[jira] Resolved: (MAPREDUCE-1473) Sqoop should allow users to control export parallelism

["Aaron Kimball (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aaron Kimball resolved MAPREDUCE-1473.
--------------------------------------

    Resolution: Won't Fix

This is part of Sqoop which has been removed from the MapReduce project.

> Sqoop should allow users to control export parallelism
> ------------------------------------------------------
>
>                 Key: MAPREDUCE-1473
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1473
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/sqoop
>            Reporter: Aaron Kimball
>            Assignee: Aaron Kimball
>         Attachments: MAPREDUCE-1473.2.patch, MAPREDUCE-1473.patch
>
>
> Sqoop uses MapReduce jobs to export files back to a table in the database. The degree of parallelism is controlled by the number of splits; i.e., the number of input files used. The bottleneck in the system, though, is likely to be the database itself.
> Users should have the ability to tune the number of parallel exporters being used to a degree appropriate to their database deployment.

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