Example usage for org.apache.hadoop.hdfs.server.datanode DataNode instantiateDataNode

Introduction

In this page you can find the example usage for org.apache.hadoop.hdfs.server.datanode DataNode instantiateDataNode.

Prototype

public static DataNode instantiateDataNode(String args[], Configuration conf) throws IOException 

Source Link

Document

Instantiate a single datanode object.

Usage

From source file:hudson.gridmaven.gridlayer.DataNodeStartTask.java

License:Open Source License

public Void call() throws IOException {
    System.out.println("Starting data node");
    //System.setProperty("java.net.preferIPv4Stack" , "true");
    Configuration conf = new Configuration();
    conf.set("fs.default.name", hdfsUrl);
    conf.set("dfs.data.dir", new File(new File(rootPath), "hadoop/datanode").getAbsolutePath());
    conf.set("dfs.datanode.address", "0.0.0.0:0");
    conf.set("dfs.datanode.http.address", "0.0.0.0:0");
    conf.set("dfs.datanode.ipc.address", "0.0.0.0:0");
    conf.set("slave.host.name", slaveHostName);
    conf.set("dfs.safemode.extension", "1");
    conf.set("dfs.namenode.logging.level", "ALL");
    conf.set("dfs.block.size", "1048576");
    // TODO: make this configurable
    // make room for builds
    conf.setLong("dfs.datanode.du.reserved", 1L * 1024 * 1024 * 1024);

    DataNode dn = DataNode.instantiateDataNode(new String[0], conf);
    DataNode.runDatanodeDaemon(dn);//from w  w  w.  ja v  a2  s  .  c om

    return null;
}

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From source file:hudson.plugins.hadoop.DataNodeStartTask.java

License:Open Source License

public Void call() throws IOException {
    System.out.println("Starting data node");

    Configuration conf = new Configuration();
    conf.set("fs.default.name", hdfsUrl);
    conf.set("dfs.data.dir", new File(new File(rootPath), "hadoop/datanode").getAbsolutePath());
    conf.set("dfs.datanode.address", "0.0.0.0:0");
    conf.set("dfs.datanode.http.address", "0.0.0.0:0");
    conf.set("dfs.datanode.ipc.address", "0.0.0.0:0");
    conf.set("slave.host.name", slaveHostName);

    // TODO: make this configurable
    // make room for builds
    conf.setLong("dfs.datanode.du.reserved", 10L * 1024 * 1024 * 1024);

    DataNode dn = DataNode.instantiateDataNode(new String[0], conf);
    DataNode.runDatanodeDaemon(dn);//  w w  w  . ja  v a2  s.c om

    return null;
}

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