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The "FAQ" page has been changed by SomeOtherAccount. http://wiki.apache.org/hadoop/FAQ?action=diff&rev1=92&rev2=93 -------------------------------------------------- $ bin/hadoop-daemon.sh start datanode $ bin/hadoop-daemon.sh start tasktracker }}} + + If you are using the dfs.include/mapred.include functionality, you will need to additionally add the node to the dfs.include/mapred.include file, then issue {{{hadoop dfsadmin -refreshNodes}}} and {{{hadoop mradmin -refreshNodes}}} so that the NameNode and JobTracker know of the additional node that has been added. + == Is there an easy way to see the status and health of a cluster? == There are web-based interfaces to both the JobTracker (MapReduce master) and NameNode (HDFS master) which display status pages about the state of the entire system. By default, these are located at http://job.tracker.addr:50030/ and http://name.node.addr:50070/.
