Re: Any better plan for this query?..

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, 2009-05-12 at 14:28 +0200, Dimitri wrote:

> As problem I'm considering a scalability issue on Read-Only workload -
> only selects, no disk access, and if on move from 8 to 16 cores we
> gain near 100%, on move from 16 to 32 cores it's only 10%...

Dimitri,

Will you be re-running the Read-Only tests?

Can you run the Dtrace script to assess LWlock contention during the
run?

Would you re-run the tests with a patch?

Thanks,

-- 
 Simon Riggs           www.2ndQuadrant.com
 PostgreSQL Training, Services and Support


-- 
Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance

[Postgresql General]     [Postgresql PHP]     [PHP Users]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Yosemite]

  Powered by Linux