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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-12255) Estimated task count should make use of SplitSizeEstimator
Date Thu, 19 Nov 2015 22:40:11 GMT

     [ https://issues.apache.org/jira/browse/HIVE-12255?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sergey Shelukhin updated HIVE-12255:
------------------------------------
    Fix Version/s:     (was: 2.0.0)

Removing fixed version (2.0) from Unresolved JIRA in preparation for the release. Please use
target version field instead (if not already set) if you think this should be shipped as part
of 2.0

> Estimated task count should make use of SplitSizeEstimator
> ----------------------------------------------------------
>
>                 Key: HIVE-12255
>                 URL: https://issues.apache.org/jira/browse/HIVE-12255
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Siddharth Seth
>
> Estimating the number of initial tasks for a query makes use of the size of the splits
being processed. This should consider the estimatedSize for columnar files when possible,
instead of the fixed size of the split.



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