Example usage for org.apache.hadoop.hdfs.tools DFSAdmin DFSAdmin

Introduction

In this page you can find the example usage for org.apache.hadoop.hdfs.tools DFSAdmin DFSAdmin.

Prototype

public DFSAdmin(Configuration conf) 

Source Link

Document

Construct a DFSAdmin object.

Usage

From source file:com.mellanox.r4h.MiniDFSCluster.java

License:Apache License

/**
 * Finalize the namenode. Block pools corresponding to the namenode are
 * finalized on the datanode.//from w ww  .  j a v a2 s . c om
 */
private void finalizeNamenode(NameNode nn, Configuration conf) throws Exception {
    if (nn == null) {
        throw new IllegalStateException("Attempting to finalize " + "Namenode but it is not running");
    }
    ToolRunner.run(new DFSAdmin(conf), new String[] { "-finalizeUpgrade" });
}

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