hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Jason Dere (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-16553) Change default value for hive.tez.bigtable.minsize.semijoin.reduction
Date Fri, 28 Apr 2017 03:52:04 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16553?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jason Dere updated HIVE-16553:
------------------------------
    Attachment: HIVE-16553.1.patch

Whoops, didn't post the patch! posting now

> Change default value for hive.tez.bigtable.minsize.semijoin.reduction
> ---------------------------------------------------------------------
>
>                 Key: HIVE-16553
>                 URL: https://issues.apache.org/jira/browse/HIVE-16553
>             Project: Hive
>          Issue Type: Bug
>          Components: Configuration
>            Reporter: Jason Dere
>            Assignee: Jason Dere
>         Attachments: HIVE-16553.1.patch
>
>
> Current value is 1M rows, would like to bump this up to make sure we are not creating
semjoin optimizations on dimension tables, since having too many semijoin optimizations can
cause serialized execution of tasks if lots of tasks are waiting for semijoin optimizations
to be computed.



--
This message was sent by Atlassian JIRA
(v6.3.15#6346)

Mime
View raw message