Simon Riggs wrote:
> Perhaps we should focus on the issues that might result, so that we
> address those before we spend time on the details of the user interface.
> Can we deadlock or hang from running multiple autovacuums?
If you were to run multiple autovacuum processes the way they are today,
maybe. But that's not my intention -- the launcher would be the only
one to read the catalogs; the workers would be started only to do a
single VACUUM job. This reduces the risk of this kind of problems.
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.