Yun Gao created FLINK-14521:
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Summary: CoLocationGroup is not set into JobVertex if the stream
node chained with others
Key: FLINK-14521
URL: https://issues.apache.org/jira/browse/FLINK-14521
Project: Flink
Issue Type: Bug
Components: API / DataStream
Affects Versions: 1.9.1, 1.9.0
Reporter: Yun Gao
StreamingJobGraphGenerator.isChainable dose not consider the coLocationGroup,
if A -> B is chained, the coLocationGroup of the corresponding JobVertex will
be set with that of the head node, namely A. Therefore, if B has declared
coLocationGroup but A does not, then the coLocationGroup of B will be ignored.
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