Till Rohrmann created FLINK-20465:
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Summary: Fail globally when not resuming from the latest
checkpoint in regional failover
Key: FLINK-20465
URL: https://issues.apache.org/jira/browse/FLINK-20465
Project: Flink
Issue Type: Improvement
Components: Runtime / Coordination
Affects Versions: 1.12.0
Reporter: Till Rohrmann
Fix For: 1.13.0
As a follow up for FLINK-20290 we should assert that we resume from the latest
checkpoint when doing a regional failover in the {{SourceCoordinators}} in
order to avoid losing input splits (see FLINK-20427). If the assumption does
not hold, then we should fail the job globally so that we reset the master
state to a consistent view of the state. Such a behaviour can act as a safety
net in case that Flink ever tries to recover from not the latest available
checkpoint.
cc [~sewen], [~jqin]
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