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From Francis.Hu <francis...@reachjunction.com>
Subject interval from Live to Dead about DataNode
Date Thu, 04 Jul 2013 08:05:19 GMT
Hi,All

 

Does anyone know when the status of datanode switch from live to dead at the
internal of namenode ?

 

the scenario:

When i stopped a datanode with command, the status of that datanode in the
web UI of namenode displays 'live' and 'In Service' for almost 5 minutes.  

I know the default value of datanode dfs.hreadbeat.interval is set as 3
seconds and dfs.namenode.decommission.interval is set 30 seconds.

 

Thanks,

Francis.Hu


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