Grid Control Performance: How to Collect More Information When OMS Threads Consume High CPU? (Doc ID 1185563.1)

Last updated on FEBRUARY 01, 2022

Applies to:

Purpose

The purpose of this note is to help/guide Enterprise Manager Grid Control Administrators to effectively investigate, diagnose and verify Enterprise Manager OMS (OC4J_EM) consuming high CPU at the Operating System level.

For troubleshooting effectively, a good understanding of the following is essential:

• Description of OMS Threads / Components:
  <Note 1097545.1>: Description of Important Java Threads in a 10g Grid Control Oracle Management Service (OMS) 
• OMS Configuration Files:
  <Note 1080406.1>: Description of Important Configuration files in the 10g Oracle Management Service (OMS) Home of the Enterprise Manager Grid Control
• <Note 298991.1>: How to Process Control (start, stop, check status) the Oracle Management Service(OMS) Component in Enterprise Manager Grid Control 10g
• Controlling the Log and Trace Files for OMS:
  <Note 229627.1>: How to Locate 10g Grid Control OMS Log / Trace Files and Control their Size and Other Details

Troubleshooting Steps

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