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 20131004223141.GZ5235@eldon.alvh.no-ip.org
обсуждение исходный текст
Ответ на Re: BUG #8470: 9.3 locking/subtransaction performance regression  (Alvaro Herrera <alvherre@2ndquadrant.com>)
Ответы Re: BUG #8470: 9.3 locking/subtransaction performance regression  (Oskari Saarenmaa <os@ohmu.fi>)
Re: BUG #8470: 9.3 locking/subtransaction performance regression  (Alvaro Herrera <alvherre@2ndquadrant.com>)
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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.

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

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