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https://reviews.apache.org/r/67699/
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Review request for Sqoop.
Bugs: SQOOP-3336
https://issues.apache.org/jira/browse/SQOOP-3336
Repository: sqoop-trunk
Description
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Running an import with -m 2 will result in three splits if there are only three
consecutive integers in the table ({1, 2, 3}).
Work is (probably) spread more evenly between mappers this way, but ending up
with more files than expected could be an issue.
Split-limit can also result in more values than asked for in the last chunk
(due to the closed interval in the end).
Diffs
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src/docs/user/import.txt 2d074f49
src/java/org/apache/sqoop/mapreduce/db/IntegerSplitter.java 22c18e25
src/test/org/apache/sqoop/mapreduce/db/TestIntegerSplitter.java b43fc41f
Diff: https://reviews.apache.org/r/67699/diff/1/
Testing
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Corrected some tests that were flawed before and added new tests for the above
mentioned (-m 2) case.
ran normal UTs and thirdparties
Thanks,
daniel voros
