Aljoscha Krettek created FLINK-6188:
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Summary: Some setParallelism() method can't cope with default
parallelism
Key: FLINK-6188
URL: https://issues.apache.org/jira/browse/FLINK-6188
Project: Flink
Issue Type: Bug
Components: DataStream API
Affects Versions: 1.2.1
Reporter: Aljoscha Krettek
Fix For: 1.2.1
Recent changes done for FLINK-5808 move default parallelism manifestation from
eager to lazy, that is, the parallelism of operations that don't have an
explicit parallelism is only set when generating the JobGraph. Some
`setParallelism()` calls, such as `SingleOutputStreamOperator.setParallelism()`
cannot deal with the fact that the parallelism of an operation might be {{-1}}
(which indicates that it should take the default parallelism when generating
the JobGraph).
We should either revert the changes that fixed another user-facing bug for
version 1.2.1 or fix the methods.
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