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From "Aman Sinha (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-1356) Query fails with null error when Planner Slice Target is set to below 1000
Date Thu, 02 Jul 2015 17:06:04 GMT

     [ https://issues.apache.org/jira/browse/DRILL-1356?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aman Sinha updated DRILL-1356:
------------------------------
    Assignee: Abhishek Girish  (was: Jacques Nadeau)

> Query fails with null error when Planner Slice Target is set to below 1000
> --------------------------------------------------------------------------
>
>                 Key: DRILL-1356
>                 URL: https://issues.apache.org/jira/browse/DRILL-1356
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Query Planning & Optimization
>            Reporter: Abhishek Girish
>            Assignee: Abhishek Girish
>             Fix For: 1.2.0
>
>         Attachments: Planner.slice_target LOG.rtf
>
>
> Queries: TPCH on HBase(MapR-DB)
> Scale Factor: 100 
> On setting planner.slice_target to 1 (or any value less than 1000), queries involving
SF100 tables fail with null error:
> Query failed: Failure while setting up query. null [6866917f-6fd3-4a29-89b0-efff0732c7dd]
> Error: exception while executing query: Failure while trying to get next result batch.
(state=,code=0)
> 0: jdbc:drill:zk=10.10.103.32:5181> alter session set `planner.slice_target` =100;
> LOG is attached. 
> The same query executes successfully when
>  - involves SF 1 tables
>  or 
> - planner.slice_target is set to a higher value. 
> Without setting the discussed parameter, SF100 queries take longer than usual to execute.




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