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From "Alejandro Fernandez" <afernan...@hortonworks.com>
Subject Re: Review Request 36230: Ambari Metrics Monitor process CPU usage goes up if Collector is down for sometime
Date Mon, 06 Jul 2015 23:46:05 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/36230/#review90606
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Ship it!


Ship It!

- Alejandro Fernandez


On July 6, 2015, 11:42 p.m., Sid Wagle wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/36230/
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> 
> (Updated July 6, 2015, 11:42 p.m.)
> 
> 
> Review request for Ambari, Alejandro Fernandez, Mahadev Konar, and Myroslav Papirkovskyy.
> 
> 
> Bugs: AMBARI-12301
>     https://issues.apache.org/jira/browse/AMBARI-12301
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> PROBLEM: If the Ambari Metrics Collector is down, the Ambari Metrics Monitor processes
gradually consume more and more CPU resource until it is using 100% of a single CPU core.
> 
> This happens after a couple of days of Collector being down. Attaching log and strace.
> 
> 
> Diffs
> -----
> 
>   ambari-metrics/ambari-metrics-host-monitoring/src/main/python/core/application_metric_map.py
1be6fa2 
>   ambari-metrics/ambari-metrics-host-monitoring/src/main/python/core/emitter.py c3fd543

>   ambari-metrics/ambari-metrics-host-monitoring/src/test/python/core/TestApplicationMetricMap.py
e653c48 
>   ambari-metrics/ambari-metrics-host-monitoring/src/test/python/core/TestEmitter.py 56e6475

> 
> Diff: https://reviews.apache.org/r/36230/diff/
> 
> 
> Testing
> -------
> 
> All unit tests passes. Verified manually.
> 
> 
> Thanks,
> 
> Sid Wagle
> 
>


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