Field Notice: FN74005 – Identity Services Engine: Java Heap Size May Significantly Impact System Performance – Software Upgrade Recommended
Affected Cisco Identity Services Engine (ISE) releases may have system performance issues such as high memory utilization, high CPU utilization, high latency, and high load average.
Starting with Cisco ISE Release 2.7 Patch 2, the minimum and initial size of the memory allocation for Java has increased. This may cause a significant amount of CPU resource consumption due to an increase in Java resource allocation.
This advisory can be found at the following link:
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