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

Last updated on DECEMBER 21, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.4 to 10.2.0.5 [Release 10.2]
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.

Cause

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