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MapReduce, mail # user - Host NameNode, DataNode, JobTracker or TaskTracker on the same machine


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Host NameNode, DataNode, JobTracker or TaskTracker on the same machine
Jeff LI 2013-02-14, 17:10
Hello,

Is there a good reason that we should not host NameNode, DataNode,
JobTracker or TaskTracker services on the same machine?

Not doing so is suggested here http://wiki.apache.org/hadoop/NameNode, but
I'd like to know the reasoning of this.

Thanks

Cheers

Jeff
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shashwat shriparv 2013-02-14, 17:29
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Tariq 2013-02-14, 17:41
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Jeff LI 2013-02-14, 18:05
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Mohammad Tariq 2013-02-14, 18:27