Examples of MetricsException


Examples of org.apache.hadoop.metrics2.MetricsException

    if (m != null) {
      if (m instanceof MutableStat) {
        ((MutableStat) m).add(value);
      }
      else {
        throw new MetricsException("Unsupported add(value) for metric "+ name);
      }
    }
    else {
      metricsMap.put(name, newRate(name)); // default is a rate metric
      add(name, value);
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Examples of org.apache.hadoop.metrics2.MetricsException

    MetricsTag tag = Interns.tag(info, value);

    if (!override) {
      MetricsTag existing = tagsMap.putIfAbsent(info.name(), tag);
      if (existing != null) {
        throw new MetricsException("Tag "+ info.name() +" already exists!");
      }
      return this;
    }

    tagsMap.put(info.name(), tag);
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Examples of org.apache.hadoop.metrics2.MetricsException

        return newGauge;
      }
    }

    if (!(metric instanceof MutableGaugeLong)) {
      throw new MetricsException("Metric already exists in registry for metric name: " + gaugeName +
              " and not of type MetricMutableGaugeLong");
    }

    return (MutableGaugeLong) metric;
  }
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Examples of org.apache.hadoop.metrics2.MetricsException

      }
    }


    if (!(counter instanceof MutableCounterLong)) {
      throw new MetricsException("Metric already exists in registry for metric name: " +
              counterName + " and not of type MetricMutableCounterLong");
    }

    return (MutableCounterLong) counter;
  }
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Examples of org.apache.hadoop.metrics2.MetricsException

      }
    }


    if (!(histo instanceof MutableHistogram)) {
      throw new MetricsException("Metric already exists in registry for metric name: " +
          histoName + " and not of type MutableHistogram");
    }

    return (MutableHistogram) histo;
  }
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Examples of org.apache.hadoop.metrics2.MetricsException

      }
    }


    if (!(histo instanceof MetricMutableQuantiles)) {
      throw new MetricsException("Metric already exists in registry for metric name: " +
          histoName + " and not of type MutableHistogram");
    }

    return (MetricMutableQuantiles) histo;
  }
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Examples of org.apache.hadoop.metrics2.MetricsException

  @SuppressWarnings("unchecked")
  private<T> T returnExistingWithCast(MutableMetric metric,
                                      Class<T> metricClass, String name) {
    if (!metricClass.isAssignableFrom(metric.getClass())) {
      throw new MetricsException("Metric already exists in registry for metric name: " +
              name + " and not of type " + metricClass +
              " but instead of type " + metric.getClass());
    }

    return (T) metric;
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Examples of org.apache.hadoop.metrics2.MetricsException

  @Override
  public synchronized void start() {
    checkNotNull(prefix, "prefix");
    if (monitoring) {
      LOG.warn(prefix +" metrics system already started!",
               new MetricsException("Illegal start"));
      return;
    }
    for (Callback cb : callbacks) cb.preStart();
    configure(prefix);
    startTimer();
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Examples of org.apache.hadoop.metrics2.MetricsException

  @Override
  public synchronized void stop() {
    if (!monitoring && !DefaultMetricsSystem.inMiniClusterMode()) {
      LOG.warn(prefix +" metrics system not yet started!",
               new MetricsException("Illegal stop"));
      return;
    }
    if (!monitoring) {
      // in mini cluster mode
      LOG.info(prefix +" metrics system stopped (again)");
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Examples of org.apache.hadoop.metrics2.MetricsException

  @Override
  public synchronized void start() {
    checkNotNull(prefix, "prefix");
    if (monitoring) {
      LOG.warn(prefix +" metrics system already started!",
               new MetricsException("Illegal start"));
      return;
    }
    for (Callback cb : callbacks) cb.preStart();
    configure(prefix);
    startTimer();
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