On Wed, Jan 4, 2017 at 1:21 AM, Andreas Kretschmer <akretschmer@xxxxxxxxxxxxx> wrote:
Kisung Kim <kskim@xxxxxxxxxxx> 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
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