12c Agent consumes excessive CPU when running Qualys scan with high version counts
(Doc ID 2119492.1)
Last updated on FEBRUARY 20, 2019
Enterprise Manager Base Platform - Version 18.104.22.168.0 and later Oracle Database - Enterprise Edition - Version 22.214.171.124 and later Oracle Database Cloud Schema Service - Version N/A and later Oracle Database Exadata Express Cloud Service - Version N/A and later Oracle Database Exadata Cloud Machine - Version N/A and later IBM: Linux on System z Linux x86-64
When Qualys scan (www.qualys.com - scan network for security threats) is run on zLinux server with OEM 12c Agent, causes agent to consume excessive CPU and stops server.
There were several instances of zLinux OEM agent on main production servers consuming upwards of 400% CPU, and this brings the database to a halt and eventually the agent has to be restarted to release CPU resources.
EM 126.96.36.199.0 Agent patched to EM Bundle Patch 188.8.131.52.10 (21168025) running on zlinux (IBM: Linux on System z).
This CPU resource shortage issue will bring main production system to a halt, and can not process overnight batch work and will breach customer SLAs.
This occurs with JDBC patch 18502187, recommended by notes, 1909576.1 and 1474263.1.
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