On 2/18/11 11:44 AM, Robert Haas wrote:
> On Fri, Feb 18, 2011 at 2:41 PM, Josh Berkus <j...@agliodbs.com> wrote:
>> Second, the main issue with these sorts of macro-counters has generally
>> been their locking effect on concurrent activity. Have you been able to
>> run any tests which try to run lots of small externally-sorted queries
>> at once on a multi-core machine, and checked the effect on throughput?
>
> Since it's apparently a per-backend limit, that doesn't seem relevant.
Oh! I missed that.
What good would a per-backend limit do, though?
And what happens with queries which exceed the limit? Error message? Wait?
--
-- Josh Berkus
PostgreSQL Experts Inc.
http://www.pgexperts.com
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