| From: | "Albe Laurenz" <laurenz(dot)albe(at)wien(dot)gv(dot)at> |
|---|---|
| To: | "Pawel Veselov *EXTERN*" <pawel(dot)veselov(at)gmail(dot)com> |
| Cc: | <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Understanding streaming replication |
| Date: | 2012-11-13 08:43:23 |
| Message-ID: | D960CB61B694CF459DCFB4B0128514C208AF06A3@exadv11.host.magwien.gv.at |
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| Lists: | pgsql-general |
Pawel Veselov wrote:
>> From your later comments, it's also apparent that these archived WALs will be useless after
>> failover (for the purpose of recovery), so there is no reason to send them to all the nodes after all.
>
> I obviously lost it here. The archives do need to be synchronized, for the purpose of recovering
> slaves. If a slave dies, and I want to recover it, it may need the archived WALs, and for this, the
> archives should be available on the node. So, rsync (or something like that) is necessary. But it's a
> bad idea to run the rsync from the archive command itself.
Right, that's exactly what I tried to say.
Yours,
Laurenz Albe
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