Nimesh Satam wrote:
> Thanks for the information. join_collapse_limit = 1 is already set before
> sending the query plan.

I assume that was a typo, and you really set it to 10 or higher...

> Will a index scan on metrics.netkey help in improving the performance what
> other configuration parameters should we consider while opting for
> partition?

Whether it helps or not depends on many things, like the distribution of
the data, but it's worth trying. I'd try that first, before worrying
about config parameters.

-- 
  Heikki Linnakangas
  EnterpriseDB   http://www.enterprisedb.com

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