[jira] [Updated] (HIVE-12325) Turn hive.map.groupby.sorted on by default

2016-03-28 Thread Lefty Leverenz (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HIVE-12325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lefty Leverenz updated HIVE-12325:
--
Labels:   (was: TODOC2.0)

> Turn hive.map.groupby.sorted on by default
> --
>
> Key: HIVE-12325
> URL: https://issues.apache.org/jira/browse/HIVE-12325
> Project: Hive
>  Issue Type: Improvement
>  Components: Logical Optimizer
>Reporter: Ashutosh Chauhan
>Assignee: Chetna Chaudhari
> Fix For: 2.0.0
>
> Attachments: HIVE-12325.1.patch
>
>
> When applicable it can avoid shuffle phase altogether for group by, which 
> will be a performance win. 



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[jira] [Updated] (HIVE-12325) Turn hive.map.groupby.sorted on by default

2015-11-06 Thread Lefty Leverenz (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HIVE-12325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Lefty Leverenz updated HIVE-12325:
--
Labels: TODOC2.0  (was: )

> Turn hive.map.groupby.sorted on by default
> --
>
> Key: HIVE-12325
> URL: https://issues.apache.org/jira/browse/HIVE-12325
> Project: Hive
>  Issue Type: Improvement
>  Components: Logical Optimizer
>Reporter: Ashutosh Chauhan
>Assignee: Chetna Chaudhari
>  Labels: TODOC2.0
> Fix For: 2.0.0
>
> Attachments: HIVE-12325.1.patch
>
>
> When applicable it can avoid shuffle phase altogether for group by, which 
> will be a performance win. 



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[jira] [Updated] (HIVE-12325) Turn hive.map.groupby.sorted on by default

2015-11-05 Thread Chetna Chaudhari (JIRA) 

 [ 
https://issues.apache.org/jira/browse/HIVE-12325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Chetna Chaudhari updated HIVE-12325:

Attachment: HIVE-12325.1.patch

Have removed {{hive.map.groupby.sorted.testmode}} and updated patch. Please 
review.

> Turn hive.map.groupby.sorted on by default
> --
>
> Key: HIVE-12325
> URL: https://issues.apache.org/jira/browse/HIVE-12325
> Project: Hive
>  Issue Type: Improvement
>  Components: Logical Optimizer
>Reporter: Ashutosh Chauhan
>Assignee: Chetna Chaudhari
> Attachments: HIVE-12325.1.patch
>
>
> When applicable it can avoid shuffle phase altogether for group by, which 
> will be a performance win. 



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