Ufuk Celebi created FLINK-4507:
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             Summary: Deprecate savepoint backend config
                 Key: FLINK-4507
                 URL: https://issues.apache.org/jira/browse/FLINK-4507
             Project: Flink
          Issue Type: Sub-task
          Components: State Backends, Checkpointing
            Reporter: Ufuk Celebi
            Assignee: Ufuk Celebi


The savepoint backend configuration allows both {{jobmanager}} and 
{{filesystem}} as values. The {{jobmanager}} variant is used as default if 
nothing is configured.

As part of FLIP-10, we want to get rid of this distinction and make all 
savepoints go to a file. Savepoints backed by JobManagers are only relevant for 
testing. Users could only recover from them if they did not shut down the 
current cluster.

Deprecate the {{savepoints.state.backend.fs.dir}} and add 
{{state.savepoints.dir}} as new config key. This is used as the default 
savepoint directory. Users can overwrite this. 



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