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Posted to issues-all@impala.apache.org by "Michael Ho (JIRA)" <ji...@apache.org> on 2019/06/25 00:52:00 UTC

[jira] [Assigned] (IMPALA-8691) Query hint for disabling data caching

     [ https://issues.apache.org/jira/browse/IMPALA-8691?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Ho reassigned IMPALA-8691:
----------------------------------

    Assignee: Michael Ho

> Query hint for disabling data caching
> -------------------------------------
>
>                 Key: IMPALA-8691
>                 URL: https://issues.apache.org/jira/browse/IMPALA-8691
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>    Affects Versions: Impala 3.3.0
>            Reporter: Michael Ho
>            Assignee: Michael Ho
>            Priority: Major
>
> IMPALA-8690 tracks the effort for a better eviction algorithm for the Impala's data cache. As a short term workaround, it would be nice to allow users to explicitly set certain tables as not cacheable via query hints or simply disable caching for a query via query options.



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