Skip site navigation (1) Skip section navigation (2)

Re: smart shutdown at end of transaction (was: Default mode for shutdown)

From: Magnus Hagander <magnus(at)hagander(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Simon Riggs <simon(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: smart shutdown at end of transaction (was: Default mode for shutdown)
Date: 2012-04-27 18:51:05
Message-ID: CABUevEzHL97QwH0JZ-PT6w_4K0MSSh5rn9WX=eEc7U6k3m86_A@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On Fri, Apr 27, 2012 at 20:48, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> Simon Riggs <simon(at)2ndQuadrant(dot)com> writes:
>> On Fri, Apr 27, 2012 at 7:29 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>>> No, I'm not happy with that.  Smart shutdown is defined to not affect
>>> current sessions.  I'm fine with having a fourth mode that acts as you
>>> suggest (and, probably, even with making it the default); but not with
>>> taking away a behavior that people may well be relying on.
>
>> Agreed, but not sure what to call the new mode: "smarter"?
>
> I'm not necessarily opposed to commandeering the name "smart" for the
> new behavior, so that what we have to find a name for is the old "smart"
> behavior.  How about
>
>        slow    - allow existing sessions to finish (old "smart")

How about "wait" instead of "slow"?

>        smart   - allow existing transactions to finish (new)

and still default, right?

>        fast    - kill active queries
>        immediate - unclean shutdown



-- 
 Magnus Hagander
 Me: http://www.hagander.net/
 Work: http://www.redpill-linpro.com/

In response to

Responses

pgsql-hackers by date

Next:From: Tom LaneDate: 2012-04-27 18:56:10
Subject: Re: smart shutdown at end of transaction (was: Default mode for shutdown)
Previous:From: Tom LaneDate: 2012-04-27 18:48:27
Subject: Re: smart shutdown at end of transaction (was: Default mode for shutdown)

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group