[jira] [Created] (FLINK-1141) Selfjoin fails after DataSet exceeds certain size

[Shang Yuanchun (Jira)]

Robert Waury created FLINK-1141:
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             Summary: Selfjoin fails after DataSet exceeds certain size
                 Key: FLINK-1141
                 URL: https://issues.apache.org/jira/browse/FLINK-1141
             Project: Flink
          Issue Type: Bug
          Components: Local Runtime
    Affects Versions: 0.6.1-incubating
         Environment: LocalExecutionEnvironment (dop=4)
            Reporter: Robert Waury
            Priority: Minor


As soon as a DataSet exceeds a certain size (1000000 tuples in my example) a Selfjoin with a FlatJoinFunction no longer works. After around a second the Join, DataSource and DataSink threads are all in Wait and don't perform any work (no output files are created) and the job never finishes.

If I cut the input size in half it works fine.

My current workaround is to create the DataSet twice and join the two identical DataSets.



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