Re: 9.2 - Parallel Query Not Working

From: Greg Rahn <>
Date: Thu, 28 Feb 2008 11:38:32 -0800
Message-ID: <>

What does v$px_session show for DEGREE and REQ_DEGREE? If you bounce the instance does it work? What PQ parameters are set?

First I would determine if it is giving you the requested number of slaves. If it's not, then the fun starts :)

On 2/28/08, David Aldridge <> wrote:
> On a database on Solarix 64, which is created every day from a
> magical SAN-based mirror process thing (excuse the tech talk), we alter a
> particular table to a default degree of parallelsim of 12. A process which
> performs a full scan of that table picks up the degree of 12 and completes
> in a couple of hours.
> Later in the day we can no longer prompt the instance to give any
> parallelism.


Greg Rahn
Received on Thu Feb 28 2008 - 13:38:32 CST

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