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From "Aman Sinha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-576) Add cost model for distribution and enable new plans
Date Tue, 06 May 2014 21:24:15 GMT

    [ https://issues.apache.org/jira/browse/DRILL-576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13991159#comment-13991159

Aman Sinha commented on DRILL-576:

I will upload an updated patch since I found that plans for some queries had distribution
where it was not required. 

> Add cost model for distribution and enable new plans
> ----------------------------------------------------
>                 Key: DRILL-576
>                 URL: https://issues.apache.org/jira/browse/DRILL-576
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Aman Sinha
>            Assignee: Aman Sinha
>         Attachments: 0001-Fix-DRILL-576-Cumulative-changes-for-Drill-costing-n.patch
> Add cost model for Drill to include distribution costs and enable new plans: 
>  - enable hash join and hash aggregate plans through the cost based comparison with existing
merge join and streaming aggregate plans. 
>  - allow creating join and aggregation plans with alternative distributions. 

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