Apache Arrow in-memory columnar format reference. Zero-copy data exchange, columnar memory layout with validity bitmaps, pyarrow Table/RecordBatch/compute, Arrow Flight RPC for high-performance transfer, Dataset API with predicate pushdown, pandas/DuckDB/Polars/Spark integration, Gandiva LLVM compiler, and ADBC database connectivity.
Scanned 9/7/2026
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---
name: "arrow"
version: "1.0.0"
description: "Apache Arrow in-memory columnar format reference. Zero-copy data exchange, columnar memory layout with validity bitmaps, pyarrow Table/RecordBatch/compute, Arrow Flight RPC for high-performance transfer, Dataset API with predicate pushdown, pandas/DuckDB/Polars/Spark integration, Gandiva LLVM compiler, and ADBC database connectivity."
author: "BytesAgain"
homepage: "https://bytesagain.com"
source: "https://github.com/bytesagain/ai-skills"
tags: [arrow, columnar, memory, ipc, flight, data, analytics]
category: "data"
---
# Apache Arrow
Apache Arrow in-memory columnar format reference — zero-copy, cross-language.
## Commands
| Command | Description |
|---------|-------------|
| `intro` | Arrow overview, zero-copy, architecture |
| `format` | Columnar layout, buffers, record batches |
| `python` | pyarrow arrays, tables, compute functions |
| `flight` | Arrow Flight RPC server/client |
| `dataset` | Dataset API, partitioning, pushdown |
| `integration` | pandas/DuckDB/Polars/Spark/R interop |
| `gandiva` | LLVM expression compiler |
| `ecosystem` | Implementations, ADBC, projects |
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