Java Code Examples for com.codahale.metrics.Histogram#getSnapshot()
The following examples show how to use
com.codahale.metrics.Histogram#getSnapshot() .
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Example 1
| Source File: MqMetricReporter.java From pmq with Apache License 2.0 | 6 votes |
|
private Set<Metric> buildHistograms(String name, Histogram histogram, long timestamp, Map<String, String> tags) {
final MetricsCollector collector = MetricsCollector.createNew(name, tags, timestamp);
final Snapshot snapshot = histogram.getSnapshot();
if (getChangeCount(name, histogram.getCount()) == 0) {
return Collections.emptySet();
}
return collector.addMetric("count", histogram.getCount())
.addMetric("max", snapshot.getMax())
.addMetric("min", snapshot.getMin())
.addMetric("mean", snapshot.getMean())
.addMetric("stddev", snapshot.getStdDev())
.addMetric("median", snapshot.getMedian())
.addMetric("p75", snapshot.get75thPercentile())
.addMetric("p95", snapshot.get95thPercentile())
.addMetric("p98", snapshot.get98thPercentile())
.addMetric("p99", snapshot.get99thPercentile())
.addMetric("p999", snapshot.get999thPercentile())
.build();
}
Example 2
| Source File: MetricReporter.java From sofa-jraft with Apache License 2.0 | 6 votes |
|
private void printHistogram(final Histogram histogram) {
printIfEnabled(MetricAttribute.COUNT,
String.format(this.locale, " count = %d", histogram.getCount()));
final Snapshot snapshot = histogram.getSnapshot();
printIfEnabled(MetricAttribute.MIN, String.format(this.locale, " min = %d", snapshot.getMin()));
printIfEnabled(MetricAttribute.MAX, String.format(this.locale, " max = %d", snapshot.getMax()));
printIfEnabled(MetricAttribute.MEAN,
String.format(this.locale, " mean = %2.2f", snapshot.getMean()));
printIfEnabled(MetricAttribute.STDDEV,
String.format(this.locale, " stddev = %2.2f", snapshot.getStdDev()));
printIfEnabled(MetricAttribute.P50,
String.format(this.locale, " median = %2.2f", snapshot.getMedian()));
printIfEnabled(MetricAttribute.P75,
String.format(this.locale, " 75%% <= %2.2f", snapshot.get75thPercentile()));
printIfEnabled(MetricAttribute.P95,
String.format(this.locale, " 95%% <= %2.2f", snapshot.get95thPercentile()));
printIfEnabled(MetricAttribute.P98,
String.format(this.locale, " 98%% <= %2.2f", snapshot.get98thPercentile()));
printIfEnabled(MetricAttribute.P99,
String.format(this.locale, " 99%% <= %2.2f", snapshot.get99thPercentile()));
printIfEnabled(MetricAttribute.P999,
String.format(this.locale, " 99.9%% <= %2.2f", snapshot.get999thPercentile()));
}
Example 3
| Source File: MqMetricReporter.java From pmq with Apache License 2.0 | 6 votes |
|
private Set<Metric> buildHistograms(String name, Histogram histogram, long timestamp, Map<String, String> tags) {
final MetricsCollector collector = MetricsCollector.createNew(name, tags, timestamp);
final Snapshot snapshot = histogram.getSnapshot();
if (getChangeCount(name, histogram.getCount()) == 0) {
return Collections.emptySet();
}
return collector.addMetric("count", histogram.getCount())
.addMetric("max", snapshot.getMax())
.addMetric("min", snapshot.getMin())
.addMetric("mean", snapshot.getMean())
.addMetric("stddev", snapshot.getStdDev())
.addMetric("median", snapshot.getMedian())
.addMetric("p75", snapshot.get75thPercentile())
.addMetric("p95", snapshot.get95thPercentile())
.addMetric("p98", snapshot.get98thPercentile())
.addMetric("p99", snapshot.get99thPercentile())
.addMetric("p999", snapshot.get999thPercentile())
.build();
}
Example 4
| Source File: PlatformDriverExecutorRegistry.java From arcusplatform with Apache License 2.0 | 6 votes |
|
private Map<String, Object> queueBacklog() {
Histogram backlog = new Histogram(new UniformReservoir(64));
for(DriverExecutor executor: executorCache.asMap().values()) {
backlog.update(((DefaultDriverExecutor) executor).getQueuedMessageCount());
}
Snapshot snap = backlog.getSnapshot();
return ImmutableMap
.<String, Object>builder()
.put("count", backlog.getCount())
.put("min", snap.getMin())
.put("max", snap.getMax())
.put("mean", snap.getMean())
.put("stddev", snap.getStdDev())
.put("p50", snap.getMedian())
.put("p75", snap.get75thPercentile())
.put("p95", snap.get95thPercentile())
.put("p98", snap.get98thPercentile())
.put("p99", snap.get99thPercentile())
.put("p999", snap.get999thPercentile())
.build();
}
Example 5
| Source File: MetricsModule.java From hugegraph with Apache License 2.0 | 6 votes |
|
@Override
public void serialize(Histogram histogram, JsonGenerator json,
SerializerProvider provider) throws IOException {
json.writeStartObject();
final Snapshot snapshot = histogram.getSnapshot();
json.writeNumberField("count", histogram.getCount());
json.writeNumberField("max", snapshot.getMax());
json.writeNumberField("mean", snapshot.getMean());
json.writeNumberField("min", snapshot.getMin());
json.writeNumberField("p50", snapshot.getMedian());
json.writeNumberField("p75", snapshot.get75thPercentile());
json.writeNumberField("p95", snapshot.get95thPercentile());
json.writeNumberField("p98", snapshot.get98thPercentile());
json.writeNumberField("p99", snapshot.get99thPercentile());
json.writeNumberField("p999", snapshot.get999thPercentile());
if (this.showSamples) {
json.writeObjectField("values", snapshot.getValues());
}
json.writeNumberField("stddev", snapshot.getStdDev());
json.writeEndObject();
}
Example 6
| Source File: InfluxDbReporter.java From dropwizard-metrics-influxdb with Apache License 2.0 | 6 votes |
|
private void reportHistogram(String name, Histogram histogram, long now) {
if (canSkipMetric(name, histogram)) {
return;
}
final Snapshot snapshot = histogram.getSnapshot();
Map<String, Object> fields = new HashMap<String, Object>();
fields.put("count", histogram.getCount());
fields.put("min", snapshot.getMin());
fields.put("max", snapshot.getMax());
fields.put("mean", snapshot.getMean());
fields.put("stddev", snapshot.getStdDev());
fields.put("p50", snapshot.getMedian());
fields.put("p75", snapshot.get75thPercentile());
fields.put("p95", snapshot.get95thPercentile());
fields.put("p98", snapshot.get98thPercentile());
fields.put("p99", snapshot.get99thPercentile());
fields.put("p999", snapshot.get999thPercentile());
influxDb.appendPoints(
new InfluxDbPoint(
getMeasurementName(name),
getTags(name),
now,
fields));
}
Example 7
| Source File: MetricsElasticsearchModule.java From oneops with Apache License 2.0 | 6 votes |
|
@Override
public void serialize(JsonHistogram jsonHistogram,
JsonGenerator json,
SerializerProvider provider) throws IOException {
json.writeStartObject();
json.writeStringField("name", jsonHistogram.name());
json.writeObjectField(timestampFieldname, jsonHistogram.timestampAsDate());
Histogram histogram = jsonHistogram.value();
final Snapshot snapshot = histogram.getSnapshot();
json.writeNumberField("count", histogram.getCount());
json.writeNumberField("max", snapshot.getMax());
json.writeNumberField("mean", snapshot.getMean());
json.writeNumberField("min", snapshot.getMin());
json.writeNumberField("p50", snapshot.getMedian());
json.writeNumberField("p75", snapshot.get75thPercentile());
json.writeNumberField("p95", snapshot.get95thPercentile());
json.writeNumberField("p98", snapshot.get98thPercentile());
json.writeNumberField("p99", snapshot.get99thPercentile());
json.writeNumberField("p999", snapshot.get999thPercentile());
json.writeNumberField("stddev", snapshot.getStdDev());
addOneOpsMetadata(json);
json.writeEndObject();
}
Example 8
| Source File: HistogramSerializer.java From watcher with Apache License 2.0 | 6 votes |
|
@Override
public void write(JSONSerializer serializer, Object object, Object fieldName, Type fieldType, int features) throws IOException {
Histogram histogram = (Histogram) object;
SerializeWriter writer = serializer.getWriter();
final Snapshot snapshot = histogram.getSnapshot();
writer.writeFieldValue('{', "count", histogram.getCount());
writer.writeFieldValue(',', "max", snapshot.getMax());
writer.writeFieldValue(',', "mean", snapshot.getMean());
writer.writeFieldValue(',', "min", snapshot.getMin());
writer.writeFieldValue(',', "p50", snapshot.getMedian());
writer.writeFieldValue(',', "p75", snapshot.get75thPercentile());
writer.writeFieldValue(',', "p95", snapshot.get95thPercentile());
writer.writeFieldValue(',', "p98", snapshot.get98thPercentile());
writer.writeFieldValue(',', "p99", snapshot.get99thPercentile());
writer.writeFieldValue(',', "p999", snapshot.get999thPercentile());
writer.writeFieldValue(',', "stddev", snapshot.getStdDev());
writer.write('}');
}
Example 9
| Source File: MetricsCloudWatchReporter.java From chassis with Apache License 2.0 | 6 votes |
|
private void addHistograms(SortedMap<String, Histogram> histograms, LinkedList<PutMetricDataRequest> requests, Date timestamp) {
logger.debug("Adding Histograms...");
for (String name : histograms.keySet()) {
Histogram histogram = histograms.get(name);
Snapshot snapshot = histogram.getSnapshot();
checkAndAddDatum(MetricFilter.Stat.COUNT, name, histogram.getCount(), requests, timestamp);
checkAndAddDatum(MetricFilter.Stat.MIN, name, snapshot.getMin(), requests, timestamp);
checkAndAddDatum(MetricFilter.Stat.MAX, name, snapshot.getMax(), requests, timestamp);
checkAndAddDatum(MetricFilter.Stat.MEAN, name, snapshot.getMean(), requests, timestamp);
checkAndAddDatum(MetricFilter.Stat.STDDEV, name, snapshot.getStdDev(), requests, timestamp);
checkAndAddDatum(MetricFilter.Stat.PERCENTILE_75, name, snapshot.get75thPercentile(), requests, timestamp);
checkAndAddDatum(MetricFilter.Stat.PERCENTILE_95, name, snapshot.get95thPercentile(), requests, timestamp);
checkAndAddDatum(MetricFilter.Stat.PERCENTILE_98, name, snapshot.get98thPercentile(), requests, timestamp);
checkAndAddDatum(MetricFilter.Stat.PERCENTILE_99, name, snapshot.get99thPercentile(), requests, timestamp);
checkAndAddDatum(MetricFilter.Stat.PERCENTILE_999, name, snapshot.get999thPercentile(), requests, timestamp);
}
}
Example 10
| Source File: JBossLoggingReporter.java From hawkular-agent with Apache License 2.0 | 6 votes |
|
private String logHistogram(String name, Histogram histogram) {
final Snapshot snapshot = histogram.getSnapshot();
return String.format(
"%s: type=[histogram], count=[%d], min=[%d], max=[%d], mean=[%f], stddev=[%f], " +
"median=[%f], p75=[%f], p95=[%f], p98=[%f], p99=[%f], p999=[%f]",
name,
histogram.getCount(),
snapshot.getMin(),
snapshot.getMax(),
snapshot.getMean(),
snapshot.getStdDev(),
snapshot.getMedian(),
snapshot.get75thPercentile(),
snapshot.get95thPercentile(),
snapshot.get98thPercentile(),
snapshot.get99thPercentile(),
snapshot.get999thPercentile());
}
Example 11
| Source File: TestPerformanceEvaluation.java From hbase with Apache License 2.0 | 6 votes |
|
@Test
public void testZipfian() throws NoSuchMethodException, SecurityException, InstantiationException,
IllegalAccessException, IllegalArgumentException, InvocationTargetException {
TestOptions opts = new PerformanceEvaluation.TestOptions();
opts.setValueZipf(true);
final int valueSize = 1024;
opts.setValueSize(valueSize);
RandomReadTest rrt = new RandomReadTest(null, opts, null);
Constructor<?> ctor =
Histogram.class.getDeclaredConstructor(com.codahale.metrics.Reservoir.class);
ctor.setAccessible(true);
Histogram histogram = (Histogram)ctor.newInstance(new UniformReservoir(1024 * 500));
for (int i = 0; i < 100; i++) {
histogram.update(rrt.getValueLength(null));
}
Snapshot snapshot = histogram.getSnapshot();
double stddev = snapshot.getStdDev();
assertTrue(stddev != 0 && stddev != 1.0);
assertTrue(snapshot.getStdDev() != 0);
double median = snapshot.getMedian();
assertTrue(median != 0 && median != 1 && median != valueSize);
}
Example 12
| Source File: WavefrontMetricsReporter.java From dropwizard-wavefront with Apache License 2.0 | 5 votes |
|
private void reportHistogram(JsonGenerator json, String name, Histogram histogram) throws IOException {
Snapshot snapshot = histogram.getSnapshot();
json.writeFieldName(sanitize(name));
json.writeStartObject();
json.writeNumberField("count", histogram.getCount());
writeSnapshot(json, snapshot);
json.writeEndObject();
}
Example 13
| Source File: HFilePrettyPrinter.java From hbase with Apache License 2.0 | 5 votes |
|
private void printHistogram(Histogram histogram) {
Snapshot snapshot = histogram.getSnapshot();
output.printf(locale, " min = %d%n", snapshot.getMin());
output.printf(locale, " max = %d%n", snapshot.getMax());
output.printf(locale, " mean = %2.2f%n", snapshot.getMean());
output.printf(locale, " stddev = %2.2f%n", snapshot.getStdDev());
output.printf(locale, " median = %2.2f%n", snapshot.getMedian());
output.printf(locale, " 75%% <= %2.2f%n", snapshot.get75thPercentile());
output.printf(locale, " 95%% <= %2.2f%n", snapshot.get95thPercentile());
output.printf(locale, " 98%% <= %2.2f%n", snapshot.get98thPercentile());
output.printf(locale, " 99%% <= %2.2f%n", snapshot.get99thPercentile());
output.printf(locale, " 99.9%% <= %2.2f%n", snapshot.get999thPercentile());
output.printf(locale, " count = %d%n", histogram.getCount());
}
Example 14
| Source File: YammerHistogramUtils.java From hbase with Apache License 2.0 | 5 votes |
|
/** @return a summary of {@code hist}. */
public static String getHistogramReport(final Histogram hist) {
Snapshot sn = hist.getSnapshot();
return "mean=" + DOUBLE_FORMAT.format(sn.getMean()) +
", min=" + DOUBLE_FORMAT.format(sn.getMin()) +
", max=" + DOUBLE_FORMAT.format(sn.getMax()) +
", stdDev=" + DOUBLE_FORMAT.format(sn.getStdDev()) +
", 50th=" + DOUBLE_FORMAT.format(sn.getMedian()) +
", 75th=" + DOUBLE_FORMAT.format(sn.get75thPercentile()) +
", 95th=" + DOUBLE_FORMAT.format(sn.get95thPercentile()) +
", 99th=" + DOUBLE_FORMAT.format(sn.get99thPercentile()) +
", 99.9th=" + DOUBLE_FORMAT.format(sn.get999thPercentile()) +
", 99.99th=" + DOUBLE_FORMAT.format(sn.getValue(0.9999)) +
", 99.999th=" + DOUBLE_FORMAT.format(sn.getValue(0.99999));
}
Example 15
| Source File: TimelineServerPerf.java From hudi with Apache License 2.0 | 5 votes |
|
private static PerfStats runOneRound(SyncableFileSystemView fsView, String partition, String fileId, int id,
int numIterations) {
Histogram latencyHistogram = new Histogram(new UniformReservoir(10000));
for (int i = 0; i < numIterations; i++) {
long beginTs = System.currentTimeMillis();
Option<FileSlice> c = fsView.getLatestFileSlice(partition, fileId);
long endTs = System.currentTimeMillis();
System.out.println("Latest File Slice for part=" + partition + ", fileId=" + fileId + ", Slice=" + c + ", Time="
+ (endTs - beginTs));
latencyHistogram.update(endTs - beginTs);
}
return new PerfStats(partition, id, latencyHistogram.getSnapshot());
}
Example 16
| Source File: HistogramSnapshotExtractionBenchmark.java From rolling-metrics with Apache License 2.0 | 5 votes |
|
private static Map<String, Object> getSnaphsotRepresentation(Histogram histogram) {
Map<String, Object> view = new HashMap<>();
Snapshot snapshot = histogram.getSnapshot();
view.put("max", snapshot.getMax());
view.put("min", snapshot.getMin());
view.put("mean", snapshot.getMean());
view.put("median", snapshot.getMedian());
view.put("stdDeviation", snapshot.getStdDev());
view.put("75", snapshot.get75thPercentile());
view.put("95", snapshot.get95thPercentile());
view.put("98", snapshot.get98thPercentile());
view.put("99", snapshot.get99thPercentile());
view.put("999", snapshot.get999thPercentile());
return view;
}
Example 17
| Source File: NewtsReporter.java From newts with Apache License 2.0 | 5 votes |
|
private void reportHistogram(List<Sample> samples, Timestamp timestamp, String name, Histogram histogram) {
final Snapshot snapshot = histogram.getSnapshot();
reportC(samples, timestamp, name, "count", histogram.getCount());
reportG(samples, timestamp, name, "max", snapshot.getMax());
reportG(samples, timestamp, name, "mean", snapshot.getMean());
reportG(samples, timestamp, name, "min", snapshot.getMin());
reportG(samples, timestamp, name, "stddev", snapshot.getStdDev());
reportG(samples, timestamp, name, "p50", snapshot.getMedian());
reportG(samples, timestamp, name, "p75", snapshot.get75thPercentile());
reportG(samples, timestamp, name, "p95", snapshot.get95thPercentile());
reportG(samples, timestamp, name, "p98", snapshot.get98thPercentile());
reportG(samples, timestamp, name, "p99", snapshot.get99thPercentile());
reportG(samples, timestamp, name, "p999", snapshot.get999thPercentile());
}
Example 18
| Source File: OutputStreamReporter.java From incubator-gobblin with Apache License 2.0 | 5 votes |
|
private void printHistogram(Histogram histogram) {
this.outputBufferPrintStream.printf(locale, " count = %d%n", histogram.getCount());
Snapshot snapshot = histogram.getSnapshot();
this.outputBufferPrintStream.printf(locale, " min = %d%n", snapshot.getMin());
this.outputBufferPrintStream.printf(locale, " max = %d%n", snapshot.getMax());
this.outputBufferPrintStream.printf(locale, " mean = %2.2f%n", snapshot.getMean());
this.outputBufferPrintStream.printf(locale, " stddev = %2.2f%n", snapshot.getStdDev());
this.outputBufferPrintStream.printf(locale, " median = %2.2f%n", snapshot.getMedian());
this.outputBufferPrintStream.printf(locale, " 75%% <= %2.2f%n", snapshot.get75thPercentile());
this.outputBufferPrintStream.printf(locale, " 95%% <= %2.2f%n", snapshot.get95thPercentile());
this.outputBufferPrintStream.printf(locale, " 98%% <= %2.2f%n", snapshot.get98thPercentile());
this.outputBufferPrintStream.printf(locale, " 99%% <= %2.2f%n", snapshot.get99thPercentile());
this.outputBufferPrintStream.printf(locale, " 99.9%% <= %2.2f%n", snapshot.get999thPercentile());
}
Example 19
| Source File: MqMetricReporter.java From pmq with Apache License 2.0 | 5 votes |
|
private Set<Metric> buildHistograms(String name, Histogram histogram, long timestamp, Map<String, String> tags) {
final MetricsCollector collector = MetricsCollector.createNew(name, tags, timestamp);
final Snapshot snapshot = histogram.getSnapshot();
if (getChangeCount(name, histogram.getCount()) == 0) {
return Collections.emptySet();
}
return collector.addMetric("count", histogram.getCount()).addMetric("max", snapshot.getMax())
.addMetric("min", snapshot.getMin()).addMetric("mean", snapshot.getMean())
.addMetric("stddev", snapshot.getStdDev()).addMetric("median", snapshot.getMedian())
.addMetric("p75", snapshot.get75thPercentile()).addMetric("p95", snapshot.get95thPercentile())
.addMetric("p98", snapshot.get98thPercentile()).addMetric("p99", snapshot.get99thPercentile())
.addMetric("p999", snapshot.get999thPercentile()).build();
}
Example 20
| Source File: Helper.java From vertx-dropwizard-metrics with Apache License 2.0 | 5 votes |
|
private static JsonObject toJson(Histogram histogram) {
Snapshot snapshot = histogram.getSnapshot();
JsonObject json = new JsonObject();
json.put("type", "histogram");
json.put("count", histogram.getCount());
// Snapshot
populateSnapshot(json, snapshot, 1);
return json;
}
