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Chetan Mehrotra updated OAK-4943:
---------------------------------
Fix Version/s: (was: 1.6)
1.8
> 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
> Reporter: Ian Boston
> Assignee: Chetan Mehrotra
> Fix For: 1.8
>
>
> 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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