[SPARK-54346][SS] Introduce state repartition API and repartition runner #53056
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sql/core/src/main/scala/org/apache/spark/sql/classic/StreamingCheckpointManager.scala
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/utils/StreamingUtils.scala
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sql/core/src/main/scala/org/apache/spark/sql/classic/StreamingCheckpointManager.scala
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sql/core/src/main/scala/org/apache/spark/sql/classic/StreamingCheckpointManager.scala
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...ain/scala/org/apache/spark/sql/execution/streaming/state/OfflineStateRepartitionRunner.scala
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zifeif2
reviewed
Nov 17, 2025
...ain/scala/org/apache/spark/sql/execution/streaming/state/OfflineStateRepartitionErrors.scala
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...ain/scala/org/apache/spark/sql/execution/streaming/state/OfflineStateRepartitionRunner.scala
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...ain/scala/org/apache/spark/sql/execution/streaming/state/OfflineStateRepartitionRunner.scala
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...test/scala/org/apache/spark/sql/execution/streaming/state/OfflineStateRepartitionSuite.scala
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sql/api/src/main/scala/org/apache/spark/sql/streaming/StreamingCheckpointManager.scala
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...ain/scala/org/apache/spark/sql/execution/streaming/state/OfflineStateRepartitionRunner.scala
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...test/scala/org/apache/spark/sql/execution/streaming/state/OfflineStateRepartitionSuite.scala
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anishshri-db
approved these changes
Nov 18, 2025
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anishshri-db
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anishshri-db
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lgtm pending green CI
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@micheal-o - could you pls check for the failed linter CI job ? Thx |
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@anishshri-db yeah, fixed the linter error. Thanks |
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What changes were proposed in this pull request?
Introducing the API for offline repartitioning of streaming state. This is currently not exposed, since it is still in development. Also implemented some of the core functionalities of the repartition batch runner, that validates the checkpoint, creates the repartition batch and commits. Subsequent PRs will build on this. Also Spark connect and pyspark APIs will be added in subsequent PRs.
Also introduce the streamingCheckpointManager for performing operations on the streaming checkpoint. This is currently not exposed, since it is still in development.
Why are the changes needed?
Streaming state repartitioning
Does this PR introduce any user-facing change?
No
How was this patch tested?
New test suite added
Was this patch authored or co-authored using generative AI tooling?
No