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From: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
To: Harold Falkmeyer <hfalkmeyer@gmail.com>
To: pgsql-admin@postgresql.org
Subject: Re: Immediate Shutdowns
Date: Tue, 6 Jun 2017 23:25:04 -0400
Message-ID: <bde871fb-f410-d162-a0f9-104e3aae4dd2@2ndquadrant.com> (raw)
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On 6/6/17 22:56, Harold Falkmeyer wrote:
> Are there long-term detriments from executing an immediate shutdown
> and/or issuing SIGQUITs to either the parent or any child postmaster? 

There shouldn't be any.

> What might cause an operation, such as a VACUUM ANALYZE, not to exit
> upon receiving a SIGTERM.  Are there any circumstances when a SIGQUIT
> could fail to cause an imminent exit (other than a process in an
> fundamentally unreceptive state, such as an uninterruptible sleep).

You write in another thread that you are using 8.4.  That could
certainly have more issues/bugs in this area, if you're not seeing the
behavior you want.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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