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Cursor Pin S Wait On X High During Select With Parallel Or Gather Schema Stats (Doc ID 1350803.1)

Last updated on FEBRUARY 19, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.2.0.2 [Release 11.1 to 11.2]
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
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
Reviewed 09-July-2015.

Symptoms

The "cursor: pin S wait on X" occurs and it is high during select with
parallel or gather schema stats with parallel degree.

The <Patch 7338648> doesn't fix this behavior.

DIAGNOSTIC ANALYSIS:
--------------------
the ASH report:

Top Event Values

Event % Event

Cause

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In this Document
Symptoms
Cause
Solution
References


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