Re: 2-phase commit

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От Bruce Momjian
Тема Re: 2-phase commit
Дата
Msg-id 200310091442.h99Eg3R29404@candle.pha.pa.us
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Ответ на Re: 2-phase commit  (Peter Eisentraut <peter_e@gmx.net>)
Ответы Re: 2-phase commit  (Peter Eisentraut <peter_e@gmx.net>)
Re: 2-phase commit  (Mike Mascari <mascarm@mascari.com>)
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Peter Eisentraut wrote:
> Andrew Sullivan writes:
> 
> > Does the proposal of allowing dbas to run that risk, provided there's a
> > mechanism to tell them about it, satisfy the objection (assuming, of
> > course, 2PC can be turned off)?
> 
> Why would you spent time on implementing a mechanism whose ultimate
> benefit is supposed to be increasing reliability and performance, when you
> already realize that it will have to lock up at the slightest sight of
> trouble?  There are better mechanisms out there that you can use instead.

If you want cross-server transactions, what other methods are there that
are more reliable?  It seems network unreliability is going to be a
problem no matter what method you use.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
359-1001+  If your life is a hard drive,     |  13 Roberts Road +  Christ can be your backup.        |  Newtown Square,
Pennsylvania19073
 


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