On Mon, Jul 2, 2012 at 11:38 AM, Nils Goroll <sl...@schokola.de> wrote:
>> 3.1.7?
>
> Sorry, that was a typo. 9.1.3.
>
> Yes, I had mentioned the Version in my initial posting. This version is the 
> one
> I need to work on as long as 9.2 is beta.
>
>> A major scalability bottleneck caused by spinlock contention was fixed
>> in 9.2 - see commit b4fbe392f8ff6ff1a66b488eb7197eef9e1770a4.  I'm not
>> sure that it's very meaningful to do performance testing on versions
>> that are known to be out of date.
>
> Apparently I have not pointed this out clearly enough. Sorry.

You might try back-porting that one commit and see whether it fixes
your problem.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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