Xintong Song created FLINK-16440:
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Summary: Extend SlotManager metrics and status for dynamic slot
allocation.
Key: FLINK-16440
URL: https://issues.apache.org/jira/browse/FLINK-16440
Project: Flink
Issue Type: Sub-task
Components: Runtime / Metrics
Reporter: Xintong Song
Fix For: 1.11.0
* Create a slotManagerMetricGroup in resourceManagerMetricGroup, pass it into
SM and register slot related metrics there.
* This allows registering different metrics for different SM implementation.
* For backwards compatibility, the slotManagerMetricGroup should have the same
path as the resourceManagerMetricGroup.
* Extend ResourceOverview and TaskManagerInfo to contain TM total / free /
allocated resources.
* Need to add methods to SM for getting TM resource status.
* For SlotManagerImpl,
* The existing methods for getting number of registered / free slots need no
changes.
* TM resource status can be computed from TaskExecutorProcessSpec, slot
profiles and number of free slots.
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