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NIFI-8317 heap and non_heap usage Prometheus metrics now return -1.0 when undefined. 

Signed-off-by: Matthew Burgess <mattyb149@apache.org>

This closes #4920
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noblenumbat360 2021-03-22 13:08:49 +11:00 committed by Matthew Burgess
parent 02ea103c6b
commit ee1386db02
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1 changed files with 4 additions and 2 deletions
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6
nifi-commons/nifi-metrics/src/main/java/org/apache/nifi/metrics/jvm/JmxJvmMetrics.java
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@ -139,12 +139,14 @@ public class JmxJvmMetrics implements JvmMetrics {
@Override @Override
public double heapUsage() { public double heapUsage() {
return (Double) getMetric(MEMORY_HEAP_USAGE); double usage = (Double) getMetric(MEMORY_HEAP_USAGE);
return usage < 0 ? -1.0 : usage;
} }
@Override @Override
public double nonHeapUsage() { public double nonHeapUsage() {
return (Double) getMetric(MEMORY_NON_HEAP_USAGE); double usage = (Double) getMetric(MEMORY_NON_HEAP_USAGE);
return usage < 0 ? -1.0 : usage;
} }
@Override @Override