High 'latch: row cache objects' is observed on the standby database when running queries in parallel
(Doc ID 2435124.1)
Last updated on FEBRUARY 21, 2019
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 and later
Information in this document applies to any platform.
A SQL statement that used to complete in less than one minute on the primary database takes about fifteen minutes to complete on the Standby DB.
High 'latch: row cache objects' is observed on a standby database when running queries in parallel. This does not happen when the query runs in serial mode.
The contention looks to be occurring among the parallel slaves for no good reason as this database is read-only.
The blocker's call stack:
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