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The "FAQ" page has been changed by QwertyManiac. The comment on this change is: Added an FAQ entry regarding Hadoop's use of SSH -- Since it was being bought up often in the ML.. http://wiki.apache.org/hadoop/FAQ?action=diff&rev1=85&rev2=86 -------------------------------------------------- See ConnectionRefused . + == Does Hadoop require SSH? == + + Hadoop provided scripts (e.g., start-mapred.sh and start-dfs.sh) use ssh in order to start and stop the various daemons and some other utilities. The Hadoop framework in itself does not '''require''' ssh. Daemons (e.g. TaskTracker and DataNode) can also be started manually on each node without the script's help. + = MapReduce = == Do I have to write my job in Java? ==
