Troubleshooting steps for when there is issue with High CPU or Memory usage.

Last modified on 15 Apr, 2025. Revision 3
This text is thought to be some general suggestions on what to check if you have issue with High CPU or Memory usage. This text is not all that might be needed, but should be considered to be part of the general check in this scenario
Status OK

CPU or Memory Overload

Change Review

  • Has there been an increase in:
    • Traffic volume
    • Logging verbosity
    • Service or application configurations?

Diagnostic Actions

  1. Review system usage through Performance Monitor or InControl dashboards.
  2. Identify high-usage processes consuming CPU or memory.
  3. Capture network traffic to detect floods or scans.
  4. Look for indicators of DoS attacks or traffic anomalies.
  5. Reduce logging levels or redirect logs to an external syslog server so it is possible to followup on.
  6. Restart resource-intensive services cautiously.
  7. Reference this KB article for advanced analysis: https://kb.clavister.com/324736260

Recovery Milestones

  • CPU and memory usage returns to a stable state.
  • Overload identified as external (e.g., a DoS attack).
  • Adjustments or rollback stabilize system behavior.

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