| Package | Description | 
|---|---|
| com.hazelcast.jet | Hazelcast Jet is a distributed computation engine running on top of
 Hazelcast IMDG technology. | 
| com.hazelcast.jet.core.metrics | Jet's Job Metric API. | 
| Class and Description | 
|---|
| JobMetrics An immutable collection of job-specific metrics, pairs of metric names
 and sets of associated  Measurements. | 
| Class and Description | 
|---|
| JobMetrics An immutable collection of job-specific metrics, pairs of metric names
 and sets of associated  Measurements. | 
| Measurement Immutable data class containing information about one metric measurement,
 consisting of:
 
 metric value
 metric timestamp, generated when the metric was gathered
 metric descriptor (set of tag name-value pairs) 
  | 
| Metric Handler for manipulating one user-defined metric. | 
| Unit Measurement unit of user-defined metrics (see  Metric). | 
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