On Wed, Jan 4, 2017 at 1:21 AM, Andreas Kretschmer < akretsch...@spamfence.net> wrote:
> 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 > > Thank you for your reply. I use real hardware. I am curious timing functions have contentions when multi-threads call them. > > 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 > -- Bitnine Global Inc., Kisung Kim, Ph.D https://sites.google.com/site/kisungresearch/ E-mail : ks...@bitnine.net Office phone : 070-4800-5890, 408-606-8602 US Mobile phone : 408-805-2192
