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agrona

High Performance data structures and utility methods for Java

alex

A library for building an in-memory, Adaptive Learned indEX

angel

A Flexible and Powerful Parameter Server for large-scale machine learning

arcon

Runtime for Writing Streaming Applications in Rust.

arrow-rs

Official Rust implementation of Apache Arrow

arrow2

transmute-free Rust library to work with the Arrow format

askama

Type-safe, compiled Jinja-like templates for Rust

ballista

Distributed compute platform implemented in Rust, and powered by Apache Arrow.

bigqueue

A big, fast and persistent queue based on memory mapped file.

bitpacking

SIMD algorithms for integer compression via bitpacking. This crate is a port of a C library called simdcomp.

cannyls

An embedded persistent key-value storage for Rust that optimized for random-access workload and huge-capacity HDD

columnation

An experimental columnar arena

concurrent-trees

Concurrent Radix and Suffix Trees for Java

core

Build platforms that flexibly mix SQL, batch, and stream processing paradigms

cqengine

Ultra-fast SQL-like queries on Java collections

cupcake

A Rust library for lattice-based additive homomorphic encryption.

dalarm

datasphere-service

an open source dataworks platform

ddia

《Designing Data-Intensive Application》DDIA中文翻译

debezium

Change data capture for a variety of databases. Please log issues at https://issues.redhat.com/browse/DBZ.

dietpi

Lightweight justice for your single-board computer!

dregex

Dregex is a JVM library that implements a regular expression engine using deterministic finite automata (DFA). It supports some Perl-style features and yet retains linear matching time, and also offers set operations.

dsl-json

High performance JVM JSON library

duckdb

DuckDB is an in-process SQL OLAP Database Management System

easy-flows

The simple, stupid workflow engine for Java

exchange-core

Ultra-fast matching engine written in Java based on LMAX Disruptor, Eclipse Collections, Real Logic Agrona, OpenHFT, LZ4 Java, and Adaptive Radix Trees.

faster

Fast persistent recoverable log and key-value store + cache, in C# and C++.

faster-1

SIMD for humans

fastfilter_java

Fast Approximate Membership Filters (Java)

flow

Estuary Flow makes it easy to capture data into cloud storage, and later define views that continuously materialize both history and ongoing changes, right into your tools for always-fresh data wherever you want it -- DBs, key/value stores, pub/sub, Webhooks, warehouses, and more.