Name | Description | Type | Package | Framework |
AbstractMetricsContext | The main class of the Service Provider Interface. | Class | org.apache.hadoop.metrics.spi | Apache Hadoop |
CompositeContext | Class | org.apache.hadoop.metrics.spi | Apache Hadoop | |
MetricsRecordImpl | An implementation of MetricsRecord. | Class | org.apache.hadoop.metrics.spi | Apache Hadoop |
MetricValue | A Number that is either an absolute or an incremental amount. | Class | org.apache.hadoop.metrics.spi | Apache Hadoop |
NoEmitMetricsContext | A MetricsContext that does not emit data, but, unlike NullContextWithUpdate, does save it for retrieval with getAllRecords(). | Class | org.apache.hadoop.metrics.spi | Apache Hadoop |
NullContext | Null metrics context: a metrics context which does nothing. | Class | org.apache.hadoop.metrics.spi | Apache Hadoop |
NullContextWithUpdateThread | A null context which has a thread calling periodically when monitoring is started. | Class | org.apache.hadoop.metrics.spi | Apache Hadoop |
OutputRecord | Represents a record of metric data to be sent to a metrics system. | Class | org.apache.hadoop.metrics.spi | Apache Hadoop |
Util | Class | org.apache.hadoop.metrics.spi | Apache Hadoop | |