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Add state.savepoints.dir configuration key to specify the default savepoint directory and deprecate current configuration keys (see below).

Furthermore, there is the option to specify the directory ad-hoc per savepoint (via CheckpointConfig or the CLI, see below). This ad-hoc value has precedence over the default value. If no savepoint path is configured , fail (no default and no ad-hoc), the savepoint will fail.

Default Directory

Configured?

XX–
Ad-hoc Directory
Configured?		X––
Trigger Savepoint
Operation 		Uses ad-hoc pathUses default pathSavepoint fails

Extend CheckpointConfig

Code Block
// Stores completed checkpoints as savepoints
@PublicEvolving
void enableSavepoints();


@PublicEvolving
void enableSavepoints(String savepointPath);


@PublicEvolving
void disableSavepoints();

// Enables periodic savepoints
@PublicEvolving
void enablePeriodicSavepoints(long savepointInterval):


@PublicEvolving
void enablePeriodicSavepoints(long savepointInterval, String savepointPath):


@PublicEvolving
void disablePeriodicSavepoints();

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