private void registerAndMarkMetrics(ObserverContext<? extends RegionCoprocessorEnvironment> e,
      Row row) {
      if (!active || !isMetaTableOp(e)) {
        return;
      }
      tableMetricRegisterAndMark(row);
      clientMetricRegisterAndMark();
      regionMetricRegisterAndMark(row);
      opMetricRegisterAndMark(row);
      opWithClientMetricRegisterAndMark(row);
    }
A coprocessor that collects metrics from meta table.
<p>
These metrics will be available through the regular Hadoop metrics2 sinks (ganglia, opentsdb,
etc) as well as JMX output.
</p>
@see MetaTableMetrics
hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/MetaTableMetrics.java