Package org.apache.hadoop.metrics2.impl

Examples of org.apache.hadoop.metrics2.impl.MetricsBuffer$Entry


        return newGauge;
      }
    }

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

    return (MetricMutableGaugeLong) metric;
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        return newCounter;
      }
    }

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

    return (MetricMutableCounterLong) counter;
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        return newHisto;
      }
    }

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

    return (MetricMutableHistogram) histo;
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        return newHisto;
      }
    }

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

    return (MetricMutableQuantiles) histo;
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  }

  private <T> T returnExistingWithCast(MetricMutable 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);
    }

    return (T) metric;
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      writer = filename == null
          ? new PrintWriter(System.out)
          : new PrintWriter(new FileWriter(new File(filename), true));
    }
    catch (Exception e) {
      throw new MetricsException("Error creating "+ filename, e);
    }
  }
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        try {
            // Open an connection to Graphite server.
            socket = new Socket(serverHost, serverPort);
            writer = new OutputStreamWriter(socket.getOutputStream());
        } catch (Exception e) {
            throw new MetricsException("Error creating connection, "
                    + serverHost + ":" + serverPort, e);
        }
    }
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        try {
            if(writer != null){
              writer.write(lines.toString());
            } else {
              throw new MetricsException("Writer in GraphiteSink is null!");
            }
        } catch (Exception e) {
            throw new MetricsException("Error sending metrics", e);
        }
    }
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  @Override public synchronized <T>
  T register(String name, String desc, T source) {
    MetricsSourceBuilder sb = MetricsAnnotations.newSourceBuilder(source);
    final MetricsSource s = sb.build();
    MetricsInfo si = sb.info();
    String name2 = name == null ? si.name() : name;
    final String finalDesc = desc == null ? si.description() : desc;
    final String finalName = // be friendly to non-metrics tests
        DefaultMetricsSystem.sourceName(name2, !monitoring);
    allSources.put(finalName, s);
    LOG.debug(finalName +", "+ finalDesc);
    if (monitoring) {
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    ms.shutdown();
  }

  private void checkMetricsRecords(List<MetricsRecord> recs) {
    LOG.debug(recs);
    MetricsRecord r = recs.get(0);
    assertEquals("name", "s1rec", r.name());
    assertEquals("tags", new MetricsTag[] {
      tag(MsInfo.Context, "test"),
      tag(MsInfo.Hostname, hostname)}, r.tags());
    assertEquals("metrics", MetricsLists.builder("")
      .addCounter(info("C1", "C1 desc"), 1L)
      .addGauge(info("G1", "G1 desc"), 2L)
      .addCounter(info("S1NumOps", "Number of ops for s1"), 1L)
      .addGauge(info("S1AvgTime", "Average time for s1"), 0.0)
      .metrics(), r.metrics());

    r = recs.get(1);
    assertTrue("NumActiveSinks should be 3", Iterables.contains(r.metrics(),
               new MetricGaugeInt(MsInfo.NumActiveSinks, 3)));
  }
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