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 NOVEMBER 03, 2016

Applies to:

Oracle Weblogic Server - Version 9.2 to 9.2
Oracle Coherence - Version 3.6.0 to 3.7.1.9 [Release AS10g]
Information in this document applies to any platform.

Symptoms

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:

 

Changes

 No changes were applied before the issue presented itself.

Cause

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