From: | Joe Conway <mail(at)joeconway(dot)com> |
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To: | Steven Singer <ssinger(at)navtechinc(dot)com> |
Cc: | pgsql-patches(at)postgresql(dot)org, achill(at)matrix(dot)gatewaynet(dot)com |
Subject: | Re: contrib/dbmirror conditional replication |
Date: | 2003-11-29 17:37:13 |
Message-ID: | 3FC8D949.5040703@joeconway.com |
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Lists: | pgsql-patches |
Steven Singer wrote:
> Downsides include that the code is kind of complicated, insert,updates and
> deletes are much slower and a lot of extra information needs to be stored by
> the mirroring system(see the accounting table).
I second this part.
> I added a compile time flag to enable or disable this feature.
>
> I think there's demand for conditional replication(because I've had other
> requests for it) I'm just wondering if this is a good starting point?
I need conditional replication, but personally I'm not fond of the
depends-on row chaining stuff. And I think there are simpler ways to get
the conditional replication, but unfortunately I haven't had time to
work on proving that yet, so I could be wrong ;-)
I don't think you'll get much feedback from dbmirror users on PATCHES --
it might be a good idea to solicit input on GENERAL or maybe the gborg
replication list.
Joe
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