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Aman Sinha commented on DRILL-576:
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Uploaded an updated patch after fixing a few issues and adding diagnostic information.
> 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,
0002-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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