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The "FAQ" page has been changed by JeffHammerbacher. http://wiki.apache.org/hadoop/FAQ?action=diff&rev1=70&rev2=71 -------------------------------------------------- </property> }}} + <<Anchor(30)>> + ''2.1 [[#30|When writing a New InputFormat, what is the format for the array of string returned by InputSplit\#getLocations()?]]'' + + It appears that DatanodeID.getHost() is the standard place to retrieve this name, and the machineName variable, populated in DataNode.java\#startDataNode, is where the name is first set. The first method attempted is to get "slave.host.name" from the configuration; if that is not available, DNS.getDefaultHost is used instead. +
