"Unable to load native-hadoop library" warning in mapreduce output when running RevoScaleR job

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When running a RevoScaleR job in Hadoop, the mapreduce console output may contain the message:WARN util.NativeCodeLoader:

Unable to load native-hadoop library for your platform... using builtin-java classes where applicable.

This warning is unrelated to RevoScaleR operation. It is usually a result of running in a 64-bit Linux environment while the

$HADOOP_HOME/lib/native/libhadoop.so

was compiled in a 32-bit environment. The warning is harmless and can be ignored.

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