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https://issues.apache.org/jira/browse/JCR-2216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcel Reutegger updated JCR-2216:
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Status: Patch Available (was: Open)
Initial patch.
Comments welcome.
> Append-only index updates
> -------------------------
>
> Key: JCR-2216
> URL: https://issues.apache.org/jira/browse/JCR-2216
> Project: Jackrabbit Content Repository
> Issue Type: Improvement
> Components: jackrabbit-core
> Reporter: Marcel Reutegger
> Attachments: JCR-2216.patch
>
>
> Currently index updates modify some existing files. This is troublesome in
> scenarios like a backup or when an index will be shared in a cluster (though
> this is not yet the case).
> Requirements are:
> - index segments need a custom (lucene) IndexDeletionPolicy to keep index
> commits for a given time.
> - index segments are not only referenced by their name, but also with their
> generation
> - the segments file must now also record the generation of a segment. the
> file itself must be generational itself.
> - purging of outdated index segment commits
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