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From "Edward J. Yoon" <>
Subject Performance on large cluster.
Date Tue, 25 Oct 2011 12:42:10 GMT

I heard that the task scheduling will be most important factor for
high performance on large cluster since the barrier waits for the
slowest task. What do you think about this?

P.S., If user use YARN cluster, BSP task scheduling will be done by
their resource management system.

Best Regards, Edward J. Yoon

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