Yuan Wang
高级经营分析师 at 百度
Beijing, China
Summary
🤩
Rockstar🎓
Top SchoolYuan Wang is a senior software engineer and R&D manager with 10 years of experience and a long tenure at Baidu, where he helped build Baidu Netdisk from the founding team to market leadership and now leads研发 for Baidu Superchain. He combines hands-on backend systems expertise—particularly in high-performance, Redis-compatible distributed databases—with product and program management experience, having led anti-fraud, backend, and cross-team engineering efforts. An active open-source contributor, he has implemented performance-critical features like sendfile and PSETEX and fixed subtle memory and concurrency bugs in prominent projects such as Redis, KeyDB, and Apache Kvrocks. Based in Beijing, he holds a master’s from the Institute of Software, Chinese Academy of Sciences and is known for treating code as art, blending practical scalability with attention to implementation detail.
9 years of coding experience
13 years of employment as a software developer
Master Computer Software, Master Computer Software at Institute of Software, Chinese Academy of SciencesBachelor Computer Science and Technology, Bachelor Computer Science and Technology at Huazhong University of Science and Technology
Github Skills (27)
caching10
debug10
c-language10
key-value-store10
redis10
nosql10
memory-management10
databases10
proxy10
system-design10
c1110
networking10
c1710
performance-optimization10
unix-socket10
Programming languages (6)
Github contributions (5)
apache/kvrocks
Sep 2020 - Jun 2022
Apache Kvrocks is a distributed key value NoSQL database that uses RocksDB as storage engine and is compatible with Redis protocol.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 releases, 395 reviews, 142 commits in 1 year 9 months
Contributions summary:Yuan's contributions primarily focus on bug fixes and implementing new features for the Kvrocks database. They addressed issues related to hash tag calculation, list rewrites, and handling negative expire times for the `SETEX` command. Furthermore, they implemented the `PSETEX` command and added support for setting a separate log directory, enhancing the database's functionality and configurability. The user's work also includes fixes for setbit/getbit bit offset out of range and msetnx command.
redisnosqlrocksdbredis-protocolredis-cluster
redis/redis
Dec 2019 - Apr 2022
Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.
Role in this project:Back-end Developer
Back-end DeveloperContributions:397 reviews, 85 commits, 135 PRs in 2 years 3 months
Contributions summary:Yuan's contributions primarily focused on improving the Redis server's core functionality. This included implementing the `sendfile` system call to optimize data transfer to replicas, fixing a data race in the bug reporting system, correcting format specifiers in the INFO command, and implementing atomic variables for better portability. Additionally, the user addressed several bugs and performed code improvements related to memory management, and made performance optimizations.
memorystreamsin-memory-databasememory-databasedata-model
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