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From "Dmytro Sen" <d...@hortonworks.com>
Subject Re: Review Request 40448: Enable auto-start with alerting for AMS
Date Wed, 18 Nov 2015 18:24:57 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/40448/
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(Updated Ноя. 18, 2015, 6:24 п.п.)


Review request for Ambari, Jonathan Hurley, Sumit Mohanty, and Sid Wagle.


Bugs: AMBARI-13954
    https://issues.apache.org/jira/browse/AMBARI-13954


Repository: ambari


Description
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- In 2.1.3 we have the watch dog script that will shutdown the API if HBase is unresponsive
for sometime.
- We also have the ability to auto-start per service / component
- The two should work in conjunction for AMS
- User needs to be alerted if Restarts are too frequent

Alternative approach is for watch to act as a monitor and be responsible for restarting HBase.
This should still be a alert hook but in that case the alert can be customized for AMS only.

To turn on AMS auto-start append ambari.properties with

recovery.type=AUTO_START
recovery.enabled_components=METRICS_COLLECTOR


Diffs (updated)
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  ambari-agent/src/main/python/ambari_agent/AlertSchedulerHandler.py d3aab87 
  ambari-agent/src/main/python/ambari_agent/Controller.py 520d78d 
  ambari-agent/src/main/python/ambari_agent/FileCache.py 4869e51 
  ambari-agent/src/main/python/ambari_agent/RecoveryManager.py cab81f5 
  ambari-agent/src/main/python/ambari_agent/alerts/recovery_alert.py PRE-CREATION 
  ambari-agent/src/test/python/ambari_agent/TestActionQueue.py df8278b 
  ambari-agent/src/test/python/ambari_agent/TestAlertSchedulerHandler.py a08e4bc 
  ambari-agent/src/test/python/ambari_agent/TestAlerts.py 1e6da64 
  ambari-agent/src/test/python/ambari_agent/TestHeartbeat.py 1f3609d 
  ambari-agent/src/test/python/ambari_agent/TestRecoveryManager.py e6115e3 
  ambari-server/conf/unix/ambari.properties 7f0a464 
  ambari-server/src/main/java/org/apache/ambari/server/state/alert/AlertDefinitionFactory.java
4bc25f8 
  ambari-server/src/main/java/org/apache/ambari/server/state/alert/RecoverySource.java PRE-CREATION

  ambari-server/src/main/java/org/apache/ambari/server/state/alert/SourceType.java 6c1aa9a

  ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/alerts.json 319427d


Diff: https://reviews.apache.org/r/40448/diff/


Testing
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Unit tests passed


Thanks,

Dmytro Sen


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