Database Hangs with High "gc freelist" wait
(Doc ID 2055409.1)
Last updated on SEPTEMBER 16, 2021
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 to 220.127.116.11 [Release 11.2 to 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
RacOneNode database, it becomes slow to hang with many sessions waiting for "gc freelist".
ASH report covering the problem time shows very high wait for "gc freelist":
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