High CPU utilization and slow IO due to space map thrashing.
(Doc ID 2203025.1)
Last updated on JANUARY 07, 2021
Applies to:Solaris Operating System - Version 11.1 to 11.3 [Release 11.0]
Information in this document applies to any platform.
A system running Oracle Database will show high CPU utilization and database transactions are running slow.
The output of vmstat shows occasional high count of threads in the run queue:
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