StarRocks is a next-gen sub-second MPP database for full analytics scenarios, including multi-dimensional analytics, real-time analytics and ad-hoc query.

Apache Paimon is a lake format that enables building a Realtime Lakehouse Architecture with Flink and Spark for both streaming and batch operations.

LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.

Apache Doris is an easy-to-use, high performance and unified analytics database.

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

ClickHouse® is a free analytics DBMS for big data

SeaTunnel is a distributed, high-performance data integration platform for the synchronization and transformation of massive data (offline & real-time).

VictoriaMetrics: fast, cost-effective monitoring solution and time series database

High Performance Object Storage for AI

ByConity is an open source cloud data warehouse

C++ implementation of Raft core logic as a replication library

Apache Spark - A unified analytics engine for large-scale data processing

DataX是阿里云DataWorks数据集成的开源版本。

Apache Flink

Java client and JDBC driver for ClickHouse

Prometheus remote storage adaptor for Clickhouse

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Apache ZooKeeper

Mirror of Apache Kafka

A custom RPC framework implemented by Netty+Kyro+Zookeeper.（一款基于 Netty+Kyro+Zookeeper 实现的自定义 RPC 框架-附详细实现过程和相关教程。）

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Gain new insights through reviewing old material

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