[jira] [Updated] (HBASE-27313) Persist list of Hfiles names for which prefetch is done

["Shanmukha Haripriya Kota (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-27313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shanmukha Haripriya Kota updated HBASE-27313:
---------------------------------------------
    Status: Patch Available  (was: In Progress)

> Persist list of Hfiles names for which prefetch is done
> -------------------------------------------------------
>
>                 Key: HBASE-27313
>                 URL: https://issues.apache.org/jira/browse/HBASE-27313
>             Project: HBase
>          Issue Type: Improvement
>          Components: BucketCache
>            Reporter: Shanmukha Haripriya Kota
>            Assignee: Shanmukha Haripriya Kota
>            Priority: Major
>
> Persist list of Hfiles names for which prefetch is completed when persist for in-memory bucket cache mapping state is enabled.
> We need to persist the Set, which contains a list of all the HFiles for which the prefetch has completed along with the In-memory state of the bucket cache so that when we restart and if any prefetch is scheduled again for the same HFile and we already have the in-memory state retrieved, we can skip the prefetch for it.



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