[ https://issues.apache.org/jira/browse/HDFS-955?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Konstantin Shvachko updated HDFS-955:
-------------------------------------
Resolution: Fixed
Fix Version/s: 0.20.3
Hadoop Flags: [Reviewed]
Status: Resolved (was: Patch Available)
I just committed this.
> FSImage.saveFSImage can lose edits
> ----------------------------------
>
> Key: HDFS-955
> URL: https://issues.apache.org/jira/browse/HDFS-955
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 0.20.1, 0.21.0, 0.22.0
> Reporter: Todd Lipcon
> Assignee: Konstantin Shvachko
> Priority: Blocker
> Fix For: 0.20.3
>
> Attachments: FSStateTransition7.htm, hdfs-955-moretests.txt, hdfs-955-unittest.txt,
PurgeEditsBeforeImageSave.patch, saveNamespace-0.20.patch, saveNamespace-0.20.patch, saveNamespace-0.21.patch,
saveNamespace-0.21.patch, saveNamespace.patch, saveNamespace.patch, saveNamespace.patch, saveNamespace.patch,
saveNamespace.txt
>
>
> This is a continuation of a discussion from HDFS-909. The FSImage.saveFSImage function
(implementing dfsadmin -saveNamespace) can corrupt the NN storage such that all current edits
are lost.
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