Re: How to manage WAL

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От Albert Shih
Тема Re: How to manage WAL
Дата
Msg-id 20100211233225.GA55871@obspm.fr
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Ответ на Re: How to manage WAL  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
Ответы Re: How to manage WAL
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 Le 11/02/2010 à 17:00:33-0600, Kevin Grittner a écrit
> Albert Shih <Albert.Shih@obspm.fr> wrote:
>
> > I would like to known what's best way to manage the WAL.
>
> You should design a policy which meets your particular needs.  We
> keep two PITR base backups and all the WAL files from before the
> start of the first (based on the information in the backup file)
> through current.  We also save monthly archival PITR base backups
> with just the WAL files needed to restore them (again, based on the
> backup files).  Your needs may be different.

Hum...I'm not sure I really understand what you doing.

Maybe I'm doing everything wrong but this is what I did :

    t=0      SELECT pg_start_backup('label');
        rsync /pgsql backup_server:/
        SELECT pg_stop_backup();

    t> 1     cron with rsync /WAL backup_server:

but after some time the /WAL become big. So is it a solution to
stop the database, delete everything in /WAL and begin a new cycle (t=0 select etc...) ?

Regards.

JAS


--
Albert SHIH
SIO batiment 15
Observatoire de Paris Meudon
5 Place Jules Janssen
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Heure local/Local time:
Ven 12 fév 2010 00:28:29 CET

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