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From "MrAsanjar ." <afsan...@gmail.com>
Subject A Datanode shutdown question?
Date Wed, 02 Jul 2014 21:03:14 GMT
If a datanode is shut-downed by calling "hadoop-daemons.sh stop datanode",
how would the namenode gets notified that a datanode is no longer active?
does datanode send a SHUTDOWN_MSG to the namenode?  does namenode has to
wait for heartbeat timeout?

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