[jira] [Created] (HBASE-25771) Recommend Hadoop 3.x

["Wei-Chiu Chuang (Jira)" <ji...@apache.org>]

Wei-Chiu Chuang created HBASE-25771:
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             Summary: Recommend Hadoop 3.x
                 Key: HBASE-25771
                 URL: https://issues.apache.org/jira/browse/HBASE-25771
             Project: HBase
          Issue Type: Task
            Reporter: Wei-Chiu Chuang


We have this section in the hbase book:
{quote}
Hadoop 2.x is recommended.
Hadoop 2.x is faster and includes features, such as short-circuit reads (see Leveraging local data), which will help improve your HBase random read profile. Hadoop 2.x also includes important bug fixes that will improve your overall HBase experience. HBase does not support running with earlier versions of Hadoop. See the table below for requirements specific to different HBase versions.

Hadoop 3.x is still in early access releases and has not yet been sufficiently tested by the HBase community for production use cases.
{quote}

The Hadoop 2.x development is winding down. 2.10.x will be the last dev branch. On the contrary, we've got years of production users on Hadoop 3.x already so I think it's time to change our stance.



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