| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | Marco Nenciarini <marco(dot)nenciarini(at)2ndquadrant(dot)it> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [RFC] Incremental backup v2: add backup profile to base backup |
| Date: | 2014-10-03 21:12:25 |
| Message-ID: | 20141003211225.GU7158@awork2.anarazel.de |
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| Thread: | |
| Lists: | pgsql-hackers |
On 2014-10-03 17:31:45 +0200, Marco Nenciarini wrote:
> I've updated the wiki page
> https://wiki.postgresql.org/wiki/Incremental_backup following the result
> of discussion on hackers.
>
> Compared to first version, we switched from a timestamp+checksum based
> approach to one based on LSN.
>
> This patch adds an option to pg_basebackup and to replication protocol
> BASE_BACKUP command to generate a backup_profile file. It is almost
> useless by itself, but it is the foundation on which we will build the
> file based incremental backup (and hopefully a block based incremental
> backup after it).
>
> Any comment will be appreciated. In particular I'd appreciate comments
> on correctness of relnode files detection and LSN extraction code.
Can you describe the algorithm you implemented in words?
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
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