Zhang Hongyin
Student at Beihang University
Haidian District, Beijing, China
Summary
🤩
Rockstar🎓
Top SchoolZhang Hongyin is a software engineer and Beihang University student with seven years of hands-on experience building back-end systems and optimizing distributed databases. He contributes to prominent open-source projects like Apache IoTDB, where he has fixed cluster device-counting bugs, improved RPC performance, and implemented replication-factor metrics. Combining an aerospace engineering background with systems programming, he applies a methodical, performance-focused approach to complex infrastructure problems. Based in Haidian District, Beijing, he embraces a "try everything—even impossible" mindset that drives bold experimentation and practical fixes. His work reveals an unusual blend of academic rigor and production-grade contributions to time-series database internals.
7 years of coding experience
Bachelor of Engineering (B.Eng.), Aerospace, Aeronautical and Astronautical Engineering, Bachelor of Engineering (B.Eng.), Aerospace, Aeronautical and Astronautical Engineering at Beihang University
English
Github Skills (12)
javas10
data-collection10
java10
metric10
thrift9
cluster-manager9
performance-optimization9
clustering9
rpc9
cluster-api9
databases8
database8
Programming languages (9)
Github contributions (5)
apache/iotdb
Jul 2021 - Jan 2023
Apache IoTDB
Role in this project:
Back-end Developer
Back-end DeveloperContributions:421 reviews, 208 commits, 381 PRs in 1 year 6 months
Contributions summary:Zhang primarily focused on enhancing the functionality of the `apache/iotdb` repository, a time-series database. Their contributions include fixing bugs related to device counting in cluster mode, optimizing RPC performance, and refactoring code related to metric collection and performance statistics. Additionally, they implemented features such as support for database replication factor metrics, demonstrating an understanding of database internals.
tdenginenosqlapachebig-datadatabase
SpriCoder/COA19-Notes
Jan 2020 - Aug 2020
Contributions:4 commits, 3 pushes, 1 branch in 7 months
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