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From Razen Al Harbi <razen.alha...@gmail.com>
Subject ALL HDFS Blocks on the Same Machine if Replication factor = 1
Date Mon, 10 Jun 2013 13:36:37 GMT

I have deployed Hadoop on a cluster of 20 machines. I set the replication
factor to one. When I put a file (larger than HDFS block size) into HDFS,
all the blocks are stored on the machine where the Hadoop put command is

For higher replication factor, I see the same behavior but the replicated
blocks are stored randomly on all the other machines.

Is this a normal behavior, if not what would be the cause?



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