Reset offsets supervisor API#14772
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vogievetsky merged 24 commits intoapache:masterfrom Aug 17, 2023
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- Add a new endpoint /druid/indexer/v1/supervisor/<supervisorId>/resetOffsets which accepts DataSourceMetadata as a body parameter. - Update logs, unit tests and docs.
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The CodeQL alert about log entries depending on a user-provided value appears to be flagging existing logging code that's not part of this PR. I think it's a false positive alert. |
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Ignoring the CodeQL issues per the comment above |
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* Add supervisor /resetOffsets API. - Add a new endpoint /druid/indexer/v1/supervisor/<supervisorId>/resetOffsets which accepts DataSourceMetadata as a body parameter. - Update logs, unit tests and docs. * Add a new interface method for backwards compatibility. * Rename * Adjust tests and javadocs. * Use CoreInjectorBuilder instead of deprecated makeInjectorWithModules * UT fix * Doc updates. * remove extraneous debugging logs. * Remove the boolean setting; only ResetHandle() and resetInternal() * Relax constraints and add a new ResetOffsetsNotice; cleanup old logic. * A separate ResetOffsetsNotice and some cleanup. * Minor cleanup * Add a check & test to verify that sequence numbers are only of type SeekableStreamEndSequenceNumbers * Add unit tests for the no op implementations for test coverage * CodeQL fix * checkstyle from merge conflict * Doc changes * DOCUSAURUS code tabs fix. Thanks, Brian!
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This PR adds a new API:
/druid/indexer/v1/supervisor/<supervisorId>/resetOffsets. This API accepts a reset datasource metadata in the body and only resets the specified partition offsets in the metadata store. Unlike the/resetAPI, this new API retains any previously checkpointed partition offsets not specified in the payload, so tasks will resume from where they left off. Further, only tasks serving the reset partitions will be restarted.Description
A few use cases:
/resetthat will clear the entire datasource metadata and start from the earliest or latest offset, users can now specify specific partition offsets.Why not re-purpose the existing
resetAPI endpoint and the associated interface method?resetAPI, so accepting a new body in the existing API will cause some clients to break.The API flow is as follows:
/resetOffsetsendpointResetOffsetsNoticeis createdRelease note
Users can reset specific partition offsets for a supervisor using the
resetOffsetsAPI.Key changed/added classes in this PR
SupervisorResource.javaSupervisor.javaSeekableStreamSupervisor.javaSeekableStreamSupervisorStateTest.javaTestSeekableStreamDataSourceMetadata.javaThis PR has: