Package org.apache.hadoop.util

Examples of org.apache.hadoop.util.JvmPauseMonitor$Monitor


import static org.apache.hadoop.metrics2.impl.MsInfo.*;

public class TestJvmMetrics {

  @Test public void testPresence() {
    JvmPauseMonitor pauseMonitor = new JvmPauseMonitor(new Configuration());
    JvmMetrics jvmMetrics = new JvmMetrics("test", "test");
    jvmMetrics.setPauseMonitor(pauseMonitor);
    MetricsRecordBuilder rb = getMetrics(jvmMetrics);
    MetricsCollector mc = rb.parent();

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    if (NamenodeRole.NAMENODE == role) {
      httpServer.setNameNodeAddress(getNameNodeAddress());
      httpServer.setFSImage(getFSImage());
    }
   
    pauseMonitor = new JvmPauseMonitor(conf);
    pauseMonitor.start();
    metrics.getJvmMetrics().setPauseMonitor(pauseMonitor);
   
    startCommonServices(conf);
  }
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    // global DN settings
    registerMXBean();
    initDataXceiver(conf);
    startInfoServer(conf);
    pauseMonitor = new JvmPauseMonitor(conf);
    pauseMonitor.start();
 
    // BlockPoolTokenSecretManager is required to create ipc server.
    this.blockPoolTokenSecretManager = new BlockPoolTokenSecretManager();
    initIpcServer(conf);
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    if (NamenodeRole.NAMENODE == role) {
      httpServer.setNameNodeAddress(getNameNodeAddress());
      httpServer.setFSImage(getFSImage());
    }
   
    pauseMonitor = new JvmPauseMonitor(conf);
    pauseMonitor.start();

    startCommonServices(conf);
  }
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    if (NamenodeRole.NAMENODE == role) {
      httpServer.setNameNodeAddress(getNameNodeAddress());
      httpServer.setFSImage(getFSImage());
    }
   
    pauseMonitor = new JvmPauseMonitor(conf);
    pauseMonitor.start();

    startCommonServices(conf);
  }
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    if (NamenodeRole.NAMENODE == role) {
      httpServer.setNameNodeAddress(getNameNodeAddress());
      httpServer.setFSImage(getFSImage());
    }
   
    pauseMonitor = new JvmPauseMonitor(conf);
    pauseMonitor.start();

    startCommonServices(conf);
  }
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