public DynamicMetricsRegistry tag(String name, String description, String value) {
    return tag(name, description, value, false);
  }
Add a tag to the metrics
@param name        of the tag
@param description of the tag
@param value       of the tag
@return the registry (for keep adding tags)
hbase-hadoop-compat/src/main/java/org/apache/hadoop/metrics2/lib/DynamicMetricsRegistry.java