| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Joel Jacobson <joel(at)trustly(dot)com>,Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: pg_stat_activity.waiting_start |
| Date: | 2016-12-25 13:01:32 |
| Message-ID: | 3A362399-E1F0-4543-B0F9-022F477EB52D@anarazel.de |
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| Thread: | |
| Lists: | pgsql-hackers |
On December 25, 2016 1:21:43 AM GMT+01:00, Joel Jacobson <joel(at)trustly(dot)com> wrote:
>Is it really a typical real-life scenario that processes can be
>waiting extremely often for extremely short periods of time,
>where the timing overhead would be significant?
Yes. Consider WAL insertion, procarray or other similar contended locks.
Andres
--
Sent from my Android device with K-9 Mail. Please excuse my brevity.
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