Content Comparison

Current state: "Under DiscussionRejected"

ISSUE: #7210

PRs: 

Keywords: arrow/column-based/row-based

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After the Proxy receives the inserted data, create multiple Arrow Array by field, instead of RecordBatch.

PROBLEM: The primitive unit of serialized data in Arrow is RecordBatch. Arrow does not provide interface to serialize Arrow Array.

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1. Arrow data can only be serialized and deserialized by unit of RecordBatch;
2. Cannot copy out row data from RecordBatch;
3. 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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