程序包的使用
org.apache.hadoop.hbase.metrics

org.apache.hadoop.hbase.metrics使用的org.apache.hadoop.hbase.metrics中的类

类和说明
Counter A mutable number optimized for high concurrency counting.
Gauge A metrics which measures a discrete value.
Histogram A metric which measures the distribution of values.
Meter A metric which measure the rate at which some operation is invoked.
Metric Parent interface for all metrics.
MetricRegistries MetricRegistries is collection of MetricRegistry's.
MetricRegistry General purpose factory for creating various metrics.
MetricRegistryInfo HBase Metrics are grouped in different MetricRegistry'ies.
MetricSet A set of named metrics.
Snapshot A statictical sample of histogram values.
Timer A metric which encompasses a Histogram and Meter.