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https://issues.apache.org/jira/browse/MAPREDUCE-685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12728071#action_12728071
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Tom White commented on MAPREDUCE-685:
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The latest patch no longer applies. Can you please regenerate it Aaron?
> Sqoop will fail with OutOfMemory on large tables using mysql
> ------------------------------------------------------------
>
> Key: MAPREDUCE-685
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-685
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/sqoop
> Reporter: Aaron Kimball
> Assignee: Aaron Kimball
> Attachments: MAPREDUCE-685.patch, MAPREDUCE-685.patch.2
>
>
> The default MySQL JDBC client behavior is to buffer the entire ResultSet in
> the client before allowing the user to use the ResultSet object. On large
> SELECTs, this can cause OutOfMemory exceptions, even when the client intends
> to close the ResultSet after reading only a few rows. The MySQL ConnManager
> should configure its connection to use row-at-a-time delivery of results to
> the client.
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