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A Database Engine for arrays

21 starsC

Numstore – a single file ACID database for NumPy arrays

by lincketheo·Jun 2, 2026·2 points·0 comments

AI Analysis

●●SolidBig BrainNiche Gem

ACID transactions for NumPy arrays when HDF5 and Zarr dominate the space.

Strengths
  • C11 implementation with Python bindings shows real engineering depth.
  • First-class array operations like insert-at-index and slice assignment.
  • Transaction rollback on exception is genuinely useful for data pipelines.
Weaknesses
  • No benchmarks comparing performance against HDF5 or Zarr.
  • 19 stars suggests early adoption; unclear production readiness.
Category
Target Audience

Data scientists, ML engineers working with NumPy

Similar To

HDF5 · Zarr · NPY

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