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https://reviews.apache.org/r/39693/
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Review request for Ambari, Dmytro Sen, Sumit Mohanty, and Sid Wagle.


Bugs: AMBARI-13585
    https://issues.apache.org/jira/browse/AMBARI-13585


Repository: ambari


Description
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Problem
Flume Metrics shown in the flume summary page of Ambari have very small values 
when correlated with the events being generated by the flume agents.

Bug
AMS handles flume metrics in a special way since they are "rate" metrics. While 
trying to calculate the "per second" metric value, the code calculates the "per 
millisecond" value instead.

Fix
Changed calculation logic to "per second".


Diffs
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ambari-metrics/ambari-metrics-timelineservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/metrics/timeline/HBaseTimelineMetricStore.java
 21f193f 

Diff: https://reviews.apache.org/r/39693/diff/


Testing
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Maunal Testing by creating flume agents.

mvn clean test on ambari-metrics.


Thanks,

Aravindan Vijayan

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