Re: Enabling Checksums

Jeff Davis <pgsql@j-davis.com>

From: Jeff Davis <pgsql@j-davis.com>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: pgsql-hackers@postgresql.org, Greg Smith <gsmith@gregsmith.com>
Date: 2012-11-09T18:58:57Z
Lists: pgsql-hackers
On Thu, 2012-11-08 at 23:33 -0300, Alvaro Herrera wrote:
> There's no such thing as a system-wide VACUUM.  The most you can get is
> a database-wide VACUUM, which means you'd have to store the state
> per-database somewhere (presumably the pg_database catalog), and perhaps
> pg_control could have it as a system-wide value that's computed as the
> minimum of all database states (so it stays "enabling" until all
> databases have upgraded to "on").

That's a good point. Maybe this should be done as an offline operation
using a command-line utility?

Regards,
	Jeff Davis