Current state: "Under DiscussionRejected"
ISSUE: #7210
PRs:
Keywords: arrow/column-based/row-based
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- Arrow data can only be serialized and deserialized by unit of RecordBatch;
- Cannot copy out row data from RecordBatch;
- RecordBatch must be regenerated after sending via pulsar.
Arrow is suitable for data analysis scenario (data is sealed and read only).
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