[rabbitmq-discuss] regarding supervisor2

[Arun Suresh]

Thanks Matthew..

In the meantime.. i guess ill make local modifications and plop it in my
codebase..

-Arun

On Tue, Jan 25, 2011 at 3:00 AM, Matthew Sackman <matthew at rabbitmq.com>wrote:

> Howdy,
>
> On Mon, Jan 24, 2011 at 04:56:55PM -0800, Arun Suresh wrote:
> > Ive been playing around with supervisor2 which you guys ship with
> rabbitmq
> > server. The delayed restart is seriously a life saver.
>
> Glad you like it.
>
> > The only minor issue ive had with it is:
> > Once the process has exceeded MaxT and MaxR, you guys spawn a timer
> thread
> > to restart the process after the specified delay.. During this period,
> the
> > process is actually dead. but supervisor:which_children still returns a
> > stale Pid. Any reason why inside the do_restart method, once the restart1
> > method returns a {terminate, NState} , state_del_child() is NOT called ?
>
> From memory, no reason at all, and I think it would be an improvement
> for it to do the del_child sooner rather than later and thus not return
> the stale pid. Slight complexities with simple_* supervisors possibly -
> can't remember - it's been a while since I looked at that code. I'll
> take a look and most likely file a bug.
>
> Best wishes,
>
> Matthew
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