Enabling Heartbeat Table Causes CPU Spike On The Target Database
(Doc ID 2400505.1)
Last updated on MAY 21, 2018
Applies to:Oracle GoldenGate - Version 184.108.40.206.0 and later
Information in this document applies to any platform.
After enabling Heartbeat table at the target:
1) The heartbeat table gets Row Exclusive lock.
2) AWR report shows more "enq:TM - contention".
3) TOP SQL shows more elapsed time for heartbeat table update .
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