lixinyang

Chengdu City, Sichuan, China

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Summary

🤩

Rockstar

Lixin Yang is a Research Assistant Professor at Shanghai Jiao Tong University with four years of industry and research experience at the intersection of embodied AI, computer vision, and graphics. He holds a PhD in Computer Science focused on Embodied AI and brings practical robotics and mechanical engineering foundations from prior degrees and research internships. Lixin has production software experience from Tencent and Nreal, shipping Android biometric and AR-related systems, and contributed backend and DevOps fixes to high-profile Apache projects like Pulsar and BookKeeper, improving broker stability, memory management, and storage compaction. His work blends low-level systems reliability with 3D human and hand digitalization research, reflecting a rare combination of distributed-systems engineering and graphics-focused research. Colleagues describe him as a detail-oriented problem-solver who shifts seamlessly between academic research and production-grade engineering. He is based in Shanghai and continues to bridge cutting-edge research with real-world system robustness.

5 years of coding experience

Github Skills (25)

messaging10

back-end-development10

rocksdb10

big-data10

distributed-systems10

pulsar10

apache10

java10

apache-bookkeeper10

javas10

performance-optimization10

backend10

apache-pulsar10

testing9

devops9

Programming languages (1)

Java

Github contributions (5)

apache/pulsar

Aug 2021 - Jan 2023

Apache Pulsar - distributed pub-sub messaging system

Role in this project:

Back-end Developer

Contributions:23 reviews, 42 commits, 45 PRs in 1 year 5 months

Contributions summary:Lixinyang primarily focused on bug fixes and improvements related to the Apache Pulsar message system's broker functionality. Their contributions included addressing issues in partitioned topic updates, resolving bundle management issues, and fixing typos. They also implemented a fix to prevent potential NullPointerExceptions in the `replaceBookie` operation and improved resource management within the load manager. Furthermore, the user made enhancements related to memory management and release within the client.

apache-pulsarpubsubpulsarmessagingstreaming

apache/bookkeeper

Jul 2022 - Jul 2022

Apache BookKeeper - a scalable, fault tolerant and low latency storage service optimized for append-only workloads

Role in this project:

Back-end Developer & DevOps Engineer

Contributions:18 reviews, 2 commits, 11 PRs in 1 day

Contributions summary:Lixinyang contributed to the Apache BookKeeper project by implementing features and fixing bugs related to the core functionalities. They focused on optimizing the client-side behavior when health checks are disabled and addressed RocksDB configuration issues to improve storage performance. Furthermore, they added an API endpoint to trigger compaction of the entry location index in RocksDB and fixed the PID check in the bookkeeper-daemon.sh script, showcasing contributions in both backend and DevOps aspects.

apache-bookkeeperfault-tolerantlow-latencybookkeeperbig-data

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