Shanmukha Haripriya Kota created HBASE-27743:
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Summary: Update the list of prefetched Hfiles upon block eviction
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
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. 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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