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Support Article

Heap shows accumulation of DBLockProviderImpl objects

SA-29576

Summary



System administrators have noted a growth in heap size over time.  Inspection of heap dumps show a buildup of objects of class DBLockProviderImpl$LockInformation.


Error Messages



Not applicable


Steps to Reproduce



This is occurring in an application that is exposed through a web portal - where there is no way to control or prevent users from abandoning sessions without logging off cleanly.


Root Cause



A defect in Pegasystems’ code allows accumulation of objects in the LockCache (objects of class DBLockProviderImpl$LockInformation).

Resolution



Apply HFix-29980.

 

Suggest Edit

Published November 18, 2016 - Updated October 8, 2020

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