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High 'ksv master wait' And 'ASM File Metadata Operation' Waits In Non-Exadata 11g (Doc ID 1308282.1)

Last updated on OCTOBER 17, 2023

Applies to:

Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

High waits for 'ksv master wait' while doing an ASM file metadata operation were reported when a data migration utility was running.   This wait was also seen for a drop of a tablespace.

The AWR showed the top events were CPU (> 100%), with 'ASM file metadata operation' (7%). 

Cause

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In this Document
Symptoms
Cause
Solution
References


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