| From: | Magnus Hagander <magnus(at)hagander(dot)net> |
|---|---|
| To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Extending BASE_BACKUP in replication protocol: incremental backup and backup format |
| Date: | 2014-01-14 13:40:46 |
| Message-ID: | CABUevEyekSVmGpXeQv6L5YnkuSBDACtc0+keEW63yGX96i+cng@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Jan 14, 2014 at 2:18 PM, Andres Freund <andres(at)2ndquadrant(dot)com>wrote:
> On 2014-01-14 14:12:46 +0100, Magnus Hagander wrote:
> > Either way - if we can do this in a safe way, it sounds like a good idea.
> > It would be sort of like rsync, except relying on the fact that we can
> look
> > at the LSN and don't have to compare the actual files, right?
>
> Which is an advantage, yes. On the other hand, it doesn't fix problems
> with a subtly broken replica, e.g. after a bug in replay, or disk
> corruption.
>
>
Right. But neither does rsync, right?
--
Magnus Hagander
Me: http://www.hagander.net/
Work: http://www.redpill-linpro.com/
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