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From "He Yongqiang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-2440) make hive mapper initialize faster when having tons of input files
Date Mon, 12 Sep 2011 21:21:09 GMT

     [ https://issues.apache.org/jira/browse/HIVE-2440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

He Yongqiang updated HIVE-2440:
-------------------------------

    Attachment: HIVE-2440.3.patch

removed childrenPaths from MapOp

> make hive mapper initialize faster when having tons of input files
> ------------------------------------------------------------------
>
>                 Key: HIVE-2440
>                 URL: https://issues.apache.org/jira/browse/HIVE-2440
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: He Yongqiang
>            Assignee: He Yongqiang
>         Attachments: HIVE-2440.1.patch, HIVE-2440.2.patch, HIVE-2440.3.patch
>
>
> when one hive job has tons of input files, a lot of mappers may fail because of slow
initialization.

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