OGG Classic Extract Causes High Wait Event: ASM FILE METADATA OPERATION

(Doc ID 1613525.1)

Last updated on JULY 17, 2017

Applies to:

Oracle GoldenGate - Version 11.2.1.0.6 and later
Information in this document applies to any platform.

Symptoms

When Classic extract is started, we see following db wait events from awr report file:

Event Event Class % Activity Avg Active Sessions

ASM file metadata operation Other 35.38 0.08
CPU + Wait for CPU CPU 20.00 0.04
control file sequential read System I/O 1.54 0.00
db file parallel write System I/O 1.54 0.00
gcs log flush sync Other 1.54 0.00

Cause

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