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https://issues.apache.org/jira/browse/LUCENE-2446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13955154#comment-13955154
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Robert Muir commented on LUCENE-2446:
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I don't want to do this Uwe. I dont want all this checkindex stuff being run at
merge. A big point here is to provide an option to prevent detection on merge.
If you read my description I am unhappy about the current situation because it
cannot be enabled by default for performance reasons. I want to fix the codec
apis so this is no longer the case. I don't want checkindex code moved into
this method.
> 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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