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https://issues.apache.org/jira/browse/OAK-4943?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Mueller resolved OAK-4943.
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Resolution: Won't Fix
> Keep Lucene Commits so that if the Segments file gets corrupted recovery can
> be attempted.
> ------------------------------------------------------------------------------------------
>
> Key: OAK-4943
> URL: https://issues.apache.org/jira/browse/OAK-4943
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: lucene
> Affects Versions: 1.6.0
> Reporter: Ian Boston
> Assignee: Chetan Mehrotra
> Priority: Major
>
> Currently, Lucene deletes all previous generations of the segments files as
> it has it uses the default IndexDeletionPolicy. Changing this to an
> IndexDeletionPolicy that keeps a number of previous segments files will allow
> an operator to find the most recent valid commit when the current segments
> file reports corruption. The patch found at
> https://github.com/apache/jackrabbit-oak/compare/trunk...ieb:KeepLuceneCommits
> keeps 10 previous commits.
> A more sophisticated policy could be used to save commits non-linearly over
> time.
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