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From "Vitaly Brodetskyi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-19236) Stackadvisor: incorrect recommendations when only one of two dependencies was changed
Date Mon, 19 Dec 2016 14:31:58 GMT
Vitaly Brodetskyi created AMBARI-19236:
------------------------------------------

             Summary: Stackadvisor: incorrect recommendations when only one of two dependencies
was changed
                 Key: AMBARI-19236
                 URL: https://issues.apache.org/jira/browse/AMBARI-19236
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server
    Affects Versions: 2.4.0
            Reporter: Vitaly Brodetskyi
            Assignee: Vitaly Brodetskyi
            Priority: Critical
             Fix For: 2.5.0


For example:
'mapreduce.map.memory.mb' depends on 'yarn.scheduler.maximum-allocation-mb' and 'yarn.scheduler.minimum-allocation-mb'.


*The case:*
'yarn.scheduler.minimum-allocation-mb' was changed, but 'yarn.scheduler.maximum-allocation-mb'
not. In this case recommendations will use provided value for the first property and recommended
value for the second. 'mapreduce.map.memory.mb' will be recalculated incorrectly.

*Expected:*
Use the provided values for both properties.



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