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Posted to issues@impala.apache.org by "Andrew Sherman (JIRA)" <ji...@apache.org> on 2019/03/12 00:35:00 UTC

[jira] [Resolved] (IMPALA-8279) Revert IMPALA-6658 to avoid ETL performance regression

     [ https://issues.apache.org/jira/browse/IMPALA-8279?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Sherman resolved IMPALA-8279.
------------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 3.3.0

> Revert IMPALA-6658 to avoid ETL performance regression
> ------------------------------------------------------
>
>                 Key: IMPALA-8279
>                 URL: https://issues.apache.org/jira/browse/IMPALA-8279
>             Project: IMPALA
>          Issue Type: Bug
>            Reporter: Andrew Sherman
>            Assignee: Andrew Sherman
>            Priority: Major
>             Fix For: Impala 3.3.0
>
>
> The fix for IMPALA-6658 seems to cause a measurable regression on 
> {quote}
> use tpcds;
> create TABLE store_sales_unpart stored as parquet as SELECT * FROM tpcds.store_sales;
> INSERT OVERWRITE TABLE store_sales_unpart SELECT * FROM store_sales;
> {quote}
> Revert the change to avoid the regression.



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