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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5071) address HBase compatibility issues with trunk
Date Tue, 24 May 2016 01:38:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-5071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15297501#comment-15297501
] 

Sangjin Lee commented on YARN-5071:
-----------------------------------

I tried rebasing our branch with the current trunk, and I was able to build it cleanly and
all timeline service unit tests including the hbase ones pass FWIW. Thus, it appears we are
still doing OK with the current setup. FYI.

> address HBase compatibility issues with trunk
> ---------------------------------------------
>
>                 Key: YARN-5071
>                 URL: https://issues.apache.org/jira/browse/YARN-5071
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: YARN-2928
>            Reporter: Sangjin Lee
>            Assignee: Sangjin Lee
>            Priority: Critical
>              Labels: yarn-2928-1st-milestone
>
> The trunk is now adding or planning to add more and more backward-incompatible changes.
Some examples include
> - remove v.1 metrics classes (HADOOP-12504)
> - update jersey version (HADOOP-9613)
> - target java 8 by default (HADOOP-11858)
> This poses big challenges for the timeline service v.2 as we have a dependency on hbase
which depends on an older version of hadoop.
> We need to find a way to solve/contain/manage these risks before it is too late.



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