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Posted to issues@hive.apache.org by "Prasanth Jayachandran (JIRA)" <ji...@apache.org> on 2016/05/25 02:08:12 UTC

[jira] [Updated] (HIVE-13841) Orc split generation returns different strategies with cache enabled vs disabled

     [ https://issues.apache.org/jira/browse/HIVE-13841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Prasanth Jayachandran updated HIVE-13841:
-----------------------------------------
    Attachment: HIVE-13841.1.patch

[~sershe] Can you please take a look?

> Orc split generation returns different strategies with cache enabled vs disabled
> --------------------------------------------------------------------------------
>
>                 Key: HIVE-13841
>                 URL: https://issues.apache.org/jira/browse/HIVE-13841
>             Project: Hive
>          Issue Type: Bug
>          Components: ORC
>    Affects Versions: 2.1.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>         Attachments: HIVE-13841.1.patch
>
>
> Split strategy chosen by OrcInputFormat should not change when enabling or disabling footer cache. Currently if footer cache is disabled minSplits in OrcInputFormat.Context will be set to -1 which is used during determination of split strategies. minSplits should be set to requested value or some default instead of cache size



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