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Hadoop >> mail # user >> Adding nodes


Is this the right procedure to add nodes? I took some from hadoop wiki FAQ:

http://wiki.apache.org/hadoop/FAQ

1. Update conf/slave
2. on the slave nodes start datanode and tasktracker
3. hadoop balancer

Do I also need to run dfsadmin -refreshnodes?
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB