Aljoscha Krettek created FLINK-9983:
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Summary: Savepoints should count as checkpoints when recovering
Key: FLINK-9983
URL: https://issues.apache.org/jira/browse/FLINK-9983
Project: Flink
Issue Type: Bug
Components: State Backends, Checkpointing
Reporter: Aljoscha Krettek
Fix For: 1.6.0
If they are not used when recovering you can get intro problems with duplicate
output data when a failure occurs after a savepoint was taken but before the
next checkpoint occurs.
The fix, in the long run, is to differentiate between savepoints that have side
effects and those that don't. The former would be used for a
"stop-with-savepoint" scenario while the latter is for in-between savepoints.
This is harder to implement, so I vote for the easy fix described for now for
fixing the duplication problems.
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