Sub-Projects

The parquet-format project contains format specifications and Thrift definitions of metadata required to properly read Parquet files.

The parquet-java project is a Java library to read and write Parquet files. It consists of multiple sub-modules, which implement the core components of reading and writing a nested, column-oriented data stream, to and from the Parquet format, along with Hadoop Input/Output Formats, Pig loaders, and other Java-based utilities for interacting with Parquet.

The parquet-cpp project is a C++ library to read-write Parquet files. It is part of the Apache Arrow C++ implementation, with bindings to Python, R, Ruby and C/GLib.

The parquet-rs project is a Rust library to read-write Parquet files.

The parquet-go project is a Golang library to read-write Parquet files. It is part of the Apache Arrow Go implementation.

The parquet-compatibility project (deprecated) contains compatibility tests that can be used to verify that implementations in different languages can read and write each other’s files. As of January 2022 compatibility tests only exist up to version 1.2.0.