😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | 互联网 Java 工程师进阶知识完全扫盲：涵盖高并发、分布式、高可用、微服务、海量数据处理等领域知识
Repository Index
47,133 repositories indexed
1–12 of 12 · Most stars
Learn System Design concepts and prepare for interviews using free resources.
The java implementation of Apache Dubbo. An RPC and microservice framework.
Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
Apache ZooKeeper
Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.
Distributed Big Data Orchestration Service
An extensible distributed system for reliable nearline data streaming at scale
Microservices library - scalecube-services is a high throughput, low latency reactive microservices library built to scale. It features: API-Gateways, service-discovery, service-load-balancing, the architecture supports plug-and-play service communication modules and features. built to provide performance and low-latency real-time stream-processing
The legacy distributed object storage server developed by PitchPoint Solutions can store billions of large and small files using minimal resources. Object data is stored in replicated volumes implemented like Facebooks Haystack Object Store. Object metadata which essentially maps an object name to a volume position is stored in an elasticsearch index. (Development by PitchPoint Solutions has been discontinued)
Stateful actors on Apache Flink 2.x and Java 21 — durable per-key state, exactly-once messaging, Kafka and Kinesis I/O, Kubernetes-native deployment. Continues the Apache Stateful Functions programming model on the modern Flink line.