From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
---|---|
To: | Kevin Grittner <kgrittn(at)ymail(dot)com> |
Cc: | Vik Fearing <vik(dot)fearing(at)dalibo(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Josh Berkus <josh(at)agliodbs(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net> |
Subject: | Re: idle_in_transaction_timeout |
Date: | 2014-06-22 15:30:35 |
Message-ID: | 20140622153035.GL30721@alap3.anarazel.de |
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Thread: | |
Lists: | pgsql-hackers |
On 2014-06-21 11:23:44 -0700, Kevin Grittner wrote:
> Andrew Dunstan <andrew(at)dunslane(dot)net> wrote:
>
>
> > On 06/19/2014 06:33 PM, Josh Berkus wrote:
>
> >>> ISTM our realistic options are for seconds or msec as the unit. If it's
> >>> msec, we'd be limited to INT_MAX msec or around 600 hours at the top end,
> >>> which seems like enough to me but maybe somebody thinks differently?
> >>> Seconds are probably OK but I'm worried about somebody complaining that
> >>> that's not enough resolution, especially as machines get faster.
> >> I can picture a 500ms timeout more readily than I can picture a 1000hr
> >> timeout.
> >
> > As long as we can specify the units, and don't have to say 1000 to mean
> > 1 second, I agree. I would normally expect this to be set in terms of
> > minutes rather than millisecs.
>
>
> OK, so I think we want to see a patch based on v1 (FATAL approach)
> with a change of the name to idle_in_transaction_session_timeout
> and the units changed to milliseconds.
The idea with the GUC name is that if we ever get support for cancelling
transactions we can name that idle_in_transaction_transaction_timeout?
That seems a bit awkward...
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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