After import many portals in cluster environment, JCR indexes in JBoss Cache eat up heap space in the replicated node in JBoss Portal. How to release them?

Solution Unverified - Updated -

Issue

  • When I imports 1000 portals into clustered JBoss Portal 5.2.2, heap space in replicated node is exhausted. We diagnosed their heap dumps from the replicated node, DefaultPartition-jcrindexer took up 574MB. On the other hand, node 32, the imported node, it took up just 6KB. 5511 ChangesFilterListsWrapper objects are in cache of node A but none in node B. How to release these objects?
  • Which file should I fix in case of JBoss Portal 6.1.0?

Environment

  • Red Hat JBoss Portal
    • 5.2.2
    • 6.1.0
  • Clustered

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