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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1822) Editlog opcodes overlap between 20 security and later releases
Date Mon, 11 Apr 2011 22:25:06 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13018600#comment-13018600
] 

Suresh Srinivas commented on HDFS-1822:
---------------------------------------

There are releases using this in production. These releases are not off of Apache. We are
making explicit effort to make Apache the place for hadoop releases. In this transition, unfortunately
users have deployed other distributions. The *cost of fixing this is small*, the patch is
really not significant and it provides upgrade path for users to move to official Apache Hadoop
releases.

I understand that this is not a problem for LinkedIn. But it is for other folks. If you were
in that boat, not sure how you would have voted on this issue.

In this kind of voting, I think the community suffers. I accept the -1 and withdraw my changes.

> 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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