Troubleshooting
Problem
When running QRadar Network Security (IQNS) firmware 5.4, you may see the memory graphs show increased memory utilization and possible System Events.
Symptom
Memory graphs show increased memory utilization but do not appear to match the actual memory usage on the appliance. If this is high enough, it could cause a System Event to trigger as indicated below:
Event ID: GLGSY0039W
Event Description: The system memory use of XX percent has exceeded the specified limit of 90 percent
Cause
This is due to a known defect in 5.4 with memory calculation. This is due to it not considering cached memory properly.
Resolving The Problem
To resolve the issue, contact Support and request patch 5.4-ISS-XGS-All-Models-Hotfix-IF0001 or later.
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Document Information
Modified date:
16 June 2018
UID
swg22002436