Configurataion Printer
import java.util.Map.Entry; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.util.ToolRunner; import org.apache.hadoop.util.Tool; import org.apache.hadoop.conf.Configured; public class ConfigurationPrinter extends Configured implements Tool { @Override public int run(String[] args) throws Exception { Configuration.addDefaultResource(args[0]); Configuration.addDefaultResource(args[1]); Configuration conf = getConf(); for(Entry<String, String> entry : conf) { System.out.printf("%s=%s\n", entry.getKey(), entry.getValue()); } return 0; } public static void main(String[] args) throws Exception { ToolRunner.run(new ConfigurationPrinter(), args); } }