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https://issues.apache.org/jira/browse/HDFS-6696?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang updated HDFS-6696:
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Attachment: hdfs-6696.001.patch
Thanks Mit, I assume you meant 0.23.11.
Patch attached. I found that branch-1 calls a different method to add paths,
and the rename function also needs to be called for UC files too. Added some
tests with some image+edits from 1.2.1 and 0.23.11. Patch was generated with
"git diff --binary".
> Name node cannot start if the path of a file under construction contains
> ".snapshot"
> ------------------------------------------------------------------------------------
>
> Key: HDFS-6696
> URL: https://issues.apache.org/jira/browse/HDFS-6696
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Kihwal Lee
> Assignee: Andrew Wang
> Priority: Blocker
> Attachments: hdfs-6696.001.patch
>
>
> Using {{-renameReserved}} to rename ".snapshot" in a pre-hdfs-snapshot
> feature fsimage during upgrade only works, if there is nothing under
> construction under the renamed directory. I am not sure whether it takes
> care of edits containing ".snapshot" properly.
> The workaround is to identify these directories and rename, then do
> {{saveNamespace}} before performing upgrade.
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