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Re: pg_ctl inappropriately timing out?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Alvaro Herrera <alvherre(at)surnet(dot)cl>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: pg_ctl inappropriately timing out?
Date: 2005-06-08 03:32:13
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-bugs
Alvaro Herrera <alvherre(at)surnet(dot)cl> writes:
> On Tue, Jun 07, 2005 at 04:16:49PM -0700, Josh Berkus wrote:
>> When you call pg_ctl --stop, the WAL is still writing out to the database 
>> and postmaster won't shut down until it's done, which can take a couple 
>> minutes.

> Is there any way for pg_ctl to detect a "server is shutting down"
> message?  Not sure what it'd do with it though ...

It strikes me that the server shouldn't ever get a couple minutes behind
on writing dirty buffers; this seems more like a bgwriter configuration
issue than pg_ctl's fault.  Consider that in a standard Unix
configuration you will get about 20 seconds between SIGTERM and SIGKILL
when init wants to shut you down ...

			regards, tom lane

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