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znippy-cli-0.2.5
znippy
Arrow IPC archive format with parallel compress/decompress, package-aware metadata extraction, and random-access reads. Natively readable by DuckDB, Polars, and DataFusion without a znippy library.
6,310 MB/s decompress · 5,802 MB/s compress · 32 cores · v0.7.2
| Test | Compress | Decompress | Files |
|---|---|---|---|
| mixed repo 530 MB | 3,118 MB/s | 6,310 MB/s | 6 |
| single file 2 GB | 5,802 MB/s | 3,066 MB/s | 1 |
| 100k small files 10 KB | 4,811 MB/s | 1,957 MB/s | 100,000 |
| random (incompressible) | 105 MB/s | 2,890 MB/s | 1 |
| real jars RAID NVMe | 2,527 MB/s | 9,950 MB/s | 4,730 |
Benchmark history
| Version | Date | Best decompress | Machine |
|---|---|---|---|
| 0.7.2 | 2026-05-24 | 9,950 MB/s (real jars) | 32-core |