Github user mjsax commented on the pull request:
https://github.com/apache/flink/pull/983#issuecomment-127680821
I just tried using `TypeSerializerOutputFormat` for a DataSet sink. There
is no error. The system only creates an empty file. How can I force the usage
of a file-channel (instead of network or in-memory chaining) between two
mappers?
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