klion26 commented on issue #10344: [FLINK-14264][StateBackend][Rest] Expose state backend in checkpoint rest api URL: https://github.com/apache/flink/pull/10344#issuecomment-562047203 Currently, I set the default value of "stateBackend" to "disabled", because when I run job(disabled periodic checkpoint) on yarn, I can still get the checkpoint config from rest. I find that in `CheckpointConfigHandler` we use `checkpointConfig == null` to judge whether enable or disable checkpoint, and the doc of `AccessExecutionGraph#getCheckpointCoordinatorConfiguration` says that `Returns the {@link CheckpointCoordinatorConfiguration} or <code>null</code> if checkpointing is disabled.`, but after disabling checkpoint with rocksdbbackend, I still can get the config from rest api. I'll find out why this happens and come back.
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