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https://issues.apache.org/jira/browse/HDFS-2686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13439636#comment-13439636
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Eli Collins commented on HDFS-2686:
-----------------------------------
Suresh, this change introduced a findbugs warning (didn't catch it in the
latest jenkins run). Filed HDFS-3837 with a fix, please review when you get a
sec.
Thanks,
Eli
> Remove DistributedUpgrade related code
> --------------------------------------
>
> Key: HDFS-2686
> URL: https://issues.apache.org/jira/browse/HDFS-2686
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: data-node, name-node
> Affects Versions: 1.0.0, 2.0.0-alpha
> Reporter: Todd Lipcon
> Assignee: Suresh Srinivas
> Fix For: 3.0.0, 2.2.0-alpha
>
> Attachments: HDFS-2686.patch, HDFS-2686.patch, HDFS-2686.patch,
> HDFS-2686.patch, HDFS-2686.patch, HDFS-2686.patch
>
>
> A distributed upgrade framework was introduced long ago in HADOOP-1286 but
> was only used twice throughout history, and not since 0.17, where it was
> considered buggy (see HADOOP-3677). This is a lot of clutter in our codebase
> - let's consider removing it?
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