High CPU Usage on servers with many cores
Article ID: 77229
CA Application Performance Management Agent (APM / Wily / Introscope)
After installing the Java Agent, CPU Usage spikes up 50% on servers with 100+ CPUs.
The high CPU was related to enabling platform monitoring and its gathering of aggregated CPU utilizations - particularly if multiple agents are trying to access the information simultaneously.
Server with 100+ CPUs
Set the following agent parameter in the agent profile:
If there are multiple agents on a server, all but one should be set to this to prevent CPU contention.