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Pl/Sql Developer Session Blocked With "Enq: Ps - Contention" Wait, By Generated Parallel Session (Doc ID 1303148.1)

Last updated on AUGUST 14, 2020

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Symptoms


- Hang analysis show a number of blocked sessions.
- All are PL/SQL Developer blocked by a parallel session with the same AUDSID and waiting on "enq: PS - contention"
- These blocking sessions are also using a lot of CPU.

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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