Re: Sync Rep Design

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От Simon Riggs
Тема Re: Sync Rep Design
Дата
Msg-id 1293796315.1892.37351.camel@ebony
обсуждение исходный текст
Ответ на Re: Sync Rep Design  (Joshua Tolley <eggyknap@gmail.com>)
Список pgsql-hackers
On Thu, 2010-12-30 at 20:26 -0700, Joshua Tolley wrote:
> 2) initiate fsync on the primary first
> >    - In this case, the slave is always slightly behind.  If if your
> > primary falls over, you don't give commit messages to the clients,
> but
> > if it recovers, it might have committed data, and slaves will still
> be
> > able to catch up.
> > 
> > The thing is that currently, even without replication, #2 can
> happen.
> 
> For what little it's worth, I vote for this option, because it's a
> problem that can already happen (as opposed to adding an entirely new
> type of problem to the mix).

This proposal provides #2, so your wish is met.

-- Simon Riggs           http://www.2ndQuadrant.com/books/PostgreSQL Development, 24x7 Support, Training and Services



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