public void addSampling(String name, Sampling sampling, boolean convert) {
final Snapshot snapshot = sampling.getSnapshot();
maybeAdd(MEDIAN, name, convertDuration(snapshot.getMedian(), convert));
maybeAdd(PCT_75, name, convertDuration(snapshot.get75thPercentile(), convert));
maybeAdd(PCT_95, name, convertDuration(snapshot.get95thPercentile(), convert));
maybeAdd(PCT_98, name, convertDuration(snapshot.get98thPercentile(), convert));
maybeAdd(PCT_99, name, convertDuration(snapshot.get99thPercentile(), convert));
maybeAdd(PCT_999, name, convertDuration(snapshot.get999thPercentile(), convert));
if (!omitComplexGauges) {
final double sum = snapshot.size() * snapshot.getMean();
final long count = (long) snapshot.size();
if (count > 0) {
SourceInformation info = SourceInformation.from(sourceRegex, name);
MultiSampleGaugeMeasurement measurement;
try {
measurement =
MultiSampleGaugeMeasurement.builder(addPrefix(info.name))
.setSource(info.source)
.setCount(count)
.setSum(convertDuration(sum, convert))
.setMax(convertDuration(snapshot.getMax(), convert))
.setMin(convertDuration(snapshot.getMin(), convert))
.build();
} catch (IllegalArgumentException e) {
log.warn("Could not create gauge", e);
return;
}
addMeasurement(measurement);
}
}
}
private void collectHistogramReports(
List<DBObject> docs, SortedMap<String, Histogram> histograms, Date timestamp) {
if (histograms.isEmpty()) return;
for (Map.Entry<String, Histogram> entry : histograms.entrySet()) {
final BasicDBObject report = getBasicDBObject(timestamp, entry.getKey(), "histogram");
final Histogram histogram = entry.getValue();
final Snapshot s = histogram.getSnapshot();
report.put("count", s.size());
report.put("75th_percentile", s.get75thPercentile());
report.put("95th_percentile", s.get95thPercentile());
report.put("98th_percentile", s.get98thPercentile());
report.put("99th_percentile", s.get99thPercentile());
report.put("999th_percentile", s.get999thPercentile());
report.put("max", s.getMax());
report.put("min", s.getMin());
report.put("mean", s.getMean());
report.put("median", s.getMedian());
report.put("std_dev", s.getStdDev());
docs.add(report);
}
}
@Test
public void hasASize() throws Exception {
assertThat(snapshot.size()).isEqualTo(5);
}