Details
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Sub-task
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Status: Resolved
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Major
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Resolution: Fixed
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None
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None
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Reviewed
Description
We proposed non-exclusive node labels in YARN-3214, makes non-labeled resource requests can be allocated on labeled nodes which has idle resources.
To make preemption work, we need know an allocated container's original node label: when labeled resource requests comes back, we need kill non-labeled containers running on labeled nodes.
This requires add node-labels in Container, and also, NM need store this information and send back to RM when RM restart to recover original container.