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 -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers