Examples with Snapshot com.codahale.metrics.Snapshot used on opensource projects

Example 36 with Snapshot

use of com.codahale.metrics.Snapshot in project java by wavefrontHQ.

the class WavefrontReporter method reportTimer.

private void reportTimer(String name, Timer timer) throws IOException {
    final Snapshot snapshot = timer.getSnapshot();
    final long time = clock.getTime() / 1000;
    wavefront.send(prefixAndSanitize(name, "max"), convertDuration(snapshot.getMax()), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "mean"), convertDuration(snapshot.getMean()), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "min"), convertDuration(snapshot.getMin()), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "stddev"), convertDuration(snapshot.getStdDev()), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "p50"), convertDuration(snapshot.getMedian()), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "p75"), convertDuration(snapshot.get75thPercentile()), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "p95"), convertDuration(snapshot.get95thPercentile()), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "p98"), convertDuration(snapshot.get98thPercentile()), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "p99"), convertDuration(snapshot.get99thPercentile()), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "p999"), convertDuration(snapshot.get999thPercentile()), time, source, pointTags);
    reportMetered(name, timer);
}

Example 37 with Snapshot

use of com.codahale.metrics.Snapshot in project java by wavefrontHQ.

the class WavefrontReporter method reportHistogram.

private void reportHistogram(String name, Histogram histogram) throws IOException {
    final Snapshot snapshot = histogram.getSnapshot();
    final long time = clock.getTime() / 1000;
    wavefront.send(prefixAndSanitize(name, "count"), histogram.getCount(), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "max"), snapshot.getMax(), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "mean"), snapshot.getMean(), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "min"), snapshot.getMin(), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "stddev"), snapshot.getStdDev(), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "p50"), snapshot.getMedian(), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "p75"), snapshot.get75thPercentile(), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "p95"), snapshot.get95thPercentile(), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "p98"), snapshot.get98thPercentile(), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "p99"), snapshot.get99thPercentile(), time, source, pointTags);
    wavefront.send(prefixAndSanitize(name, "p999"), snapshot.get999thPercentile(), time, source, pointTags);
}

Example 38 with Snapshot

use of com.codahale.metrics.Snapshot in project helix by apache.

the class HistogramDynamicMetric method getAttributeValue.

@Override
public Number getAttributeValue(String attributeName) {
    if (!_attributeNameSet.contains(attributeName)) {
        return null;
    }
    String[] attributeNameParts = attributeName.split("\\.");
    if (attributeNameParts.length == 2) {
        try {
            SnapshotAttribute snapshotAttribute = SnapshotAttribute.valueOf(attributeNameParts[1]);
            Method getMethod = Snapshot.class.getMethod(snapshotAttribute._getMethodName);
            Snapshot snapshot = getMetricObject().getSnapshot();
            if (snapshot != null) {
                return (Number) getMethod.invoke(snapshot);
            }
        } catch (Exception ex) {
            _logger.error(String.format("Failed to get Snapshot value for attribute: %s", attributeName), ex);
        }
    } else {
        _logger.error(String.format("Invalid attribute name format: %s", attributeName));
    }
    return null;
}

Example 39 with Snapshot

use of com.codahale.metrics.Snapshot in project cassandra by apache.

the class BatchMetricsTableTest method testSelectAll.

@Test
public void testSelectAll() throws Throwable {
    BatchMetrics metrics = BatchStatement.metrics;
    for (int i = 0; i < 10; i++) {
        metrics.partitionsPerLoggedBatch.update(i);
        metrics.partitionsPerUnloggedBatch.update(i + 10);
        metrics.partitionsPerCounterBatch.update(i * 10);
    }
    ResultSet result = executeNet(format("SELECT * FROM %s.batch_metrics", KS_NAME));
    assertEquals(5, result.getColumnDefinitions().size());
    AtomicInteger rowCount = new AtomicInteger(0);
    result.forEach(r -> {
        Snapshot snapshot = getExpectedHistogram(metrics, r.getString("name")).getSnapshot();
        assertEquals(snapshot.getMedian(), r.getDouble("p50th"), 0.0);
        assertEquals(snapshot.get99thPercentile(), r.getDouble("p99th"), 0.0);
        rowCount.addAndGet(1);
    });
    assertEquals(3, rowCount.get());
}

Example 40 with Snapshot

use of com.codahale.metrics.Snapshot in project cassandra by apache.

the class DecayingEstimatedHistogramReservoirTest method testMinMax.

@Test
public void testMinMax() {
    DecayingEstimatedHistogramReservoir histogram = new DecayingEstimatedHistogramReservoir();
    histogram.update(16);
    Snapshot snapshot = histogram.getSnapshot();
    assertEquals(15, snapshot.getMin());
    assertEquals(17, snapshot.getMax());
}