Zhu Zhu created FLINK-19712:
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Summary: Pipelined region failover should skip restarting tasks in
CREATED
Key: FLINK-19712
URL: https://issues.apache.org/jira/browse/FLINK-19712
Project: Flink
Issue Type: Improvement
Components: Runtime / Coordination
Affects Versions: 1.12.0
Reporter: Zhu Zhu
Fix For: 1.12.0
When a task fails and it is pipelined region failover strategy, all tasks in
the region of the failed task and in the downstream regions will be canceled
for later re-scheduling. However, these tasks can be still in CREATED state so
that there is no need to cancel these tasks. Skipping canceling these tasks can
speed up the failover and reduce a lot of unnecessary CANCELING logs.
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