diff --git a/hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/FastLongHistogram.java b/hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/FastLongHistogram.java
index b1b47e3904e..85046dfe55c 100644
--- a/hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/FastLongHistogram.java
+++ b/hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/FastLongHistogram.java
@@ -312,8 +312,16 @@ public class FastLongHistogram {
    * Resets the histogram for new counting.
    */
   public Snapshot snapshotAndReset() {
-    final Bins oldBins = this.bins;
+    Snapshot snapshot = snapshot();
     this.bins = new Bins(this.bins, this.bins.counts.length - 3, 0.01, 0.99);
+    return snapshot;
+  }
+
+  /**
+   * do snapshot without reset
+   */
+  public Snapshot snapshot() {
+    final Bins oldBins = this.bins;
     final long[] percentiles = oldBins.getQuantiles(DEFAULT_QUANTILES);
     final long count = oldBins.count.sum();
 
diff --git a/hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/HistogramImpl.java b/hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/HistogramImpl.java
index c29b267e347..cb82a2a5033 100644
--- a/hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/HistogramImpl.java
+++ b/hbase-metrics/src/main/java/org/apache/hadoop/hbase/metrics/impl/HistogramImpl.java
@@ -78,7 +78,7 @@ public class HistogramImpl implements Histogram {
 
   @Override
   public Snapshot snapshot() {
-    return histogram.snapshotAndReset();
+    return histogram.snapshot();
   }
 
   public long[] getQuantiles(double[] quantiles) {