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HBASE-15683 Min latency in latency histograms are emitted as Long.MAX_VALUE

This commit is contained in:
Enis Soztutar 2016-04-21 10:44:03 -07:00
parent ef47e1b68c
commit 9ba9cdeb47
1 changed files with 5 additions and 4 deletions
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9
hbase-common/src/main/java/org/apache/hadoop/hbase/util/FastLongHistogram.java
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@ -58,7 +58,7 @@ public class FastLongHistogram {
// set to true when any of data has been inserted to the Bins. It is set after the counts are
// updated.
private final AtomicBoolean hasData = new AtomicBoolean(false);
/**
* The constructor for creating a Bins without any prior data.
*/
@ -134,7 +134,7 @@ public class FastLongHistogram {
// hasData needs to be updated as last
this.hasData.set(true);
}
/**
* Computes the quantiles give the ratios.
*/
@ -157,7 +157,7 @@ public class FastLongHistogram {
int rIndex = 0;
double qCount = total * quantiles[0];
long cum = 0L;
long[] res = new long[quantiles.length];
countsLoop: for (int i = 0; i < counts.length; i++) {
// mn and mx define a value range
@ -281,7 +281,8 @@ public class FastLongHistogram {
}
public long getMin() {
return this.bins.min.get();
long min = this.bins.min.get();
return min == Long.MAX_VALUE ? 0 : min; // in case it is not initialized
}
public long getMax() {