Yangze Guo created FLINK-20837:
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Summary: Assign an increasing number larger than the numberOfSlot
to dynamic slots
Key: FLINK-20837
URL: https://issues.apache.org/jira/browse/FLINK-20837
Project: Flink
Issue Type: Sub-task
Reporter: Yangze Guo
Fix For: 1.13.0
In FLINK-14189, we specified that the SlotID whose slot number is -1 represents
the dynamic slot. However, the SlotID with a negative slot number will be
treated as invalid in other components, e.g. SlotPool and SlotManager. We have
to remove a lot of sanity checks with this change, which is error-prone. The
evidence is that there are still some sanity checks that have not been removed,
e.g. sanity checks in AllocatedSlotInfo.
We propose to assign an increasing number larger than the numberOfSlot to
dynamic slots. In this way, we can decouple the JM and RM with the dynamic slot
logic.
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