private void addHistogram(String name, Histogram histogram, MetricsRecordBuilder builder) {
    MutableHistogram.snapshot(name, EMPTY_STRING, histogram, builder, true);
  }
Add Histogram value-distribution data to a Hadoop-Metrics2 record building.
@param name      A base name for this record.
@param histogram A histogram to measure distribution of values.
@param builder   A Hadoop-Metrics2 record builder.
hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/metrics/impl/HBaseMetrics2HadoopMetricsAdapter.java