Example usage for org.apache.hadoop.hdfs DistributedFileSystem getDataNodeStats

Introduction

In this page you can find the example usage for org.apache.hadoop.hdfs DistributedFileSystem getDataNodeStats.

Prototype

public DatanodeInfo[] getDataNodeStats() throws IOException 

Source Link

Usage

From source file:com.bigdog.hadoop.hdfs.HDFS_Test.java

public static void getHDFSNode() throws IOException {

    Configuration conf = new Configuration();

    FileSystem fs = FileSystem.get(conf);

    DistributedFileSystem dfs = (DistributedFileSystem) fs;

    DatanodeInfo[] dataNodeStats = dfs.getDataNodeStats();

    for (int i = 0; i < dataNodeStats.length; i++) {

        System.out.println("DataNode_" + i + "_Node:" + dataNodeStats[i].getHostName());

    }//  w  w w . j a  va  2 s  .  com

}

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