Gyula Fora created FLINK-13566:
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Summary: Support checkpoint configuration through flink-conf.yaml
Key: FLINK-13566
URL: https://issues.apache.org/jira/browse/FLINK-13566
Project: Flink
Issue Type: New Feature
Components: Runtime / Checkpointing, Runtime / Configuration
Reporter: Gyula Fora
Currently basic checkpointing configuration happens through the
StreamExecutionEnvironment and the CheckpointConfig class.
There is no way to configure checkpointing behaviour purely from the
flink-conf.yaml file (or provide a default checkpointing behaviour) as it
always needs to happen programmatically through the environment.
The checkpoint config settings are then translated down to the
CheckpointCoordinatorConfiguration which will control the runtime behaviour.
As checkpointing related settings are operational features that should not
affect the application logic I think we need to support configuring these
params through the flink-conf yaml.
In order to do this we probably need to rework the CheckpointConfig class so
that it distinguishes parameters that the user actually set from the defaults
(to support overriding what was set in the conf).
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