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From "Sid Wagle" <swa...@hortonworks.com>
Subject Re: Review Request 40448: Enable auto-start with alerting for AMS
Date Wed, 18 Nov 2015 18:04:22 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/40448/#review107060
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We should enable auto-start for AMS by default, since watchdog is also enabled by default.

- Sid Wagle


On Nov. 18, 2015, 5:50 p.m., Dmytro Sen wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/40448/
> -----------------------------------------------------------
> 
> (Updated Nov. 18, 2015, 5:50 p.m.)
> 
> 
> 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
> -------
> 
> - 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
> -----
> 
>   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/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
> -------
> 
> Unit tests passed
> 
> 
> Thanks,
> 
> Dmytro Sen
> 
>


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