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Posted to issues@hive.apache.org by "Ádám Szita (Jira)" <ji...@apache.org> on 2020/11/11 16:17:00 UTC

[jira] [Work started] (HIVE-23197) Implement selective purge for LRFU

     [ https://issues.apache.org/jira/browse/HIVE-23197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HIVE-23197 started by Ádám Szita.
-----------------------------------------
> Implement selective purge for LRFU
> ----------------------------------
>
>                 Key: HIVE-23197
>                 URL: https://issues.apache.org/jira/browse/HIVE-23197
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Ádám Szita
>            Assignee: Ádám Szita
>            Priority: Major
>
> Add eviction functionality parts of proactive caching on daemon side. Cache policies that want to support proactive eviction will have to implement a selective kind of purging, where only the buffers that were marked for proactive eviction get removed from the policy's data structure and get deallocated from the cache itself.



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