Re: tie user processes to postmaster was:(Re: [HACKERS] scheduler in core)

Steve Atkins wrote:

> Would having a higher level process manager be adequate - one
> that spawns the postmaster and a list of associated processes
> (queue manager, job scheduler, random user daemons that are
> used for database application maintenance). It sounds like
> something like that would be able to start up and shut down
> an entire family of daemons, of which the postmaster is the major
> one, gracefully.

Sort of a super-pg_ctl, eh? Hmm, that sounds like it could work ...

> It could also be developed almost independently of core code,
> at most it might benefit from a way for the postmaster to tell it
> when it's started up successfully.

Right -- pg_ping pops up again ...

I think it'd also want to be signalled when postmaster undergoes a
restart cycle, so that it can handle the other daemons appropriately.

--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.