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https://issues.apache.org/jira/browse/HDFS-1630?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hairong Kuang updated HDFS-1630:
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Status: Patch Available (was: Open)
> Checksum fsedits
> ----------------
>
> Key: HDFS-1630
> URL: https://issues.apache.org/jira/browse/HDFS-1630
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Attachments: editsChecksum.patch
>
>
> HDFS-903 calculates a MD5 checksum to a saved image, so that we could verify
> the integrity of the image at the loading time.
> The other half of the story is how to verify fsedits. Similarly we could use
> the checksum approach. But since a fsedit file is growing constantly, a
> checksum per file does not work. I am thinking to add a checksum per
> transaction. Is it doable or too expensive?
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