Stefan Richter created FLINK-5337:
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Summary: Introduce backwards compatible state to task assignment
Key: FLINK-5337
URL: https://issues.apache.org/jira/browse/FLINK-5337
Project: Flink
Issue Type: Sub-task
Reporter: Stefan Richter
Flink assigns state to tasks through either a) user defined uids or b) uids
generated through hashing certain properties of the StreamingJobGraph.
While method a) is backwards compatible, it can be tedious for the user. Method
b) easily breaks w.r.t. backwards compatibility under any changes to graph
generation, e.g. when removing chaining.
We should think about a backwards compatible way assigning state to tasks, that
hopefully works without explicit uid assignment by the user.
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