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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-2233) Support both Hadoop 0.20, 0.21, and 0.22
Date Thu, 09 Jun 2011 21:37:58 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13046828#comment-13046828
] 

stack commented on HBASE-2233:
------------------------------

OK.  Did a bit more testing first.  There may be some tests that need addressing if hadoop
0.22 is under hbase.  I think I got them all.  TestHSplitLog was the last one I was working
on; it seemed to have failing unit tests but coming back to it, they pass now (TestHFileOutputFormat
does not pass, not w/o reverting the avro version to that of hadoop 0.22).  Will create new
issues for tests that fail against hadoop 0.22.  Committed to TRUNK

Thanks for review Todd.

As said above we do not work against hadoop 0.21, not w/o backport of "HADOOP-7351  Regression:
HttpServer#getWebAppsPath used to be protected so subclasses could supply alternate webapps
path but it was made private by HADOOP-6461" and "HDFS-1948  Forward port 'hdfs-1520 lightweight
namenode operation to trigger lease recovery'"

> Support both Hadoop 0.20, 0.21, and 0.22
> ----------------------------------------
>
>                 Key: HBASE-2233
>                 URL: https://issues.apache.org/jira/browse/HBASE-2233
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Jean-Daniel Cryans
>            Assignee: stack
>            Priority: Critical
>             Fix For: 0.92.0
>
>         Attachments: 2233-v2.txt, 2233-v3.txt, 2233-v4.txt, 2233-v5.txt, 2233.txt, pom.to.go.against.hadoop.trunk.txt
>
>
> Since Hadoop 0.21 isn't going to be well supported and that a lot of users may wish to
stick on 0.20, the next HBase major release should support both 0.20 and 0.21. 
> HDFS-265 support will be swapped for HDFS-200 if running on HDFS 0.20. A cluster without
that patchset shouldn't be supported.

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