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.
Published November 18, 2016 - Updated October 8, 2020
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