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LGWR waiting on 'ON CPU' in AIX 7.2 (Doc ID 2789412.1)

Last updated on APRIL 17, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
IBM AIX on POWER Systems (64-bit)

Symptoms

1. DB performance significantly degraded due to 'log file sync'

 7. User uses Power VM infrastructure. In the case, Entitled Capacity(EC) is 110, Virtual Process(VP) is 110.

Changes

 Change parameter vpm_xvcpus value from 2 to 40

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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