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From "Andrew Onischuk" <aonis...@hortonworks.com>
Subject Review Request 19229: Upgrade Issue with History Server in HDP 1.
Date Fri, 14 Mar 2014 18:34:53 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/19229/
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Review request for Ambari, Myroslav Papirkovskyy and Sid Wagle.


Bugs: AMBARI-5089
    https://issues.apache.org/jira/browse/AMBARI-5089


Repository: ambari


Description
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Upgrade Issue with History Server in HDP 1.

The following is the issue:

With new HDP 1 work History Server is being treated as a separate component - earlier it was
part of JobTracker start/stop/management. When users who are using HDP 1 and just upgrade
Ambari they will not have a History Server component. This will mean that in MR there will
nto be any History Server running. We need to find a way to make this seem less for the user.


Best would be add it to our DDL upgrade script where we add a new host componenet History
Server on the same host as the JobTracker. 

Feel free to evaluate and propose other solutions.


Diffs
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  ambari-server/src/main/java/org/apache/ambari/server/upgrade/UpgradeCatalog150.java f8a7a4f

  ambari-server/src/main/resources/stacks/HDP/1.3.2/services/MAPREDUCE/package/scripts/params.py
ac1e5ff 
  ambari-server/src/test/java/org/apache/ambari/server/upgrade/UpgradeCatalog150Test.java
6787e6a 

Diff: https://reviews.apache.org/r/19229/diff/


Testing
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Thanks,

Andrew Onischuk


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