FAQ
Hi all,

We would like to decommission nodes to run jobs with less number of map and reduce and then scale it up. In this process we want to decommission the nodes and then bring back.

Does decommissioning work? We have defined dfs.hosts.exclude with a path to the file that has list of nodes to exclude: in core-site.xml Also did a "refresh" after making these changes.

<property>
<name>dfs.hosts.exclude</name>
<value>/home/testuser/decommission_nodes.txt</value>
<description>Excluding the nodes in the file</description>
</property>
<property>


Please advice

Thank you,
Amit

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postedJun 22, '11 at 1:50p
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Kumar, Amit H.: 1 post

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