Guoqiang Li created SPARK-3098:
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Summary: operation groupByKey get a wrong results
Key: SPARK-3098
URL: https://issues.apache.org/jira/browse/SPARK-3098
Project: Spark
Issue Type: Bug
Components: Spark Core
Reporter: Guoqiang Li
Priority: Blocker
Fix For: 1.0.1
I do not know how to reproduce the bug.
This is the case. When I was in operating 10 billion data by groupByKey. the
results error:
{noformat}
(4696501, 370568)
(4696501, 376672)
(4696501, 374880)
.....
(4696502, 350264)
(4696502, 358458)
(4696502, 398502)
......
{noformat}
=>
{noformat}
(4696501,ArrayBuffer(350264, 358458, 398502 ........)),
(4696502,ArrayBuffer(376621, ......))
{noformat}
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