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https://reviews.apache.org/r/49594/
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Review request for Ambari, Andrew Onischuk, Dmitro Lisnichenko, and Vitalyi 
Brodetskyi.


Bugs: AMBARI-17552
    https://issues.apache.org/jira/browse/AMBARI-17552


Repository: ambari


Description
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Looks like we have a dependency mechanism in place due to which the newly added 
"Restart all Services" operation does not work as expected in some cases
Here is my scenario:
1. Deploy a cluster (HDP-2.4.2.0) with core services (HDFS, YARN, ZK, MR) and 
Ambari-2.4.0.0 (ambari-server-2.4.0.0-680.x86_64)
2. Add Spark, Hive, Tez, Pig to the cluster and let it finish
3. At the end of service addition, there is an icon against HDFS, YARN, MR 
indicating these three services need restart
4. Try 'Restart all Required' operation
Result:
Failures at ATS start, which aborts the whole restart operation.


Diffs
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  ambari-server/src/main/resources/stacks/HDP/2.0.6/role_command_order.json 
710b0dd 
  ambari-server/src/main/resources/stacks/HDP/2.1/role_command_order.json 
3adf5e1 

Diff: https://reviews.apache.org/r/49594/diff/


Testing
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Manual unit tests


Thanks,

Dmytro Sen

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