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https://issues.apache.org/jira/browse/HBASE-20501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16488469#comment-16488469
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Sean Busbey commented on HBASE-20501:
-------------------------------------
Release note:
{code}
<!-- markdown -->
HBase is no longer able to maintain compatibility with Apache Hadoop versions
that are no longer receiving updates. This release raises the minimum supported
version to Hadoop 2.7.1. Downstream users are strongly advised to upgrade to
the latest Hadoop 2.7 maintenance release.
Downstream users of earlier HBase versions are similarly advised to upgrade to
Hadoop 2.7.1+. When doing so, it is especially important to follow the guidance
from [the HBase Reference Guide's Hadoop
section](http://hbase.apache.org/book.html#hadoop) on replacing the Hadoop
artifacts bundled with HBase.
{code}
> Change the Hadoop minimum version to 2.7.1
> ------------------------------------------
>
> Key: HBASE-20501
> URL: https://issues.apache.org/jira/browse/HBASE-20501
> Project: HBase
> Issue Type: Task
> Components: community, documentation
> Reporter: Andrew Purtell
> Assignee: Sean Busbey
> Priority: Blocker
> Fix For: 1.5.0
>
> Attachments: HBASE-20501.0.patch
>
>
> See discussion thread on dev@ "[DISCUSS] Branching for HBase 1.5 and Hadoop
> minimum version update (to 2.7)"
> Consensus
> * This is a needed change due to the practicalities of having Hadoop as a
> dependency
> * Let's move up the minimum supported version of Hadoop to 2.7.1.
> * Update documentation (support matrix, compatibility discussion) to call
> this out.
> * Be sure to call out this change in the release notes.
> * Take the opportunity to remind users about our callout "Replace the Hadoop
> Bundled With HBase!" recommending users upgrade their Hadoop if < 2.7.1.
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