JNI bindings for Zstd native library that provides fast and high compression lossless algorithm for Java and all JVM ...

Core Parquet reader implementation

JNI bindings for the Vortex format

Writer for the Vortex columnar file format. Produces compressed columnar files readable by any Vortex

Parquet conversion support for the Vortex columnar file format.

Reader for the Vortex columnar file format. Zero-copy memory-mapped reads via the Java FFM API (Java

Inspector for the Vortex columnar file format. Produces a structural tree model of a file's

Apache Calcite SQL adapter over the Vortex columnar file format (demo: filter/project/aggregate push-down).

Java Foreign Function & Memory (FFM) bindings for zstd

An off-heap reference implementation for Arrow columnar data format.

Java implementation of C Data Interface

Allocator and utils for allocating memory in Arrow based on sun.misc.Unsafe

The jmh is a Java harness for building, running, and analysing

JMH benchmark generator, based on annotation processors.

Binding/provider for SLF4J, which outputs all events to System.err. Only messages of level INFO and higher are printed.