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https://issues.apache.org/jira/browse/HDFS-1822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13018642#comment-13018642
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Tsz Wo (Nicholas), SZE commented on HDFS-1822:
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Hey Allen, we are talking about Apache Hadoop trunk and Apache Hadoop
0.20-security. Fred's Bargain Basement Distribution of Apache Hadoop is out of
our picture.
For your question:
- Suppose it is neither an incompatible change nor introducing other bad
behaviors. Suppose also the original patch was submitted to Apache Hadoop. We
should accept it.
- On the other hand, if a patch is fixing a private distribution, we should not
accept it.
> Editlog opcodes overlap between 20 security and later releases
> --------------------------------------------------------------
>
> Key: HDFS-1822
> URL: https://issues.apache.org/jira/browse/HDFS-1822
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.21.0, 0.22.0, 0.23.0
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Priority: Blocker
> Fix For: 0.22.0, 0.23.0
>
> Attachments: HDFS-1822.patch
>
>
> Same opcode are used for different operations between 0.20.security, 0.22 and
> 0.23. This results in failure to load editlogs on later release, especially
> during upgrades.
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