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Sudden Increase In Memory Used by Coherence Nodes During Query Processing Accumulated in a LinkedList Within com.tangosol.coherence.component.util.daemon.queueProcessor.service.grid.partitionedService.PartitionedCache$QueryRequest (Doc ID 1564461.1)

Last updated on SEPTEMBER 18, 2023

Applies to:

Oracle Coherence - Version 3.6.0 to [Release AS10g]
Oracle WebLogic Server - Version 9.2 to 9.2
Information in this document applies to any platform.


Outage caused by a sudden increase in memory usage across multiple JVMs where run nodes executing data requests against a cluster.

Analyzing the heap dump obtained from one of the JVMs and analyzing it with the Eclipse Memory Analyzer Tool, reports a potential leak suspect:



 No changes were applied before the issue presented itself.


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