

Products (7)

  • Cisco Unified Communications Manager (CallManager)
  • Cisco Intercompany Media Engine
  • Cisco Unity Connection Version 9.1
  • Cisco Business Edition 5000 Version 9.1
  • Cisco Unified Communications Manager Version 9.1
  • Cisco Business Edition 6000 Version 9.1
  • Cisco Unified Communications Manager Session Management Edition

Known Affected Releases

9.1(1)

Description (partial)

Symptom:
ccm service memory continues to increase until it reaches its max VM size at which point core dump occurs. 
Core dump backtrace will show symptoms of memory leak.

Conditions:
Seen on busy multi-node clusters with multiple call processors (appx at least 2 nodes with about 5000 phones on each), where call flows may involve call control moving between the nodes, such as transfer across nodes.
In these conditions, we would see about a 1-3MB increase in memory for every 3-4 hours of the business day. 

Found initially on 9.1.1.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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