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help / color / mirror / Atom feedFrom: Ulf Lohbrügge <[email protected]>
To: Tom Lane <[email protected]>
Cc: Scott Marlowe <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: Slow execution of SET ROLE, SET search_path and RESET ROLE
Date: Wed, 8 Nov 2017 10:31:42 +0100
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2017-11-08 0:45 GMT+01:00 Tom Lane <[email protected]>:
> =?UTF-8?Q?Ulf_Lohbr=C3=BCgge?= <[email protected]> writes:
> > I just ran "check_postgres.pl --action=bloat" and got the following
> output:
> > ...
> > Looks fine, doesn't it?
>
> A possible explanation is that something is taking an exclusive lock
> on some system catalog and holding it for a second or two. If so,
> turning on log_lock_waits might provide some useful info.
>
> regards, tom lane
>
I just checked my configuration and found out that "log_lock_waits" was
already enabled.
Unfortunately there is no log output of locks when those long running "SET
ROLE" statements occur.
Regards,
Ulf
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Subject: Re: Slow execution of SET ROLE, SET search_path and RESET ROLE
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