Example usage for org.apache.hadoop.hdfs DFSUtil parseHelpArgument

Introduction

In this page you can find the example usage for org.apache.hadoop.hdfs DFSUtil parseHelpArgument.

Prototype

public static boolean parseHelpArgument(String[] args, String helpDescription, PrintStream out,
        boolean printGenericCommandUsage) 

Source Link

Document

Parse the arguments for commands

Usage

From source file:mzb.Balancer.java

License:Apache License

/**
 * Run a balancer//from w w  w.j a v a  2  s  . co m
 * @param args Command line arguments
 */
public static void main(String[] args) {
    if (DFSUtil.parseHelpArgument(args, USAGE, System.out, true)) {
        System.exit(0);
    }

    try {
        System.exit(ToolRunner.run(new HdfsConfiguration(), new Cli(), args));
    } catch (Throwable e) {
        LOG.error("Exiting balancer due an exception", e);
        System.exit(-1);
    }
}

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