Re: Replication and PITR

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От Bill Moran
Тема Re: Replication and PITR
Дата
Msg-id 20060921124428.0fa24118.wmoran@collaborativefusion.com
обсуждение исходный текст
Ответ на Re: Replication and PITR  (Csaba Nagy <nagy@ecircle-ag.com>)
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In response to Csaba Nagy <nagy@ecircle-ag.com>:

> > > Cons:
> > - No reliability.  On slow days, WAL logs could take a long time to
> >   rotate, so small but important transactions might not be replicated
> >   for a long time.
>
> That's gone with 8.2, it will be possible to stream the last
> modifications, or force a WAL recycle periodically, whatever fits you
> better. There is some new infrastructure which allows these things,
> although I didn't have the time to play with them.
>
> The big improvement would be indeed to have the infrastructure to start
> up a standby by simply pointing it to the master server, no other setup
> needed. Implement that, make it reliable, and any beginner to postgres
> will be able to easily set up a WAL shipping based standby. Right now
> you still have to do some complicated scripting to make it work (no idea
> how much 8.2 will help here, didn't try yet).

That will be some neat stuff.  I didn't know that was coming up.

--
Bill Moran
Collaborative Fusion Inc.

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