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https://issues.apache.org/jira/browse/LUCENE-6341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14352197#comment-14352197
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ASF subversion and git services commented on LUCENE-6341:
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Commit 1665065 from [~rcmuir] in branch 'dev/trunk'
[ https://svn.apache.org/r1665065 ]
LUCENE-6341: move CHANGES entry in trunk
> add CheckIndex -fast option
> ---------------------------
>
> Key: LUCENE-6341
> URL: https://issues.apache.org/jira/browse/LUCENE-6341
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Robert Muir
> Fix For: Trunk, 5.1
>
> Attachments: LUCENE-6341.patch
>
>
> CheckIndex is great for testing and when tracking down lucene bugs.
> But in cases where users just want to verify their index files are OK, it is
> very slow and expensive.
> I think we should add a -fast option, that only opens the reader and calls
> checkIntegrity(). This means all files are the correct files (identifiers
> match) and have the correct CRC32 checksums.
> For our 10M doc wikipedia index, this is the difference between a 2 second
> check and a 2 minute check.
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