Class Rate
java.lang.Object
org.apache.kafka.common.metrics.stats.Rate
- All Implemented Interfaces:
Measurable
,MeasurableStat
,MetricValueProvider<Double>
,Stat
- Direct Known Subclasses:
SimpleRate
The rate of the given quantity. By default this is the total observed over a set of samples from a sampled statistic
divided by the elapsed time over the sample windows. Alternative
SampledStat
implementations can be provided,
however, to record the rate of occurrences (e.g. the count of values measured over the time interval) or other such
values.-
Field Summary
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptiondouble
measure
(MetricConfig config, long now) Measure this quantity and return the result as a doublevoid
record
(MetricConfig config, double value, long timeMs) Record the given valuetoString()
unitName()
long
windowSize
(MetricConfig config, long now)
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Field Details
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unit
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stat
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Constructor Details
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Rate
public Rate() -
Rate
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Rate
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Rate
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Method Details
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unitName
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record
Description copied from interface:Stat
Record the given value -
measure
Description copied from interface:Measurable
Measure this quantity and return the result as a double- Specified by:
measure
in interfaceMeasurable
- Parameters:
config
- The configuration for this metricnow
- The POSIX time in milliseconds the measurement is being taken- Returns:
- The measured value
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windowSize
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toString
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