[jira] [Created] (FLINK-12698) Implement a SpillLoadManager

[Shang Yuanchun (Jira)]

Yu Li created FLINK-12698:
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             Summary: Implement a SpillLoadManager
                 Key: FLINK-12698
                 URL: https://issues.apache.org/jira/browse/FLINK-12698
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / State Backends
            Reporter: Yu Li
            Assignee: Yu Li


The {{SpillLoadManager}} is responsible to:
1. Do spill/load when {{HeapStatusMonitor}} triggers.
2. Decide which KeyGroup to spill/load according to data from the accounting managers (mainly two factors: state-size and request-rate).



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