dawidwys opened a new pull request #18482:
URL: https://github.com/apache/flink/pull/18482
## What is the purpose of the change
We introduce a savepoint type flag both to the CLI and REST API that
controls the binary format of the savepoint to take. Native savepoints
are taken in the state backend specific binary format. They can be
faster to take and restore from, but they do not support e.g. changing
the state backend.
This commit does not support RocksDB incremental savepoints yet. When
incremental savepoints are configured, native savepoints will fail.
## Brief change log
See commit log
## Verifying this change
Added tests in `SavepointFormatITCase`
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (yes / **no**)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (**yes** / no)
- The serializers: (yes / **no** / don't know)
- The runtime per-record code paths (performance sensitive): (yes / **no**
/ don't know)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (**yes** / no / don't
know)
- The S3 file system connector: (yes / **no** / don't know)
## Documentation
- Does this pull request introduce a new feature? (**yes** / no)
- If yes, how is the feature documented? (not applicable / docs /
**JavaDocs** / not documented)
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