Package org.apache.hadoop.hdfs.tools

Examples of org.apache.hadoop.hdfs.tools.JMXGet

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        null, null);
    cluster.waitActive();

    writeFile(cluster.getFileSystem(), new Path("/test1"), 2);

    JMXGet jmx = new JMXGet();
    jmx.init();


    //get some data from different sources
    int blocks_corrupted = NameNode.getNameNodeMetrics().
    numBlocksCorrupted.get();
    assertEquals(Integer.parseInt(
        jmx.getValue("NumLiveDataNodes")), 2);
    assertEquals(Integer.parseInt(
        jmx.getValue("BlocksCorrupted")), blocks_corrupted);
    assertEquals(Integer.parseInt(
        jmx.getValue("NumOpenConnections")), 0);

    cluster.shutdown();
  }
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        null, null);
    cluster.waitActive();

    writeFile(cluster.getFileSystem(), new Path("/test"), 2);

    JMXGet jmx = new JMXGet();
    jmx.setService("DataNode");
    jmx.init();
    assertEquals(Integer.parseInt(jmx.getValue("bytes_written")), 0);

    cluster.shutdown();
  }
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    cluster = new MiniDFSCluster.Builder(config).numDataNodes(numDatanodes).build();
    cluster.waitActive();

    writeFile(cluster.getFileSystem(), new Path("/test1"), 2);

    JMXGet jmx = new JMXGet();
    //jmx.setService("*"); // list all hadoop services
    //jmx.init();
    //jmx = new JMXGet();
    jmx.init(); // default lists namenode mbeans only

    //get some data from different source
    assertEquals(numDatanodes, Integer.parseInt(
        jmx.getValue("NumLiveDataNodes")));
    assertGauge("CorruptBlocks", Long.parseLong(jmx.getValue("CorruptBlocks")),
                getMetrics("FSNamesystem"));
    assertEquals(numDatanodes, Integer.parseInt(
        jmx.getValue("NumOpenConnections")));

    cluster.shutdown();
  }
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    cluster = new MiniDFSCluster.Builder(config).numDataNodes(numDatanodes).build();
    cluster.waitActive();

    writeFile(cluster.getFileSystem(), new Path("/test"), 2);

    JMXGet jmx = new JMXGet();
    //jmx.setService("*"); // list all hadoop services
    //jmx.init();
    //jmx = new JMXGet();
    jmx.setService("DataNode");
    jmx.init();
    assertEquals(fileSize, Integer.parseInt(jmx.getValue("BytesWritten")));

    cluster.shutdown();
  }
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        null, null);
    cluster.waitActive();

    writeFile(cluster.getFileSystem(), new Path("/test1"), 2);

    JMXGet jmx = new JMXGet();
    jmx.init();


    //get some data from different sources
    int blocks_corrupted = NameNode.getNameNodeMetrics().
    numBlocksCorrupted.get();
    assertEquals(Integer.parseInt(
        jmx.getValue("NumLiveDataNodes")), 2);
    assertEquals(Integer.parseInt(
        jmx.getValue("BlocksCorrupted")), blocks_corrupted);
    assertEquals(Long.parseLong(
        jmx.getValue("NumOpenConnectionsAvgTime")), 0);

    cluster.shutdown();
  }
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        null, null);
    cluster.waitActive();

    writeFile(cluster.getFileSystem(), new Path("/test"), 2);

    JMXGet jmx = new JMXGet();
    jmx.setService("DataNode");
    jmx.init();
    assertEquals(Integer.parseInt(jmx.getValue("bytes_written")), 0);

    cluster.shutdown();
  }
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Related Classes of org.apache.hadoop.hdfs.tools.JMXGet

  • org.apache.commons.cli.CommandLine
  • org.apache.commons.cli.CommandLineParser
  • org.apache.commons.cli.GnuParser
  • org.apache.commons.cli.HelpFormatter
  • org.apache.commons.cli.Option
  • org.apache.commons.cli.Options
  • org.apache.hadoop.tools.TestJMXGet
  • javax.management.remote.JMXConnector
  • javax.management.MBeanInfo
  • javax.management.remote.JMXServiceURL
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