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https://issues.apache.org/jira/browse/SQOOP-1622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14184180#comment-14184180
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Gwen Shapira commented on SQOOP-1622:
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I'm not sure I see what problem this patch solves.
Currently the number of reducers is configurable. Why do we want to hard-code
it to 1?
> Copying from staging table should be in single transaction for pg_bulkload
> connector
> ------------------------------------------------------------------------------------
>
> Key: SQOOP-1622
> URL: https://issues.apache.org/jira/browse/SQOOP-1622
> Project: Sqoop
> Issue Type: Improvement
> Components: connectors/postgresql
> Affects Versions: 1.4.5
> Reporter: Masatake Iwasaki
> Assignee: Masatake Iwasaki
>
> PGBulkloadExportReducer#reduce may be called per map task because the map
> output key is unique ID of map task. Each reduce tasks should do copying from
> staging table in single transaction.
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