| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
| Cc: | Geoffrey <lists(at)serioustechnology(dot)com>, Alan Hodgson <ahodgson(at)simkin(dot)ca>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: In the belly of the beast (MySQLCon) |
| Date: | 2008-04-18 19:04:51 |
| Message-ID: | 20080418120451.532ac19d@commandprompt.com |
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| Lists: | pgsql-advocacy pgsql-general |
On Fri, 18 Apr 2008 14:59:34 -0400
Alvaro Herrera <alvherre(at)commandprompt(dot)com> wrote:
> I find it pretty unlikely that Slony would be unable to help you
> upgrade here. Obviously you can upgrade one database at a time.
>
> Also, mostly it's not the database size what's a concern, but rather
> the size of the largest table.
As I recall (I could be wrong) Slony syncs the whole set as a single
transaction. So if he has his entire database as a set he may
have a problem regardless of the largest or smallest table. I would also
agree that 30 million rows is likely not a problem but he should still
check his velocity.
Sincerely,
Joshua D. Drake
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