On Wed, Jan 10, 2018 at 03:05:39PM +0100, Julian Markwort wrote:
> Hello hackers,
>
> I'd like to follow up to my previous proposition of tracking (some) best and
> worst plans for different queries in the pg_stat_statements extension.
>
> Based on the comments and suggestions made towards my last endeavour, I've
> taken the path of computing the interquartile distance (by means of an
> adapted z-test, under the assumption of normal distribution, based on the
> mean_time and stddev_time already used by the extension).
Is the assumption of a normal distribution reasonable for outlier
plans as you've seen them?
Best,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778
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