You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@hive.apache.org by "Sahil Takiar (JIRA)" <ji...@apache.org> on 2017/09/08 16:40:00 UTC

[jira] [Commented] (HIVE-17486) Enable SharedWorkOptimizer in tez on HOS

    [ https://issues.apache.org/jira/browse/HIVE-17486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16158893#comment-16158893 ] 

Sahil Takiar commented on HIVE-17486:
-------------------------------------

Is the {{SharedWorkOptimizer}} different from HoS's {{CombineEquivalentWorkResolver}}?

> Enable SharedWorkOptimizer in tez on HOS
> ----------------------------------------
>
>                 Key: HIVE-17486
>                 URL: https://issues.apache.org/jira/browse/HIVE-17486
>             Project: Hive
>          Issue Type: Bug
>            Reporter: liyunzhang_intel
>            Assignee: liyunzhang_intel
>
> in HIVE-16602, Implement shared scans with Tez.
> Given a query plan, the goal is to identify scans on input tables that can be merged so the data is read only once. Optimization will be carried out at the physical level.



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)