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From "Janos Matyas (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-10283) Downscale is asking to restart RM and NN
Date Mon, 30 Mar 2015 18:09:53 GMT
Janos Matyas created AMBARI-10283:
-------------------------------------

             Summary: Downscale is asking to restart RM and NN
                 Key: AMBARI-10283
                 URL: https://issues.apache.org/jira/browse/AMBARI-10283
             Project: Ambari
          Issue Type: Bug
    Affects Versions: 2.0.0
         Environment: CentOS 6.5, Ambari 2.0 (latest build)
            Reporter: Janos Matyas


We are doing up and downscales quiet frequently using Ambari API calls - recently with 2.0
we noticed that when you downscale using the API and check on the Ambari UI’s it complains
about the need of restarting RM and NN though no need of it (cluster works well). Is there
an issue or there is a particular reason why this feature has been introduced in Ambari 2.0
and we are missing something? This worked in 1.7.0 without asking for a restart. 

If you do a downscale using Ambari UI the situation is more complicated - as is asks for restarting
all the services (push down the whole stack). 

Same for HBase Master.

For upscales there is no complaint on the UI. 



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