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https://issues.apache.org/jira/browse/OAK-5954?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Davide Giannella closed OAK-5954.
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Bulk close for 1.7.0
> Unify and simplify the deduplication caches
> --------------------------------------------
>
> Key: OAK-5954
> URL: https://issues.apache.org/jira/browse/OAK-5954
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: segment-tar
> Reporter: Michael Dürig
> Assignee: Michael Dürig
> Labels: monitoring, refactoring, technical_debt
> Fix For: 1.7.0, 1.8
>
>
> As a preparation to enable better monitoring and add more precise monitoring
> probes to the deduplication caches I would like to unify their interfaces and
> simplify their setup.
> * Don't expose the cache statistics via the {{FileStore}} and leverage the
> the {{FileStoreBuilder}} instead for this.
> * All deduplication caches should implement a unified {{Cache}} interface to
> simplify wrapping them (e.g. for additional access statistics collection).
> * Replace the ad-hoc collection of cache statistics in the {{NodeWriteStats}}
> inner class of the {{SegmentWriter}} and replace it with a more structured
> approach.
> * Expose additional cache access statistics via Metrics.
> * The additional statistics should discriminate caches access occurring as
> regular writes from such occurring during compaction.
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