Apache Arrow

5 engineers on Hacker News describe using Apache Arrow first-hand: 2 endorse it, 0 regret it, 0 are mixed.

74%trust
5first-hand users
5in production
endorse 2mixed 0regret 0uses, no opinion

“we use Apache arrow and save as parquet files, which has lots of benefits over SQLite”

endorse · production · awill88 · 2021-12-08 · source ↗ · wrong label?

“We've switched from Java to Kotlin with Arrow for all our back end work. We couldn't be happier”

endorse · production · bedobi · 2020-12-11 · source ↗ · wrong label?

“we use Apache Arrow for in-memory columnar processing and Apache Parquet for durable columnar storage”

neutral · production · yashdotrv · 2026-10-06 · source ↗ · wrong label?

“We have about 100 deps that aside from numpy/pandas/pyarrow are pretty lightweight.”

neutral · production · alisonatwork · 2025-08-14 · source ↗ · wrong label?

“We had to use arrow library to make Kotlin more like Scala. Especially if you're leaning more functional, standard Kotlin will be lacking.”

neutral · production · ayberk · 2019-12-17 · source ↗ · wrong label?