THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Manage middle ResultPartition
Metrics
Web UI
Limitations
（1）JobType is Batch.
（2）External ResourceManager is Yarn or K8s.
（3）The JobVertex with all input edges and all output edges are blocking could enable speculative execution feature.
Configuration
Compatibility, Deprecation, and Migration Plan
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