Hi team, I would request you to unsubscribe my account from these mailing lists.
Thanks, Matheswaran.S On Tue, Aug 14, 2018 at 6:00 AM Gopal V (JIRA) <j...@apache.org> wrote: > Gopal V created HIVE-20381: > ------------------------------ > > Summary: Vectorization: Reduce dedup of GroupBy + PTF turns > off vectorization > Key: HIVE-20381 > URL: https://issues.apache.org/jira/browse/HIVE-20381 > Project: Hive > Issue Type: Bug > Components: Vectorization > Affects Versions: 3.1.0, 4.0.0 > Reporter: Gopal V > > > One of the PTF Reducers in Query51 is not vectorized because there's a > reduce deduplication which combines a group-by and a windowing shuffle. > > {code} > | Reducer 8 | > | Execution mode: llap | > | Reduce Vectorization: | > | enabled: true | > | enableConditionsMet: > hive.vectorized.execution.reduce.enabled IS true, hive.execution.engine tez > IN [tez, spark] IS true | > | notVectorizedReason: PTF operator: Only PTF directly > under reduce-shuffle is supported | > | vectorized: false > {code} > > It vectorizes all PTF vertices (after HIVE-20367), with {{ set > hive.optimize.reducededuplication=false;}} > > > > -- > This message was sent by Atlassian JIRA > (v7.6.3#76005) >
