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https://issues.apache.org/jira/browse/HDFS-15463?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz-wo Sze updated HDFS-15463:
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Description:
Due to some snapshot related bugs, a fsimage may become corrupted. Using a
corrupted fsimage may further result in data loss.
In some cases, we found that reference counts are incorrect in some corrupted
FsImage. One of the goals of the validation tool is to check reference counts.
was:
In some cases, we found that reference counts in some corrupted FsImage
> Add a tool to validate FsImage
> ------------------------------
>
> Key: HDFS-15463
> URL: https://issues.apache.org/jira/browse/HDFS-15463
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: namenode
> Reporter: Tsz-wo Sze
> Assignee: Tsz-wo Sze
> Priority: Major
>
> Due to some snapshot related bugs, a fsimage may become corrupted. Using a
> corrupted fsimage may further result in data loss.
> In some cases, we found that reference counts are incorrect in some corrupted
> FsImage. One of the goals of the validation tool is to check reference
> counts.
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