Significant 'Cursor: Pin S Wait On X' Waits When Using In-memory Column Store and Parallel Query (Doc ID 1910787.1)

Last updated on MAY 17, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]
Information in this document applies to any platform.

Symptoms

You see significant waits for "Cursor: Pin S Wait on X" when selecting from the in-memory column store and running in parallel.   The explain plan contained the TABLE ACCESS INMEMORY FULL operation.



Cause

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