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Posted to issues@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2018/06/12 07:11:00 UTC

[jira] [Commented] (HIVE-19866) improve LLAP cache purge

    [ https://issues.apache.org/jira/browse/HIVE-19866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16509275#comment-16509275 ] 

Gopal V commented on HIVE-19866:
--------------------------------

The tests show no more slow evictions - the purge is fast and it doesn't seem to be slowing down concurrent queries by much.

> improve LLAP cache purge
> ------------------------
>
>                 Key: HIVE-19866
>                 URL: https://issues.apache.org/jira/browse/HIVE-19866
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>            Priority: Major
>         Attachments: HIVE-19866.patch
>
>
> 1) Memory needs to be accounted for.
> 2) LRFU eviction doesn't need to maintain state between individual removals.



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