Hadoop “Unable to load native-hadoop library for your platform” warning

I assume you’re running Hadoop on 64bit CentOS. The reason you saw that warning is the native Hadoop library $HADOOP_HOME/lib/native/libhadoop.so.1.0.0 was actually compiled on 32 bit. Anyway, it’s just a warning, and won’t impact Hadoop’s functionalities. Here is the way if you do want to eliminate this warning, download the source code of Hadoop and recompile libhadoop.so.1.0.0 on 64bit … Read more