Kisung Kim <ks...@bitnine.net> wrote: > And finally I found that auto_explain is the cause of the problem.
real hardware or virtual hardware? On virtual there are sometimes problems with exact timings, please read: https://www.postgresql.org/docs/current/static/pgtesttiming.html Regards, Andreas Kretschmer -- Andreas Kretschmer http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general