Github user aljoscha commented on the issue:
https://github.com/apache/flink/pull/4241
Also, for actually doing the changes I suggest separate steps, i.e.
separate commits. With possibly separate PRs to make reviewing easier and to
make the changes more isolated:
- Rename `StreamConfig` to `StreamTaskConfig` and make it serialisable,
instead of relying on an underlying `Configuration`. This means that the
`StreamTaskConfig` itself has fields for storing settings.
- Introduce `OperatorConfig` and move only those fields that the operator
should see from `StreamTaskConfig` to `OperatorConfig`. Initialize the operator
with an `OperatorConfig`.
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