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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13339) Update default Hadoop version to 2.6.0
Date Thu, 26 Mar 2015 22:22:54 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14382814#comment-14382814
] 

Andrew Purtell commented on HBASE-13339:
----------------------------------------

I've heard Hadoop 2.6 should have been 3.0. There has not been a Hadoop release from trunk
for years now, so they've shoehorned breaking changes into "minor" versions. There are two
practical outcomes of this:
# We upgrade Hadoop 2.x to x > whatever, but this can break the world at any minor Hadoop
bump, so we cannot promise dependency compatibility nor even Hadoop compatibility really (remember
2.1?) :-(
# We draw the lines that Hadoop won't or can't. 
Any more? If not, we choose.

> Update default Hadoop version to 2.6.0
> --------------------------------------
>
>                 Key: HBASE-13339
>                 URL: https://issues.apache.org/jira/browse/HBASE-13339
>             Project: HBase
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 2.0.0, 1.1.0
>            Reporter: Elliott Clark
>            Assignee: Elliott Clark
>         Attachments: HBASE-13339.patch
>
>
> Current default Hadoop version is getting a little long in the tooth. We should update
to the latest version. The latest version is backwards compatible with 2.5.1's dfs and mr
so this should be painless.



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