Jörn Franke <jornfra...@gmail.com> writes:
> Maybe contact Oracle support?
Something like that would be the last option I guess, university money
is usually hard to come by for such things.
> Do you have maybe accidentally configured some firewall rules? Routing
> issues? Maybe only one of the nodes...
All systems are in the same /16, the nodes don't even have a firewall
and the two masters allow everything from the nodes and masters via the
infiniband devices.
And as I said, mapred jobs work fine and I haven't seen one network
problem so far except for these messages.
Best,
-jhz
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