Zhu Zhu created FLINK-28134:
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Summary: Introduce SpeculativeExecutionVertex
Key: FLINK-28134
URL: https://issues.apache.org/jira/browse/FLINK-28134
Project: Flink
Issue Type: Sub-task
Components: Runtime / Coordination
Reporter: Zhu Zhu
Fix For: 1.16.0
SpeculativeExecutionVertex will be used if speculative execution is enabled, as
a replacement of ExecutionVertex to form an ExecutionGraph. The core difference
is that a SpeculativeExecutionVertex can have multiple current executions
running at the same time.
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