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https://issues.apache.org/jira/browse/HUDI-3217?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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sivabalan narayanan updated HUDI-3217:
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Component/s: storage-management
writer-core
> Revisit Record Payload handling
> -------------------------------
>
> Key: HUDI-3217
> URL: https://issues.apache.org/jira/browse/HUDI-3217
> Project: Apache Hudi
> Issue Type: Epic
> Components: storage-management, writer-core
> Reporter: Alexey Kudinkin
> Assignee: Alexey Kudinkin
> Priority: Blocker
> Fix For: 0.11.0
>
>
> Currently Hudi is biased t/w assumption of particular payload representation
> (Avro), long-term we would like to steer away from this to keep the record
> payload be completely opaque, so that
> # We can keep record payload representation engine-specific
> # Avoid unnecessary serde loops (Engine-specific > Avro > Engine-specific >
> Binary)
> h2. *Proposal*
>
> *Phase 2: Revisiting Record Handling*
> {_}T-shirt{_}: 2-2.5 weeks
> {_}Goal{_}: Avoid tight coupling with particular record representation on the
> Read Path (currently Avro) and enable
> * Revisit RecordPayload APIs
> ** Deprecate {{getInsertValue}} and {{combineAndGetUpdateValue}} APIs
> replacing w/ new “opaque” APIs (not returning Avro payloads)
> ** Rebase RecordPayload hierarchy to be engine-specific:
> *** Common engine-specific base abstracting common functionality (Spark,
> Flink, Java)
> *** Each feature-specific semantic will have to implement for all engines
> ** Introduce new APIs
> *** To access keys (record, partition)
> *** To convert record to Avro (for BWC)
> * Revisit RecordPayload handling
> ** In WriteHandles
> *** API will be accepting opaque RecordPayload (no Avro conversion)
> *** Can do (opaque) record merging if necessary
> *** Passes RP as is to FileWriter
> ** In FileWriters
> *** Will accept RecordPayload interface
> *** Should be engine-specific (to handle internal record representation
> ** In RecordReaders
> *** API will be providing opaque RecordPayload (no Avro conversion)
>
> REF
> [https://app.clickup.com/18029943/v/dc/h67bq-1900/h67bq-6680]
>
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