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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/51906/
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Review request for Ambari, Balázs Bence Sári, Jayush Luniya, Sumit Mohanty, and 
Sebastian Toader.


Bugs: AMBARI-18349
    https://issues.apache.org/jira/browse/AMBARI-18349


Repository: ambari


Description
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A. Add `role_command_order.json` to make sure name node, node manager, resource 
manager are started before running Microsoft R service check
B. Create `/user/RevoShare` on HDFS if necessary when starting services


Diffs
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ambari-server/src/main/resources/stacks/HDP/2.0.6/hooks/before-START/scripts/shared_initialization.py
 ba9c8fb 
  
contrib/management-packs/microsoft-r_mpack/src/main/resources/common-services/MICROSOFT_R/8.0.0/role_command_order.json
 PRE-CREATION 

Diff: https://reviews.apache.org/r/51906/diff/


Testing
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A. Role command order
   1. Install Ambari (trunk), add Microsoft R mpack, start Ambari
   2. Create cluster via web UI with HDFS, YARN, ZooKeeper, Microsoft R
   3. Verify name node, node manager, resource manager, data node are started 
before Microsoft R service check
   4. Verify stage_id for NAMENODE-START, NODEMANAGER-START, 
RESOURCEMANAGER-START are smaller than stage_id for 
MICROSOFT_R_SERVICE_CHECK-SERVICE_CHECK:
```
select request_id, stage_id, task_id, role, role_command from host_role_command 
order by request_id, stage_id, task_id;
```
B. RevoShare
   1. Install Ambari (trunk), add Microsoft R mpack, start Ambari
   2. Create cluster via blueprint with HDFS, YARN, ZooKeeper, Microsoft R
   3. Verify `/user/RevoShare` directory exists: `hdfs dfs -ls /user/`


Thanks,

Attila Doroszlai

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