Dissecting data structures

Machine Learning Systems

A composable and fully extensible C++ execution engine library for data management systems.

Gluten is a middle layer responsible for offloading JVM-based SQL engines' execution to native engines.

The AI Compute Platform for frontier teams. SkyPilot turns fragmented AI compute into one AI supercomputer, so frontier AI teams build custom intelligence faster.

Benchmarks for Apache Flink

CLI for Confluent Cloud and Confluent Platform

The database purpose-built for stream processing applications.

Scala 2 team issues. Not for user-facing bugs or directly actionable user-facing improvements. For build/test/infra and for longer-term planning and idea tracking. Our bug tracker is at https://git…

Nessie: Transactional Catalog for Data Lakes with Git-like semantics

Apache Iceberg

Hopsworks - Data-Intensive AI platform with a Feature Store

Apache Tez

Apache Hive

Apache ORC - the smallest, fastest columnar storage for Hadoop workloads

The Patterns of Scalable, Reliable, and Performant Large-Scale Systems

Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas

Measuring the performance of popular streaming engines with Yahoo's Streaming Benchmark

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

Master programming by recreating your favorite technologies from scratch.

Pythonic HTML Parsing for Humans™

Java dataframe and visualization library

Beaker Extensions for Jupyter Notebook

A Python library that generates static type annotations by collecting runtime types

Apache Superset is a Data Visualization and Data Exploration Platform

A tool for developers to create cloud-native applications on Kubernetes.

Data Apps & Dashboards for Python. No JavaScript Required.

Automatically generate a RESTful API service for your legacy database. No code required!

Serverless Python

The fastest path to AI-powered full stack observability, even for lean teams.