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Posted to issues@impala.apache.org by "Tim Armstrong (Jira)" <ji...@apache.org> on 2019/10/21 21:55:00 UTC

[jira] [Resolved] (IMPALA-6267) MT Scanners do not check runtime filters per-file before processing each split

     [ https://issues.apache.org/jira/browse/IMPALA-6267?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Armstrong resolved IMPALA-6267.
-----------------------------------
    Resolution: Won't Do

> MT Scanners do not check runtime filters per-file before processing each split
> ------------------------------------------------------------------------------
>
>                 Key: IMPALA-6267
>                 URL: https://issues.apache.org/jira/browse/IMPALA-6267
>             Project: IMPALA
>          Issue Type: Sub-task
>          Components: Backend
>    Affects Versions: Impala 2.10.0
>            Reporter: Tim Armstrong
>            Priority: Major
>              Labels: perf
>
> The old implementation of HdfsScanNode re-checks partition filters per scan range in HdfsScanNode::ProcessSplit() before processing each scan range. HdfsScanNodeMt does not have similar logic.



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