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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/51466/
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(Updated Aug. 26, 2016, 9:15 p.m.)


Review request for Ambari, Dmytro Sen, Jaimin Jetly, Sumit Mohanty, and Sid 
Wagle.


Bugs: AMBARI-18154
    https://issues.apache.org/jira/browse/AMBARI-18154


Repository: ambari


Description (updated)
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PROBLEM
Under Ambari Dashboard -> Cluster metrics. It has been noticed that the metrics 
Nodes_avg and CPUs_avg are showing the same data.

BUG
They are requesting the same metric (cpu_num) from AMS.

FIX
Track live_hosts metric in AMS - Number of hosts sending metrics to AMS in the 
last 2 minutes. Change dashboard widget to show the new metric.


Diffs
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ambari-metrics/ambari-metrics-timelineservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/metrics/timeline/aggregators/TimelineMetricClusterAggregatorSecond.java
 1676867 
  
ambari-metrics/ambari-metrics-timelineservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/metrics/timeline/aggregators/TimelineMetricClusterAggregatorSecondTest.java
 b992d60 
  ambari-server/src/main/resources/ganglia_properties.json 5632bc0 
  ambari-server/src/main/resources/sqlserver_properties.json 10756f2 
  ambari-web/app/utils/ajax/ajax.js af3a9e2 
  
contrib/ambari-scom/ambari-scom-server/src/main/resources/sqlserver_properties.json
 10756f2 

Diff: https://reviews.apache.org/r/51466/diff/


Testing
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Manually tested.


Thanks,

Aravindan Vijayan

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