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Posted to issues@impala.apache.org by "Tim Armstrong (JIRA)" <ji...@apache.org> on 2017/05/18 19:09:04 UTC

[jira] [Resolved] (IMPALA-3209) Optimize scanner memory usage and make scan nodes adhere to a memory constraint

     [ https://issues.apache.org/jira/browse/IMPALA-3209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Armstrong resolved IMPALA-3209.
-----------------------------------
    Resolution: Duplicate

> Optimize scanner memory usage and make scan nodes adhere to a memory constraint
> -------------------------------------------------------------------------------
>
>                 Key: IMPALA-3209
>                 URL: https://issues.apache.org/jira/browse/IMPALA-3209
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>    Affects Versions: Impala 2.5.0
>            Reporter: Dan Hecht
>            Assignee: Michael Ho
>              Labels: resource-management
>
> Scanner memory usage can grow quite large.  We should optimize scanner memory usage, and also make it possible to provide an upper bound on scan node memory usage.
> Just filing this to track what we've been talking about.



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