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https://issues.apache.org/jira/browse/HDFS-5988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang updated HDFS-5988:
------------------------------
Resolution: Fixed
Fix Version/s: 2.4.0
Status: Resolved (was: Patch Available)
Committed to trunk, branch-2, branch-2.4. Thanks for the quick +1 Jing!
> Bad fsimage always generated after upgrade
> ------------------------------------------
>
> Key: HDFS-5988
> URL: https://issues.apache.org/jira/browse/HDFS-5988
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.4.0
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Priority: Blocker
> Fix For: 2.4.0
>
> Attachments: hdfs-5988-1.patch
>
>
> Internal testing revealed an issue where, after upgrading from an earlier
> release, we always fail to save a correct PB-based fsimage (namely, missing
> inodes leading to an inconsistent namespace). This results in substantial
> data loss, since the upgraded fsimage is broken, as well as the fsimages
> generated by saveNamespace and checkpointing.
> This ended up being a bug in the old fsimage loading code, patch coming.
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