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927 followers · 380 following

Achievements

Achievement: Pair Extraordinairex2Achievement: YOLOAchievement: Pull Sharkx3Achievement: Starstruckx4Achievement: Arctic Code Vault Contributor

Achievements

Achievement: Pair Extraordinairex2Achievement: YOLOAchievement: Pull Sharkx3Achievement: Starstruckx4Achievement: Arctic Code Vault Contributor

Organizations

@apache

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yjhjstz/README.md

👋 Hi, I'm Jianghua Yang!

🚀 Database Specialist | Open Source Enthusiast
💼 Apache PPMC member of Cloudberry Database

About Me

  • 🎯 I specialize in Greenplum Database (GPDB), PostgreSQL, MongoDB and distributed database optimization.
  • 🛠️ Skilled in Kubernetes, query optimization, and troubleshooting high-performance data systems.
  • 💡 Passionate about solving real-world data challenges and contributing to open-source projects.

Connect with Me

Projects Highlights

Fun Fact

🌟 "Every query tells a story—my job is to make it a masterpiece."

Pinned Loading

  1. quantumiodb/pgorca quantumiodb/pgorca Public

    pg_orca is a PostgreSQL extension of the ORCA query optimizer — a Cascades-style, cost-based optimizer extension.

    C++ 8 1

  2. apache/cloudberry apache/cloudberry Public

    One advanced and mature open-source MPP (Massively Parallel Processing) database. Open source alternative to Greenplum Database.

    C 1.4k 242

  3. deep-into-node deep-into-node Public

    In-depth understanding of Node.js: Core Ideas and Source Code Analysis

    4.4k 614

  4. mongodb/mongo mongodb/mongo Public

    The MongoDB Database

    C++ 28.5k 5.8k

  5. quantumiodb/opened-claude-code quantumiodb/opened-claude-code Public

    base on v2.1.88

    TypeScript