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https://issues.apache.org/jira/browse/HDFS-6563?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron T. Myers updated HDFS-6563:
---------------------------------
Resolution: Fixed
Fix Version/s: 2.5.0
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Thanks again for the review, Jing.
I've just committed this to trunk and branch-2.
> NameNode cannot save fsimage in certain circumstances when snapshots are in
> use
> -------------------------------------------------------------------------------
>
> Key: HDFS-6563
> URL: https://issues.apache.org/jira/browse/HDFS-6563
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode, snapshots
> Affects Versions: 2.4.0
> Reporter: Aaron T. Myers
> Assignee: Aaron T. Myers
> Priority: Critical
> Fix For: 2.5.0
>
> Attachments: HDFS-6563.patch
>
>
> Checkpoints will start to fail and the NameNode will not be able to manually
> saveNamespace if the following set of steps occurs:
> # A zero-length file appears in a snapshot
> # That file is later lengthened to include at least one block
> # That file is subsequently deleted from the present file system but remains
> in the snapshot
> More details in the first comment.
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