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What is the maprfs block placement policy ?

Question asked by feeblefakie on Sep 9, 2012
Latest reply on Sep 10, 2012 by feeblefakie

<p>I am wondering How maprfs places blocks.</p>
In HDFS, the 1st replica is placed on the local machine, otherwise a random datanode.
The 2nd replica is placed on a datanode that is on a different rack.
The 3rd replica is placed on a datanode which is on a different node of the rack as the second replica.
What is the placement policy in maprfs ?