Yuanhan Liu
Software Engineer at ByteDance
China
Summary
👤
Senior🎓
Top SchoolYuanhan Liu is a seasoned software engineer with 17 years specializing in Linux, high-performance networking, and userspace TCP stacks. He has driven production deployments of a DPDK-based userspace TCP stack at ByteDance and previously maintained and advanced DPDK vhost/virtio as an Intel Techboard member. His work spans kernel performance testing, virtual switch acceleration, and hardware offload integration at Intel, Mellanox, and Tencent, including a low-downtime vswitch hot-upgrade presented at DPDK US Summit. A long-time Linux enthusiast since 2007, he pairs deep systems expertise with strong automation and testing practices (Bash/Ruby and automatic testing). His open-source contributions include improving the RethinkDB Python driver and tests, reflecting attention to robustness across both C/C++ networking stacks and higher-level tooling. Based in China, he combines research-grade protocol knowledge with pragmatic production experience across cloud and data-center networking.
17 years of coding experience
10 years of employment as a software developer
Jiangxi Agricultural University
Github Skills (7)
databases10
relational-databases10
python10
sql-database10
database10
testing10
error-handling9
Programming languages (3)
Github contributions (5)
rethinkdb/rethinkdb
Mar 2014 - Apr 2014
The open-source database for the realtime web.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 commits in 1 month
Contributions summary:Yuanhan primarily focused on improving the Python driver and related utilities for the RethinkDB database. Their contributions included fixing import errors in the Python driver, silencing unfriendly tracebacks, and correcting return types in the HTTP JSON module. Additionally, they addressed test-related issues, such as removing unnecessary database directories in test setup and correcting errors in the HTTP admin tests. They demonstrate skills in Python and in-depth knowledge of the database internals and testing frameworks.
database
Aleaxander/doc
Dec 2023 - Dec 2023
Contributions:2 pushes, 1 branch in 1 day
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