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https://issues.apache.org/jira/browse/HDFS-5709?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron T. Myers updated HDFS-5709:
---------------------------------
Resolution: Fixed
Fix Version/s: 2.4.0
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
I've just committed this to trunk and branch-2.
Thanks a lot for the contribution, Andrew. Thanks also to Jing and Suresh for
the reviews and discussion.
> Improve NameNode upgrade with existing reserved paths and path components
> -------------------------------------------------------------------------
>
> Key: HDFS-5709
> URL: https://issues.apache.org/jira/browse/HDFS-5709
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 3.0.0, 2.2.0
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Labels: snapshots, upgrade
> Fix For: 2.4.0
>
> Attachments: hdfs-5709-1.patch, hdfs-5709-2.patch, hdfs-5709-3.patch,
> hdfs-5709-4.patch, hdfs-5709-5.patch, hdfs-5709-6.patch, hdfs-5709-7.patch
>
>
> Right now in trunk, upgrade fails messily if the old fsimage or edits refer
> to a directory named ".snapshot". We should at least print a better error
> message (which I believe was the original intention in HDFS-4666), and [~atm]
> proposed automatically renaming these files and directories.
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