I haven't used this aspect of OODT. If (as Chris suggests) you find your solution somewhere within the RM, great. If not, search for Simple Queue Service and pick up some framework for this. There are plenty around, however I would be surprised if OODT RM didn't have this already. hth Lewis
On Mon, Apr 1, 2013 at 10:15 PM, Mattmann, Chris A (388J) < [email protected]> wrote: > Hey Mike, > > I'll bite, can't you use the Resource Manager and its queues/nodes to do > this? > > Cheers, > Chris > > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > Chris Mattmann, Ph.D. > Senior Computer Scientist > NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA > Office: 171-266B, Mailstop: 171-246 > Email: [email protected] > WWW: http://sunset.usc.edu/~mattmann/ > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > Adjunct Assistant Professor, Computer Science Department > University of Southern California, Los Angeles, CA 90089 USA > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > > > > > > -----Original Message----- > From: <Cayanan>, "Michael D (388J)" <[email protected]> > Reply-To: "[email protected]" <[email protected]> > Date: Monday, April 1, 2013 8:11 PM > To: "[email protected]" <[email protected]> > Subject: Workflow Questions > > >Hi all, > > > > > >I'm trying to see if anyone knows of a cool, easy to use "Resource > >Manager" that can control the amount of Workflows running concurrently on > >a node. Basically, my set up is like this: > > > > > >- I have a Workflow Manager Server configured to run at most 10 Workflow > >Events concurrently. > >- I have a bunch of files sitting on a RabbitMQ queue. > >- I have a listener that is continually monitoring this particular queue. > >As soon as it sees a file in this queue, it will trigger a Workflow event. > > > > > >Under this scenario, normally if I have 30 files in the RabbitMQ, my > >listener will trigger 30 Workflow events. However, the Workflow Server > >would put 20 of these events in its repository queue while the other 10 > >are running. > > > > > >What I want some "Resource Manager" component to do is just run the 10 > >Workflow events only and have the other 20 sitting in the RabbitMQ. As > >soon as 1 event has finished, then trigger another workflow event to keep > >the number of concurrent workflows running > > at 10. > >Eventually, we will want this "Resource Manager" component to be able to > >point to another node, node 2, where it can decide to trigger another set > >of 10 Workflow events while node 1 is still running it's 10 Workflow > >events. > > > > > >Hope this makes sense. Any helpful tips would be much appreciated. > > > > > >Thanks, > >Mike > > -- *Lewis*
