[jira] [Assigned] (HIVE-3996) Correctly enforce the memory limit on the multi-table map-join

2018-02-03 Thread Vikram Dixit K (JIRA)

 [ 
https://issues.apache.org/jira/browse/HIVE-3996?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Vikram Dixit K reassigned HIVE-3996:


Assignee: Vikram Dixit K  (was: zgl)

> Correctly enforce the memory limit on the multi-table map-join
> --
>
> Key: HIVE-3996
> URL: https://issues.apache.org/jira/browse/HIVE-3996
> Project: Hive
>  Issue Type: Improvement
>  Components: Query Processor
>Affects Versions: 0.11.0
>Reporter: Vikram Dixit K
>Assignee: Vikram Dixit K
>Priority: Major
> Fix For: 0.11.0
>
> Attachments: HIVE-3996.patch, HIVE-3996_2.patch, HIVE-3996_3.patch, 
> HIVE-3996_4.patch, HIVE-3996_5.patch, HIVE-3996_6.patch, HIVE-3996_7.patch, 
> HIVE-3996_8.patch, HIVE-3996_9.patch, hive.3996.9.patch-nohcat
>
>
> Currently with HIVE-3784, the joins are converted to map-joins based on 
> checks of the table size against the config variable: 
> hive.auto.convert.join.noconditionaltask.size. 
> However, the current implementation will also merge multiple mapjoin 
> operators into a single task regardless of whether the sum of the table sizes 
> will exceed the configured value.



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[jira] [Assigned] (HIVE-3996) Correctly enforce the memory limit on the multi-table map-join

2018-02-03 Thread zgl (JIRA)

 [ 
https://issues.apache.org/jira/browse/HIVE-3996?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

zgl reassigned HIVE-3996:
-

Assignee: zgl  (was: Vikram Dixit K)

> Correctly enforce the memory limit on the multi-table map-join
> --
>
> Key: HIVE-3996
> URL: https://issues.apache.org/jira/browse/HIVE-3996
> Project: Hive
>  Issue Type: Improvement
>  Components: Query Processor
>Affects Versions: 0.11.0
>Reporter: Vikram Dixit K
>Assignee: zgl
>Priority: Major
> Fix For: 0.11.0
>
> Attachments: HIVE-3996.patch, HIVE-3996_2.patch, HIVE-3996_3.patch, 
> HIVE-3996_4.patch, HIVE-3996_5.patch, HIVE-3996_6.patch, HIVE-3996_7.patch, 
> HIVE-3996_8.patch, HIVE-3996_9.patch, hive.3996.9.patch-nohcat
>
>
> Currently with HIVE-3784, the joins are converted to map-joins based on 
> checks of the table size against the config variable: 
> hive.auto.convert.join.noconditionaltask.size. 
> However, the current implementation will also merge multiple mapjoin 
> operators into a single task regardless of whether the sum of the table sizes 
> will exceed the configured value.



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