On 01/29/2014 04:55 AM, Simon Riggs wrote:
> It is possible that adding this extra straw breaks the camel's back,
> but it seems unlikely to be that simple. A new feature to help
> performance problems will be of a great use to many people; complaints
> about the performance of pg_stat_statements are unlikely to increase
> greatly from this change, since such changes would only affect those
> right on the threshold of impact. The needs of the many...
> 
> Further changes to improve scalability of pg_stat_statements seem
> warranted in the future, but I see no reason to block the patch for
> that reason

If we're talking here about min, max and stddev, then +1.  The stats
we've seen so far seem to indicate that any affect on query response
time is within the margin of error for pgbench.

-- 
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com


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