Database Upgrades

[Mike McGrath]

On Thu, 17 Jul 2008, Mike McGrath wrote:

> So next week will be an interesting week regarding our databases.  It just
> so happened this way but db1 and db3 will be ready at about the same time.
> The new db1 will replace the old db1 exactly.  We'd already migrated to it
> a couple of weeks ago but had to revert after some memory issues came up.
> I believe that has been resolved.
>
> db3 is a little different.  db2 will remain as the primary database for
> all databases except for koji.  Koji will get moved to db3 which will also
> have Postgresql 8.3 on it.  I'd like to leave db2 at 8.1 for the immediate
> future, after we've determined db3 is a success we'll schedule a time to
> update db2 to 8.3 as well.
>
> Initial, very basic tests (db import) showed that with koji at least,
> postgresql 8.3 was significantly faster.  8.5 hours instead of 14.4 hours
> to import the koji database.
>

>From this point on please don't make any changes to db1, db2, db3, or the
new db1 without coordinating with me first.  This db freeze will be over
after the upgrades.

	-Mike