[jira] [Commented] (IMPALA-7353) Fix bogus too-high memory estimates

["Tim Armstrong (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IMPALA-7353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16664331#comment-16664331 ] 

Tim Armstrong commented on IMPALA-7353:
---------------------------------------

DataSourceScanNode is the only one left per Bikram.

> Fix bogus too-high memory estimates
> -----------------------------------
>
>                 Key: IMPALA-7353
>                 URL: https://issues.apache.org/jira/browse/IMPALA-7353
>             Project: IMPALA
>          Issue Type: Sub-task
>          Components: Frontend
>            Reporter: Tim Armstrong
>            Assignee: Bikramjeet Vig
>            Priority: Major
>              Labels: resource-management
>
> Some operators have bogus memory estimates that are probably way too high. We should adjust them to be a little more realistic.
> E.g. in HBaseScanNode:
> {code}
>   @Override
>   public void computeNodeResourceProfile(TQueryOptions queryOptions) {
>     // TODO: What's a good estimate of memory consumption?
>     nodeResourceProfile_ =  ResourceProfile.noReservation(1024L * 1024L * 1024L);
>   }
> {code}



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