[
https://issues.apache.org/jira/browse/HIVE-17276?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Lefty Leverenz updated HIVE-17276:
----------------------------------
Labels: TODOC3.0 (was: )
> Check max shuffle size when converting to dynamically partitioned hash join
> ---------------------------------------------------------------------------
>
> Key: HIVE-17276
> URL: https://issues.apache.org/jira/browse/HIVE-17276
> Project: Hive
> Issue Type: Bug
> Components: Physical Optimizer
> Affects Versions: 3.0.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Labels: TODOC3.0
> Fix For: 3.0.0
>
> Attachments: HIVE-17276.01.patch, HIVE-17276.02.patch,
> HIVE-17276.03.patch, HIVE-17276.patch
>
>
> Currently we only check that the max number of entries in the hashmap for a
> MapJoin surpasses a certain threshold to decide whether to execute a
> dynamically partitioned hash join.
> We would like to factor the size of the large input that we will shuffle for
> the dynamically partitioned hash join into the cost model too.
--
This message was sent by Atlassian JIRA
(v6.4.14#64029)
