Index: src/main/java/org/apache/hadoop/hbase/metrics/histogram/MetricsHistogram.java =================================================================== --- src/main/java/org/apache/hadoop/hbase/metrics/histogram/MetricsHistogram.java (revision 1359529) +++ src/main/java/org/apache/hadoop/hbase/metrics/histogram/MetricsHistogram.java (working copy) @@ -30,6 +30,16 @@ import com.yammer.metrics.stats.UniformSample; import com.yammer.metrics.stats.ExponentiallyDecayingSample; +/* + * This class is deprecated. + * A new class backed by metrics2 framework would replace + * this class in the next major HBase release. + * + * We'll try to keep the external-facing interface (ie the JMX output) + * If we're unable to do so, we will announce the list of such metrics + * + */ +@Deprecated public class MetricsHistogram extends MetricsBase { // 1028 items implies 99.9% CI w/ 5% margin of error