Re: Backups - Mailing list pgsql-general

From Richard Harley
Subject Re: Backups
Date
Msg-id 4F61E26E.9040305@scholarpack.com
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In response to Re: Backups  (Bèrto ëd Sèra <berto.d.sera@gmail.com>)
Responses Re: Backups  (Bèrto ëd Sèra <berto.d.sera@gmail.com>)
List pgsql-general
Thanks for a quick reply. The server has 6 cores, 6GB ram and top gets to 2.3-2.5 load average when running the dumpall. So I assume we are nowhere near this causing performance issues for users?
Thanks
Rich




On 15/03/12 12:21, Bèrto ëd Sèra wrote:
Hi Richard,

it's no easy answer. If your server has plenty of free resources there won't be trouble, but I do have customers who cannot even imagine of launching a dump in normal traffic hours. How loaded is your box, currently?

Cheerio
Bèrto

On 15 March 2012 12:15, Richard Harley <richard@scholarpack.com> wrote:
Hello all

Very simple question -  does pg_dump/dumpall hit the server in terms of database performance? We currently do nightly backups and I want to move to hourly backups but not at the expense of hogging all the resources for 5 mins.

Pg_dumpall is currently producing a 1GB file - that's the combined size of around 30 databases and it takes around 5 mins to run.

Thanks
Rich



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