My Oracle Support Banner

Coherence Cluster Nodes Reports High Memory Usage While Applications Were Using InKeySetFilter (Doc ID 2803848.1)

Last updated on SEPTEMBER 07, 2021

Applies to:

Oracle Coherence - Version and later
Information in this document applies to any platform.


The user found that some of the clusters are taking high Node memory usage. The user would do OS Patching every week on servers, which will reboot the servers after the patch is applied and the nodes will be restarted. However, due to some exclusion of patching for more than a month, the user had found high memory usage on many of the partition nodes of the cluster, which caused slowness on the application side. Heap dumps are shown that comparing the before and after, InKeySetFilter objects in the retained heap. The user has the InKeySetFilter nested inside a MapEventFilter.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.