Re: BUG #8470: 9.3 locking/subtransaction performance regression

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От Alvaro Herrera
Тема Re: BUG #8470: 9.3 locking/subtransaction performance regression
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Msg-id 20131005151450.GA7086@eldon.alvh.no-ip.org
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Ответ на Re: BUG #8470: 9.3 locking/subtransaction performance regression  (Oskari Saarenmaa <os@ohmu.fi>)
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Oskari Saarenmaa wrote:
> 05.10.2013 01:31, Alvaro Herrera kirjoitti:
> > AFAICS the problem here is that this test doesn't use MultiXactIds at
> > all in 9.2, but it does in 9.3.  I vaguely recall Noah tried to convince
> > me to put in an optimization which would have avoided this issue; I will
> > give that a thought.  I don't think I will be able to get it done for
> > 9.3.1 though.
>
> Is the schedule for 9.3.1 visible somewhere?

Not sure.  I just happen to know it'll be git-tagged early next week.

> Please reconsider trying to get a fix for this in as it's a pretty big
> regression from 9.2.

I understand the pressure.  Sadly, I have other things scheduled right
now that I can't postpone.  I might still be able to get to it over the
weekend; if someone else has time and can submit and/or test a patch,
that would perhaps allow me to get it done in time.

--
Álvaro Herrera                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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