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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/51711/
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(Updated Sept. 11, 2016, 2:10 a.m.)


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


Bugs: AMBARI-17458
    https://issues.apache.org/jira/browse/AMBARI-17458


Repository: ambari


Description
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Support Multiple collectors in Ambari Server, managed through a separate 
MetricsHAManager module. Round robin scheduling with 5mins time slice is used 
for toggling between available collectors. Ambari event framework is used to 
notify the MetricsHAManager about a down collector.

This patch also fixes the bug in reporting AMS components' process status.


Diffs (updated)
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ambari-server/src/main/java/org/apache/ambari/server/controller/AmbariManagementController.java
 9da6fd4 
  
ambari-server/src/main/java/org/apache/ambari/server/controller/AmbariManagementControllerImpl.java
 1d82928 
  
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/AbstractProviderModule.java
 b6cbed5 
  
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/HostStatusHelper.java
 PRE-CREATION 
  
ambari-server/src/main/java/org/apache/ambari/server/controller/metrics/MetricsCollectorHAClusterState.java
 PRE-CREATION 
  
ambari-server/src/main/java/org/apache/ambari/server/controller/metrics/MetricsCollectorHAManager.java
 PRE-CREATION 
  
ambari-server/src/main/java/org/apache/ambari/server/controller/metrics/timeline/AMSPropertyProvider.java
 9e81df4 
  
ambari-server/src/main/java/org/apache/ambari/server/controller/metrics/timeline/AMSReportPropertyProvider.java
 3688742 
  
ambari-server/src/main/java/org/apache/ambari/server/controller/metrics/timeline/MetricsRequestHelper.java
 1df0f6a 
  
ambari-server/src/main/java/org/apache/ambari/server/controller/metrics/timeline/cache/TimelineMetricCache.java
 b5fe05e 
  ambari-server/src/main/java/org/apache/ambari/server/events/AmbariEvent.java 
912c441 
  
ambari-server/src/main/java/org/apache/ambari/server/events/MetricsCollectorHostDownEvent.java
 PRE-CREATION 
  
ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/package/scripts/metrics_collector.py
 2c7119b 
  
ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/package/scripts/metrics_grafana.py
 747a687 
  
ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/package/scripts/metrics_monitor.py
 d53c1fc 
  
ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/package/scripts/status.py
 14af3ad 

Diff: https://reviews.apache.org/r/51711/diff/


Testing
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Manually tested.
Unit tests pending.


Thanks,

Aravindan Vijayan

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