private void collectTimerReports(
List<DBObject> docs, SortedMap<String, Timer> timers, Date timestamp) {
if (timers.isEmpty()) return;
for (Map.Entry<String, Timer> entry : timers.entrySet()) {
final BasicDBObject report = getBasicDBObject(timestamp, entry.getKey(), "timer");
final Timer v = entry.getValue();
final Snapshot s = v.getSnapshot();
// meter part
report.put("count", v.getCount());
report.put("rate-unit", getRateUnit());
report.put("1-minute-rate", convertRate(v.getOneMinuteRate()));
report.put("5-minute-rate", convertRate(v.getFiveMinuteRate()));
report.put("15-minute-rate", convertRate(v.getFifteenMinuteRate()));
report.put("mean-rate", convertRate(v.getMeanRate()));
// histogram part
report.put("duration-unit", getDurationUnit());
report.put("75-percentile", convertDuration(s.get75thPercentile()));
report.put("95-percentile", convertDuration(s.get95thPercentile()));
report.put("98-percentile", convertDuration(s.get98thPercentile()));
report.put("99-percentile", convertDuration(s.get99thPercentile()));
report.put("999-percentile", convertDuration(s.get999thPercentile()));
report.put("max", convertDuration(s.getMax()));
report.put("min", convertDuration(s.getMin()));
report.put("mean", convertDuration(s.getMean()));
report.put("median", convertDuration(s.getMedian()));
report.put("stddev", convertDuration(s.getStdDev()));
docs.add(report);
}
}
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 reportsTimerValues() throws Exception {
final Timer timer = mock(Timer.class);
when(timer.getCount()).thenReturn(1L);
when(timer.getMax()).thenReturn(TimeUnit.MILLISECONDS.toNanos(100));
when(timer.getMean()).thenReturn((double) TimeUnit.MILLISECONDS.toNanos(200));
when(timer.getMin()).thenReturn(TimeUnit.MILLISECONDS.toNanos(300));
when(timer.getStdDev()).thenReturn((double) TimeUnit.MILLISECONDS.toNanos(400));
when(timer.getMeanRate()).thenReturn(2.0);
when(timer.getOneMinuteRate()).thenReturn(3.0);
when(timer.getFiveMinuteRate()).thenReturn(4.0);
when(timer.getFifteenMinuteRate()).thenReturn(5.0);
final Snapshot snapshot = mock(Snapshot.class);
when(snapshot.getMedian()).thenReturn((double) TimeUnit.MILLISECONDS.toNanos(500));
when(snapshot.get75thPercentile()).thenReturn((double) TimeUnit.MILLISECONDS.toNanos(600));
when(snapshot.get95thPercentile()).thenReturn((double) TimeUnit.MILLISECONDS.toNanos(700));
when(snapshot.get98thPercentile()).thenReturn((double) TimeUnit.MILLISECONDS.toNanos(800));
when(snapshot.get99thPercentile()).thenReturn((double) TimeUnit.MILLISECONDS.toNanos(900));
when(snapshot.get999thPercentile()).thenReturn((double) TimeUnit.MILLISECONDS.toNanos(1000));
when(timer.getSnapshot()).thenReturn(snapshot);
reporter.report(
this.<Gauge>map(),
this.<Counter>map(),
this.<Histogram>map(),
this.<Meter>map(),
map("test.another.timer", timer));
verify(ganglia)
.announce(
"test.another.timer.max",
"100.0",
GMetricType.DOUBLE,
"milliseconds",
GMetricSlope.BOTH,
60,
0,
"test.another");
verify(ganglia)
.announce(
"test.another.timer.mean",
"200.0",
GMetricType.DOUBLE,
"milliseconds",
GMetricSlope.BOTH,
60,
0,
"test.another");
verify(ganglia)
.announce(
"test.another.timer.min",
"300.0",
GMetricType.DOUBLE,
"milliseconds",
GMetricSlope.BOTH,
60,
0,
"test.another");
verify(ganglia)
.announce(
"test.another.timer.stddev",
"400.0",
GMetricType.DOUBLE,
"milliseconds",
GMetricSlope.BOTH,
60,
0,
"test.another");
verify(ganglia)
.announce(
"test.another.timer.p50",
"500.0",
GMetricType.DOUBLE,
"milliseconds",
GMetricSlope.BOTH,
60,
0,
"test.another");
verify(ganglia)
.announce(
"test.another.timer.p75",
"600.0",
GMetricType.DOUBLE,
"milliseconds",
GMetricSlope.BOTH,
60,
0,
"test.another");
verify(ganglia)
.announce(
"test.another.timer.p95",
"700.0",
GMetricType.DOUBLE,
"milliseconds",
GMetricSlope.BOTH,
60,
0,
"test.another");
verify(ganglia)
.announce(
"test.another.timer.p98",
"800.0",
GMetricType.DOUBLE,
"milliseconds",
GMetricSlope.BOTH,
60,
0,
"test.another");
verify(ganglia)
.announce(
"test.another.timer.p99",
"900.0",
GMetricType.DOUBLE,
"milliseconds",
GMetricSlope.BOTH,
60,
0,
"test.another");
verify(ganglia)
.announce(
"test.another.timer.p999",
"1000.0",
GMetricType.DOUBLE,
"milliseconds",
GMetricSlope.BOTH,
60,
0,
"test.another");
verify(ganglia)
.announce(
"test.another.timer.count",
"1",
GMetricType.DOUBLE,
"calls",
GMetricSlope.BOTH,
60,
0,
"test.another");
verify(ganglia)
.announce(
"test.another.timer.mean_rate",
"2.0",
GMetricType.DOUBLE,
"calls/second",
GMetricSlope.BOTH,
60,
0,
"test.another");
verify(ganglia)
.announce(
"test.another.timer.m1_rate",
"3.0",
GMetricType.DOUBLE,
"calls/second",
GMetricSlope.BOTH,
60,
0,
"test.another");
verify(ganglia)
.announce(
"test.another.timer.m5_rate",
"4.0",
GMetricType.DOUBLE,
"calls/second",
GMetricSlope.BOTH,
60,
0,
"test.another");
verify(ganglia)
.announce(
"test.another.timer.m15_rate",
"5.0",
GMetricType.DOUBLE,
"calls/second",
GMetricSlope.BOTH,
60,
0,
"test.another");
verifyNoMoreInteractions(ganglia);
}
@Test
public void reportsHistogramValues() throws Exception {
final Histogram histogram = mock(Histogram.class);
when(histogram.getCount()).thenReturn(1L);
when(histogram.getMax()).thenReturn(2L);
when(histogram.getMean()).thenReturn(3.0);
when(histogram.getMin()).thenReturn(4L);
when(histogram.getStdDev()).thenReturn(5.0);
final Snapshot snapshot = mock(Snapshot.class);
when(snapshot.getMedian()).thenReturn(6.0);
when(snapshot.get75thPercentile()).thenReturn(7.0);
when(snapshot.get95thPercentile()).thenReturn(8.0);
when(snapshot.get98thPercentile()).thenReturn(9.0);
when(snapshot.get99thPercentile()).thenReturn(10.0);
when(snapshot.get999thPercentile()).thenReturn(11.0);
when(histogram.getSnapshot()).thenReturn(snapshot);
reporter.report(
this.<Gauge>map(),
this.<Counter>map(),
map("test.histogram", histogram),
this.<Meter>map(),
this.<Timer>map());
verify(ganglia)
.announce(
"test.histogram.count", "1", GMetricType.DOUBLE, "", GMetricSlope.BOTH, 60, 0, "test");
verify(ganglia)
.announce(
"test.histogram.max", "2", GMetricType.DOUBLE, "", GMetricSlope.BOTH, 60, 0, "test");
verify(ganglia)
.announce(
"test.histogram.mean", "3.0", GMetricType.DOUBLE, "", GMetricSlope.BOTH, 60, 0, "test");
verify(ganglia)
.announce(
"test.histogram.min", "4", GMetricType.DOUBLE, "", GMetricSlope.BOTH, 60, 0, "test");
verify(ganglia)
.announce(
"test.histogram.stddev",
"5.0",
GMetricType.DOUBLE,
"",
GMetricSlope.BOTH,
60,
0,
"test");
verify(ganglia)
.announce(
"test.histogram.p50", "6.0", GMetricType.DOUBLE, "", GMetricSlope.BOTH, 60, 0, "test");
verify(ganglia)
.announce(
"test.histogram.p75", "7.0", GMetricType.DOUBLE, "", GMetricSlope.BOTH, 60, 0, "test");
verify(ganglia)
.announce(
"test.histogram.p95", "8.0", GMetricType.DOUBLE, "", GMetricSlope.BOTH, 60, 0, "test");
verify(ganglia)
.announce(
"test.histogram.p98", "9.0", GMetricType.DOUBLE, "", GMetricSlope.BOTH, 60, 0, "test");
verify(ganglia)
.announce(
"test.histogram.p99", "10.0", GMetricType.DOUBLE, "", GMetricSlope.BOTH, 60, 0, "test");
verify(ganglia)
.announce(
"test.histogram.p999",
"11.0",
GMetricType.DOUBLE,
"",
GMetricSlope.BOTH,
60,
0,
"test");
verifyNoMoreInteractions(ganglia);
}
@Test
public void hasAp75() throws Exception {
assertThat(snapshot.get75thPercentile()).isEqualTo(4.0, offset(0.1));
}