Dawid Wysakowicz created FLINK-20976:
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Summary: Unify Binary format for Keyed State savepoints
Key: FLINK-20976
URL: https://issues.apache.org/jira/browse/FLINK-20976
Project: Flink
Issue Type: New Feature
Components: Runtime / Checkpointing, Runtime / State Backends
Reporter: Dawid Wysakowicz
Fix For: 1.13.0
The main goal of this proposal is the following:
* Unify across all state backends a savepoint format for keyed state that is
more future-proof and applicable for potential new state backends. Checkpoint
formats, by definition, are still allowed to be backend specific.
* Make it possible to switch a state backend via a savepoint
* Rework abstractions related to snapshots and restoring, to reduce the
overhead and code duplication when attempting to implement a new state backend.
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