Re: Updating a live topology

2015-03-17 Thread Tero Paananen
> Can someone explain to me how one would update a live topology? This was always problematic for our topology, but this is how we did it. I make no claims about it being optimal or even the best way to do it. It worked for us after we figured out all the kinks. For topology changes that are back

Re: Updating a live topology

2015-03-17 Thread Richards Peter
Hi, Storm topology usually gets killed after the tuple timeout (storm kill [-w timeout_in_seconds] topology_name) assuming that the timeout_in_seconds is not passed as a parameter. Once the topology kill command is fired, the spout will not invoke the nextTuple() anymore, but it will wait to recei

Updating a live topology

2015-03-16 Thread Emmanuel
Hello, Can someone explain to me how one would update a live topology?I assume one would run a new topology with the updated code, and switch off the old one, but how to make the transition in terms of the data flow? How to tell the topology to stop pulling data from the queue when the new topo