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Posted to issues-all@impala.apache.org by "Alex Rodoni (JIRA)" <ji...@apache.org> on 2018/06/12 15:40:00 UTC
[jira] [Closed] (IMPALA-6408) [DOCS] Description of "shuffle" hint
does not mention changes in IMPALA-3930
[ https://issues.apache.org/jira/browse/IMPALA-6408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alex Rodoni closed IMPALA-6408.
-------------------------------
Resolution: Fixed
Fix Version/s: Impala 3.1.0
Impala 2.13.0
> [DOCS] Description of "shuffle" hint does not mention changes in IMPALA-3930
> ----------------------------------------------------------------------------
>
> Key: IMPALA-6408
> URL: https://issues.apache.org/jira/browse/IMPALA-6408
> Project: IMPALA
> Issue Type: Bug
> Components: Docs
> Reporter: Csaba Ringhofer
> Assignee: Alex Rodoni
> Priority: Minor
> Fix For: Impala 2.13.0, Impala 3.1.0
>
>
> The change in IMPALA-3930 states that if only one partition is written (because all partitioning columns are constant or the target table is not partitioned), then the "shuffle" hint leads to a plan where all rows are merged at the coordinator where the table sink is executed.
> The documentation of the "shuffle" hint does not mention this behavior.
>
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