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https://issues.apache.org/jira/browse/LUCENE-2446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13955073#comment-13955073
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Michael McCandless commented on LUCENE-2446:
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+1, this looks wonderful; it gives us end-to-end checksums, like ZFS.
This means, when there is a checksum mis-match, we can be quite certain that
there's a hardware problem (bit flipper) in the user's env, and not a Lucene
bug.
> Add checksums to Lucene segment files
> -------------------------------------
>
> Key: LUCENE-2446
> URL: https://issues.apache.org/jira/browse/LUCENE-2446
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/index
> Reporter: Lance Norskog
> Labels: checksum
> Attachments: LUCENE-2446.patch
>
>
> It would be useful for the different files in a Lucene index to include
> checksums. This would make it easy to spot corruption while copying index
> files around; the various cloud efforts assume many more data-copying
> operations than older single-index implementations.
> This feature might be much easier to implement if all index files are created
> in a sequential fashion. This issue therefore depends on [LUCENE-2373].
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