---
title: "Parquet Column Pruning Optimizer"
description: "Optimizes Apache Parquet file reads using PyArrow column pruning and predicate pushdown. Analyzes query patterns to recommend row group sizing and dictionary encoding strategies."
verification: "security_reviewed"
source: "https://github.com/ironSource/parquetjs"
category:
  - "Data Extraction & Transformation"
framework:
  - "Custom Agents"
tool_ecosystem:
  github_repo: "ironsource/parquetjs"
  github_stars: 387
  npm_package: "parquetjs"
  npm_weekly_downloads: 170660
---

# Parquet Column Pruning Optimizer

Optimizes Apache Parquet file reads using PyArrow column pruning and predicate pushdown. Analyzes query patterns to recommend row group sizing and dictionary encoding strategies.

## Installation

Choose whichever fits your setup:

1. Copy this skill folder into your local skills directory.
2. Clone the repo and symlink or copy the skill into your agent workspace.
3. Add the repo as a git submodule if you manage shared skills centrally.
4. Install it through your internal provisioning or packaging workflow.
5. Download the folder directly from GitHub and place it in your skills collection.

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/parquet-column-pruning-optimizer/)