From: | Itagaki Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp> |
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To: | Andres Freund <andres(at)anarazel(dot)de> |
Cc: | pgsql-hackers(at)postgresql(dot)org, Boszormenyi Zoltan <zb(at)cybertec(dot)at>, hs(at)cybertec(dot)at |
Subject: | Re: draft RFC: concept for partial, wal-based replication |
Date: | 2009-11-30 08:42:39 |
Message-ID: | 20091130174239.64DA.52131E4D@oss.ntt.co.jp |
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Lists: | pgsql-hackers |
Andres Freund <andres(at)anarazel(dot)de> wrote:
> > We need to discuss a "partial recovery" before the partial replication.
> If you do the filtering on the sending side you dont actually need partial
> recover in the sense that you filter in the rmgr or similar.
>
> Or do I miss something?
Sorry, I didn't explain well.
I just suggested the order of development. I think paritial recovery
is easier than partition replication because we don't need to think
network nor multiple clients in recovery.
Also, this feature can be developed on the Streming Replication, but
it is under development -- the code is not fixed. So, I'd suggest to
start the development from independent parts from Streaming Replication.
I believe the partial replication will require modules developed
for the partial recovery in the future.
Regards,
---
ITAGAKI Takahiro
NTT Open Source Software Center
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