On Sat, Sep 30, 2017 at 8:39 AM, Peter Geoghegan <p...@bowt.ie> wrote:
> Isn't that already true in the case of queryId? I've never heard any
> complaints about collisions. Most people don't change
> pg_stat_statements.max, so the probability of a collision is more like
> 1%. And, that's the probability of *any* collision, not the
> probability of a collision that the user actually cares about. The
> majority of entries in pg_stat_statements among those ten thousand
> will not be interesting.

Correction: ten thousand is an example value of pg_stat_statements.max
in the docs, not the default value. The default is five thousand.

Peter Geoghegan

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