本文整理汇总了Java中com.codahale.metrics.Timer.getSnapshot方法的典型用法代码示例。如果您正苦于以下问题:Java Timer.getSnapshot方法的具体用法?Java Timer.getSnapshot怎么用?Java Timer.getSnapshot使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.codahale.metrics.Timer
的用法示例。
在下文中一共展示了Timer.getSnapshot方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: reportTimer
import com.codahale.metrics.Timer; //导入方法依赖的package包/类
/** */
private void reportTimer(String timestamp, String name, Timer timer) {
final Snapshot snapshot = timer.getSnapshot();
report(timestamp,
name,
"count,max,mean,min,stddev,p50,p75,p95,p98,p99,p999,mean_rate,m1_rate,m5_rate,m15_rate,rate_unit,duration_unit",
"%d,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,calls/%s,%s",
timer.getCount(),
convertDuration(snapshot.getMax()),
convertDuration(snapshot.getMean()),
convertDuration(snapshot.getMin()),
convertDuration(snapshot.getStdDev()),
convertDuration(snapshot.getMedian()),
convertDuration(snapshot.get75thPercentile()),
convertDuration(snapshot.get95thPercentile()),
convertDuration(snapshot.get98thPercentile()),
convertDuration(snapshot.get99thPercentile()),
convertDuration(snapshot.get999thPercentile()),
convertRate(timer.getMeanRate()),
convertRate(timer.getOneMinuteRate()),
convertRate(timer.getFiveMinuteRate()),
convertRate(timer.getFifteenMinuteRate()),
getRateUnit(),
getDurationUnit());
}
示例2: fromTimer
import com.codahale.metrics.Timer; //导入方法依赖的package包/类
/**
* Build an {@link InfluxDbMeasurement} from a timer.
*/
@VisibleForTesting InfluxDbMeasurement fromTimer(final String metricName, final Timer t, final long timestamp) {
final Snapshot snapshot = t.getSnapshot();
final DropwizardMeasurement measurement = parser.parse(metricName);
final Map<String, String> tags = new HashMap<>(baseTags);
tags.putAll(measurement.tags());
return new InfluxDbMeasurement.Builder(measurement.name(), timestamp)
.putTags(tags)
.putField("count", snapshot.size())
.putField("min", convertDuration(snapshot.getMin()))
.putField("max", convertDuration(snapshot.getMax()))
.putField("mean", convertDuration(snapshot.getMean()))
.putField("std-dev", convertDuration(snapshot.getStdDev()))
.putField("50-percentile", convertDuration(snapshot.getMedian()))
.putField("75-percentile", convertDuration(snapshot.get75thPercentile()))
.putField("95-percentile", convertDuration(snapshot.get95thPercentile()))
.putField("99-percentile", convertDuration(snapshot.get99thPercentile()))
.putField("999-percentile", convertDuration(snapshot.get999thPercentile()))
.putField("one-minute", convertRate(t.getOneMinuteRate()))
.putField("five-minute", convertRate(t.getFiveMinuteRate()))
.putField("fifteen-minute", convertRate(t.getFifteenMinuteRate()))
.putField("mean-minute", convertRate(t.getMeanRate()))
.putField("run-count", t.getCount())
.build();
}
示例3: calculateNewRateLimit
import com.codahale.metrics.Timer; //导入方法依赖的package包/类
private static double calculateNewRateLimit(Timer commitTimer, long commitTimeoutInSeconds) {
if (commitTimer == null) {
// This can happen in unit tests.
return 0;
}
Snapshot timerSnapshot = commitTimer.getSnapshot();
double newRateLimit = 0;
long commitTimeoutInNanos = TimeUnit.SECONDS.toNanos(commitTimeoutInSeconds);
// Find the time that it takes for transactions to get executed in every 10th percentile
// Compute the rate limit for that percentile and sum it up
for (int i = 1; i <= 10; i++) {
// Get the amount of time transactions take in the i*10th percentile
double percentileTimeInNanos = timerSnapshot.getValue(i * 0.1D);
if (percentileTimeInNanos > 0) {
// Figure out the rate limit for the i*10th percentile in nanos
double percentileRateLimit = commitTimeoutInNanos / percentileTimeInNanos;
// Add the percentileRateLimit to the total rate limit
newRateLimit += percentileRateLimit;
}
}
// Compute the rate limit per second
return newRateLimit / (commitTimeoutInSeconds * 10);
}
示例4: serialize
import com.codahale.metrics.Timer; //导入方法依赖的package包/类
@Override
public void serialize(JsonTimer jsonTimer,
JsonGenerator json,
SerializerProvider provider) throws IOException {
json.writeStartObject();
json.writeStringField("name", jsonTimer.name());
json.writeObjectField(timestampFieldname, jsonTimer.timestampAsDate());
Timer timer = jsonTimer.value();
final Snapshot snapshot = timer.getSnapshot();
json.writeNumberField("count", timer.getCount());
json.writeNumberField("max", snapshot.getMax() * durationFactor);
json.writeNumberField("mean", snapshot.getMean() * durationFactor);
json.writeNumberField("min", snapshot.getMin() * durationFactor);
json.writeNumberField("p50", snapshot.getMedian() * durationFactor);
json.writeNumberField("p75", snapshot.get75thPercentile() * durationFactor);
json.writeNumberField("p95", snapshot.get95thPercentile() * durationFactor);
json.writeNumberField("p98", snapshot.get98thPercentile() * durationFactor);
json.writeNumberField("p99", snapshot.get99thPercentile() * durationFactor);
json.writeNumberField("p999", snapshot.get999thPercentile() * durationFactor);
/*
if (showSamples) {
final long[] values = snapshot.getValues();
final double[] scaledValues = new double[values.length];
for (int i = 0; i < values.length; i++) {
scaledValues[i] = values[i] * durationFactor;
}
json.writeObjectField("values", scaledValues);
}
*/
json.writeNumberField("stddev", snapshot.getStdDev() * durationFactor);
json.writeNumberField("m1_rate", timer.getOneMinuteRate() * rateFactor);
json.writeNumberField("m5_rate", timer.getFiveMinuteRate() * rateFactor);
json.writeNumberField("m15_rate", timer.getFifteenMinuteRate() * rateFactor);
json.writeNumberField("mean_rate", timer.getMeanRate() * rateFactor);
json.writeStringField("duration_units", durationUnit);
json.writeStringField("rate_units", rateUnit);
addOneOpsMetadata(json);
json.writeEndObject();
}