Re: Two Phase Commit WAS: Re: Two weeks to feature freeze

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От Rod Taylor
Тема Re: Two Phase Commit WAS: Re: Two weeks to feature freeze
Дата
Msg-id 1056405812.64205.19.camel@jester
обсуждение исходный текст
Ответ на Re: Two Phase Commit WAS: Re: Two weeks to feature freeze  (Josh Berkus <josh@agliodbs.com>)
Ответы Re: Two Phase Commit WAS: Re: Two weeks to feature freeze  (Mike Mascari <mascarm@mascari.com>)
Re: Two Phase Commit WAS: Re: Two weeks to feature freeze  (Bruce Momjian <pgman@candle.pha.pa.us>)
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> Perhaps the people on this list who are pushing 2PC could do the ground work?


- 2PC is better than a standard transaction when dealing with multiple
servers as it can recover in some circumstances (but not all).

- 2PC (XA support as described by the X/Open group) is the only
implementation of distributed transactions supported by many third party
components -- that I'm aware of -- to the point where it is a part of
the Java Spec on dealing with distributed transactions.

- 2PC isn't very good in a number of circumstances, as such PostgreSQL
should avoid its use when PostgreSQL has a choice in the matter -- like
communication with other PostgreSQL servers.

This is a case of learning to speak Japanese because all of the people
you want to talk with only speak Japanese. It simply doesn't matter how
good Esperanto is.

--
Rod Taylor <rbt@rbt.ca>

PGP Key: http://www.rbt.ca/rbtpub.asc

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