Hi-

If my network topology changes while a Hadoop job is running, is there any
way to re-trigger the topology script for each node?  

Looking in the code, it appears JobTracker#resolveAndAddToTopology is only
called in JobTracker#addNewTracker, so I don't see how this would be
accomplished.  However, if there are any tricks available, such as forcing a
slave to miss a heartbeat, I could use that.

Thanks!

-Ben

 

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