Parquet

FIRST-HAND READS

What people reported, in their own words. Every line links to where it was said.

• “I consider that simplicity to be a feature, not a shortcoming. I just tar a bunch of parquets if I need multiple tables. It is beautifully simple and easy to read in any language”

  POSITIVE · ease of use · Hacker News · 2026-06-23

• “my main gripe with parquet (single table per file) is not even addressed”

  NEGATIVE · features · Hacker News · 2026-06-23

• “very unconvinced that parquet (and the various things that are parquet or essentially-parquet under the hood) are the end of the line here”

  NEGATIVE · performance · Hacker News · 2026-06-23

• “If I have parquet files I can load them in duckdb, in pandas and polars, process them with various independent tools, and loads of other things... and people do that”

  POSITIVE · features · Hacker News · 2026-06-23

• “I can get the zstd parquet to be up to 10x (or more) smaller than an equivalent Postgres table”

  POSITIVE · performance · Hacker News · 2026-06-19

• “converts all their sales to a very tiny parquet files, daily. The file fits in memory and can do all sort of computation in the browser itself”

  POSITIVE · performance · Hacker News · 2026-06-19

• “You can get pretty crazy with parquet in S3 with an engine like duckdb. And it's dirt cheap to keep that stuff hanging around for future reference”

  POSITIVE · performance · Hacker News · 2026-06-19

• “I work with Parquet files spanning 300million+ records (~800MB files) using DuckDB and it works within seconds”

  POSITIVE · performance · Hacker News · 2026-05-30

• “Currently looking at how to merge a fast footer parser like this into the Apache Parquet Java project.”

  POSITIVE · performance · Hacker News · 2026-04-20