12c: 'acknowledge over PGA limit' Wait Event (Doc ID 2138882.1)

Last updated on JULY 06, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.1 and later
Information in this document applies to any platform.

Symptoms

One can see some sessions waiting on 'acknowledge over PGA limit' wait event blocking other sessions in the HANGANALYZE trace file.

For example:

Changes

 No changes were made in database to cause this wait event.

Cause

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