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Document the fine-grained resource management as a beta feature. Well explains how to use it and what constraints it has.

Known Limitations

Potentially resource deadlock in batch jobs

As discussed in FLIP-119, FLIP-156 and FLINK-20865, there might be a resource deadlock when applying fine-grained resource management in batch jobs with PIPELINE edges. Before we fix that issue, this case should be marked as invalid. Internally, we can force all the edges in this scenario to BLOCKING in compiling stage and well document it.

Rejected Alternatives

There is also one reject alternative, ExecutionConfig, where the resource configuration can be located.

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