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https://issues.apache.org/jira/browse/HBASE-27743?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wellington Chevreuil updated HBASE-27743:
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Summary: Enhancements for the persistent cache (was: Update the list of
prefetched Hfiles upon block eviction)
> Enhancements for the persistent cache
> -------------------------------------
>
> Key: HBASE-27743
> URL: https://issues.apache.org/jira/browse/HBASE-27743
> Project: HBase
> Issue Type: Bug
> Components: BucketCache
> Reporter: Shanmukha Haripriya Kota
> Assignee: Shanmukha Haripriya Kota
> Priority: Major
>
> Currently, we maintain a list of Hfiles on disk for which prefetch is
> complete and avoid prefetching those files after a restart. But we don't
> handle cases where blocks are evicted from the cache or when the region is
> moved and the blocks from that region are evicted (or not evicted). The Hfile
> is kept in the prefetch list forever and over time the prefetch list would
> have all the files of the cluster and the prefetch would never be executed.
> This change aims to update the prefetched list of HFiles upon block eviction.
>
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