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https://issues.apache.org/jira/browse/HDFS-11896?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16095409#comment-16095409
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Konstantin Shvachko commented on HDFS-11896:
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The patches look really good. But some test failures are definitely related to
the change. I was looking at TestDecommissioningStatus. Did not get into
details, but it looks like {{adminState}} is getting wiped out for dead nodes,
while dead nodes should remain decommissioned after death.
[~brahmareddy], so if you say it's harder to fix, we can go back to your
previous patch for trunk, and file a followup jira for code reuse? I may have
proposed a too radical change.
> Non-dfsUsed will be doubled on dead node re-registration in branch-2.7.
> -----------------------------------------------------------------------
>
> Key: HDFS-11896
> URL: https://issues.apache.org/jira/browse/HDFS-11896
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.7.3
> Reporter: Brahma Reddy Battula
> Assignee: Brahma Reddy Battula
> Labels: release-blocker
> Attachments: HDFS-11896-002.patch, HDFS-11896-003.patch,
> HDFS-11896-branch-2.7-001.patch, HDFS-11896-branch-2.7-002.patch,
> HDFS-11896-branch-2.7-003.patch, HDFS-11896.patch
>
>
> *Scenario:*
> i)Make you sure you've non-dfs data.
> ii) Stop Datanode
> iii) wait it becomes dead
> iv) now restart and check the non-dfs data
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