12c: QUERY WAITS ON 'CURSOR: PIN S WAIT ON X' DUE TO 'HASH JOIN ANTI' OPERATION IN THE EXPLAIN PLAN

(Doc ID 2334599.1)

Last updated on DECEMBER 12, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.2.0.1 [Release 12.1 to 12.2]
Information in this document applies to any platform.

Symptoms

Lots of 'CURSOR: PIN S WAIT ON X' wait event on parallel queries.

Changes

 Upgraded from 10g to 12.1

Cause

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