hive-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Prasanth Jayachandran (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-13821) OrcSplit groups all delta files together into a single split
Date Mon, 23 May 2016 20:09:13 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Prasanth Jayachandran updated HIVE-13821:
-----------------------------------------
    Attachment: HIVE-13821.2.patch

[~aechttpd] Added a unit test.

> OrcSplit groups all delta files together into a single split
> ------------------------------------------------------------
>
>                 Key: HIVE-13821
>                 URL: https://issues.apache.org/jira/browse/HIVE-13821
>             Project: Hive
>          Issue Type: Bug
>          Components: Transactions
>    Affects Versions: 2.1.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>            Priority: Critical
>         Attachments: HIVE-13821.1.patch, HIVE-13821.2.patch
>
>
> HIVE-7428 had fix for worst case column projection size estimate. It was removed in HIVE-10397
to return file length but for ACID strategy file length is passed as 0. In worst case, this
always return 0 and all files ends up in single split. 



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message