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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-16208) Vectorization: ProcessingModeHashAggregate::sumBatchSize is never reset
Date Thu, 23 Mar 2017 17:48:42 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16208?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gopal V updated HIVE-16208:
---------------------------
    Fix Version/s: 2.2.0

> Vectorization: ProcessingModeHashAggregate::sumBatchSize is never reset
> -----------------------------------------------------------------------
>
>                 Key: HIVE-16208
>                 URL: https://issues.apache.org/jira/browse/HIVE-16208
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 2.2.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>            Priority: Minor
>             Fix For: 2.2.0
>
>         Attachments: HIVE-16208.1.patch
>
>
> When processing >2x the hash-table size in the vectorized group-by, the check for
fall-back to streaming is wrong because {{sumBatchSize*minReduction}} is not reset when processing
the next split.



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