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https://issues.apache.org/jira/browse/HIVE-13343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15276909#comment-15276909
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Vikram Dixit K commented on HIVE-13343:
---------------------------------------
It looks like many of the diffs are about slightly varying explain plans. I
don't believe they are because of my changes.
{code}
- COLUMN_STATS_ACCURATE
{"COLUMN_STATS":{"key":"true","value":"true"},"BASIC_STATS":"true"}
+ COLUMN_STATS_ACCURATE
{"BASIC_STATS":"true","COLUMN_STATS":{"key":"true","value":"true"}}
{code}
> Need to disable hybrid grace hash join in llap mode except for dynamically
> partitioned hash join
> ------------------------------------------------------------------------------------------------
>
> Key: HIVE-13343
> URL: https://issues.apache.org/jira/browse/HIVE-13343
> Project: Hive
> Issue Type: Bug
> Components: llap
> Affects Versions: 2.1.0
> Reporter: Vikram Dixit K
> Assignee: Vikram Dixit K
> Attachments: HIVE-13343.1.patch, HIVE-13343.2.patch,
> HIVE-13343.3.patch, HIVE-13343.4.patch, HIVE-13343.5.patch
>
>
> Due to performance reasons, we should disable use of hybrid grace hash join
> in llap when dynamic partition hash join is not used. With dynamic partition
> hash join, we need hybrid grace hash join due to the possibility of skews.
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