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From "Chun Chang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-3900) OOM with Hive native scan enabled on TPCH-100 parquet, query 05.q
Date Tue, 06 Oct 2015 17:28:27 GMT
Chun Chang created DRILL-3900:
---------------------------------

             Summary: OOM with Hive native scan enabled on TPCH-100 parquet, query 05.q
                 Key: DRILL-3900
                 URL: https://issues.apache.org/jira/browse/DRILL-3900
             Project: Apache Drill
          Issue Type: Bug
          Components: Functions - Hive
    Affects Versions: 1.2.0
            Reporter: Chun Chang


TPCH-100 parquet dataset. Configure Hive 1.0 pointing to the parquet files as external tables.
Enable Hive native scan.

{noformat}
alter system set `store.hive.optimize_scan_with_native_readers`=true;
{noformat}

Run TPCH query 05 through Hive, drillbit runs out of memory. Same query goes through dfs completes
successfully. (Disable hive native scan, drill also runs out of memory through hive.)

We expect with hive native scan turned on, query should finish.



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