| From: | Itagaki Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp> |
|---|---|
| To: | Boszormenyi Zoltan <zb(at)cybertec(dot)at> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, hs(at)cybertec(dot)at, Andres Freund <andres(at)anarazel(dot)de> |
| Subject: | Re: draft RFC: concept for partial, wal-based replication |
| Date: | 2009-11-30 02:57:11 |
| Message-ID: | 20091130115711.49FB.52131E4D@oss.ntt.co.jp |
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| Lists: | pgsql-hackers |
Boszormenyi Zoltan <zb(at)cybertec(dot)at> wrote:
> we tried to discuss on a lower level what should be needed
> for a partial replication based on streaming replication.
We need to discuss a "partial recovery" before the partial replication.
There are some related items in out ToDo list and previous discussions:
http://wiki.postgresql.org/wiki/Todo
- Allow WAL logging to be turned off for a table,
but the table might be dropped or truncated during crash recovery
- Allow WAL logging to be turned off for a table,
but the table would avoid being truncated/dropped
- rmgr_hook
http://archives.postgresql.org/pgsql-hackers/2008-12/msg01361.php
Could you try them first as a preparation for the partial replication?
Regards,
---
ITAGAKI Takahiro
NTT Open Source Software Center
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