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https://issues.apache.org/jira/browse/HDFS-13314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16406429#comment-16406429
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Rushabh S Shah commented on HDFS-13314:
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bq. Impossible, as you will need to restart the standby to get any new
checkpoints. And it will fail to restart because the latest fsimage is bad.
I don't understand why it is impossible. Why do I need to restart the standby ?
> NameNode should optionally exit if it detects FsImage corruption
> ----------------------------------------------------------------
>
> Key: HDFS-13314
> URL: https://issues.apache.org/jira/browse/HDFS-13314
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Priority: Major
> Attachments: HDFS-13314.01.patch, HDFS-13314.02.patch
>
>
> The NameNode should optionally exit after writing an FsImage if it detects
> the following kinds of corruptions:
> # INodeReference pointing to non-existent INode
> # Duplicate entries in snapshot deleted diff list.
> This behavior is controlled via an undocumented configuration setting, and
> disabled by default.
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