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What is Apache Arrow Flight?
Apache Arrow Flight leverages gRPC to enable high-performance, zero-copy data streaming between services.
What: Apache Arrow Flight is a framework that combines the Apache Arrow columnar memory format with gRPC to move large datasets between nodes without the overhead of serialization.
Why it matters: Moving large data volumes via REST or JSON is becoming an operational bottleneck; moving memory buffers directly between services shifts the bottleneck from compute to network bandwidth.
Decoder
- Zero-copy: A technique where data is transferred between memory buffers without being copied by the CPU.
- Columnar: A data storage format where data is stored by column rather than by row, optimized for analytical workloads.
Original article
Apache Arrow Flight uses Arrow and gRPC to move large columnar datasets quickly with zero-copy transfer. Servers stream Arrow RecordBatches directly, can parallelize reads across endpoints, and mostly serve as infrastructure for custom high-performance data services.
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