High Waits On Real-time Descriptor Latch From 220.127.116.11
Last updated on APRIL 14, 2018
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Information in this document applies to any platform.
High "latch free" waits are observed for database after upgrading to 12c.
Since "latch free" is a big umbrella wait, narrowing down further shows "Real-time descriptor latch" as the main culprit.
After upgrade to 22.214.171.124 onwards.
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