I am struggling with a issue in hadoop streaming in the "-file" option.
First I tried the very basic example in streaming:
hadoop@ubuntu:/usr/local/hadoop$ bin/hadoop jar
contrib/streaming/hadoop-streaming-0.20.203.0.jar -mapper
org.apache.hadoop.mapred.lib.IdentityMapper \ -reducer /bin/wc -in
>From a practical standpoint if you just leave off the -mapper you will get an
>IdentityMapper being run in streaming. I don't believe that -mapper will
>understand something.class as a class file that should be loaded and used as
>the mapper. I think you need to specify the class, including t