GitHub user StefanRRichter opened a pull request:
FLINK-5265 Introduce state handle replication mode for CheckpointCoordinator
Currently, the ``CheckpointCoordinator`` only supports repartitioning of ``OperatorStateHandle``s based on a split-and-distribute strategy. For future state types, such as broadcast or union state, we need a different repartitioning method that allows for replicating state handles to all subtasks.
This functionality is introduced with this PR and represents the first step on the way to implementing broadcast and union states.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/StefanRRichter/flink broadcast-op-state
Alternatively you can review and apply these changes as the patch at:
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with (at least) the following in the commit message:
This closes #2948