High CPU utilization and slow IO due to space map thrashing. (Doc ID 2203025.1)

Last updated on NOVEMBER 15, 2016

Applies to:

Solaris Operating System - Version 11.1 and later
Information in this document applies to any platform.

Symptoms

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:

 

 

Cause

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