Github user mxm commented on the pull request:
https://github.com/apache/flink/pull/372#issuecomment-95880258
Yes, it should be simple for the user. It makes sense to have one print
method which just prints the output on the client. In addition, we could have
another *advanced* print method which prints a prefix and optionally the task
id.
- `print()`
- `print(String prefix, boolean includeParallelID)`
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