Re: Replication options?

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От Andrew Rawnsley
Тема Re: Replication options?
Дата
Msg-id 129A3623-EC15-11D8-84DB-000393A47FCC@ravensfield.com
обсуждение исходный текст
Ответ на Re: Replication options?  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Aug 11, 2004, at 12:02 PM, Tom Lane wrote:

> Jeff Eckermann <jeff_eckermann@yahoo.com> writes:
>> That probably won't impress your bosses.  If you need
>> a track record, then erServer might be what you need.
>> erServer is a commercially produced product that was
>> (is still?) used by Afilias, the provider of registry
>> services for the .info and .org domains.  That's
>> serious testing; very large databases and lots of
>> traffic.
>
>> Note that Afilias paid for the development of Slony-I;
>
> ... because they were quite unhappy with erServer ...
>
> Now erServer did work for them, but it required significant amounts of
> tuning and constant babysitting by the DBA.  (If Andrew Sullivan is
> paying attention to this thread, he can offer lots of gory details.)
> I can also personally testify that getting erServer set up is a major
> pain in the rear.  I haven't messed with Slony, but all reports are
> that
> it's a substantially better piece of code.
>
>             regards, tom lane
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 7: don't forget to increase your free space map settings
>


As the last person to do any significant work on the eRServer code (at
least the
open-source version), I would have to agree that Slony is the direction
to
take looking forward. I would like to think we managed to fix a lot of
problems, and
improved the usability of it quite a bit, but Andrew Sullivan and I
agreed that its a dead
end - there will be a final packaging of what's in CVS and that will be
it, unless someone else
wants to pick it up.


--------------------

Andrew Rawnsley
President
The Ravensfield Digital Resource Group, Ltd.
(740) 587-0114
www.ravensfield.com


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