Sqoop should allow users to control export parallelism
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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.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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