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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/46018/
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Review request for Ambari, Sumit Mohanty, Jeff Sposetti, and Sid Wagle.


Bugs: AMBARI-15801
    https://issues.apache.org/jira/browse/AMBARI-15801


Repository: ambari


Description
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HDFS Script alerts turned to UNKNOWN status when minimumValue threshold are set 
to very low values, with an error response "Unable to calculate the standard 
deviation for 1 datapoints"/"Unable to calculate the standard deviation for 0 
datapoints"
Note : This behavior is not observed when the minimumValue is set to a higher 
value (e.g 30.0).


Diffs
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ambari-server/src/main/resources/common-services/HDFS/2.1.0.2.0/package/alerts/alert_metrics_deviation.py
 9a122fa 
  
ambari-server/src/test/python/stacks/2.0.6/HDFS/test_alert_metrics_deviation.py 
PRE-CREATION 

Diff: https://reviews.apache.org/r/46018/diff/


Testing
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Ran 277 tests in 9.376s

OK
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Total run:956
Total errors:0
Total failures:0
OK


Thanks,

Dmytro Sen

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