Gao Xiang

Shanghai, China

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Summary

🤩

Rockstar

Xiang Gao is a Senior Software Engineer based in Hangzhou with eight years of experience specializing in modern computer architecture, Linux file systems, and functional-language compilers. He has deep kernel and storage expertise from multiple roles at Huawei and Red Hat and now drives backend infrastructure at Alibaba. Xiang is an active open-source contributor to high-profile container and image projects—most notably advancing RAFS in dragonflyoss/nydus and implementing EROFS snapshotter logic and protections in containerd—showing strong cross-cutting skills in both systems code and operational work. His background includes authored work on the Linux EROFS filesystem and pragmatic fixes for fscache and loop-device edge cases, evidencing attention to compatibility and production robustness. Colleagues describe him as a pragmatic systems engineer who balances low-level correctness with deployable solutions.

8 years of coding experience

Github Skills (32)

filesystem10

docker10

buildroot10

back-end-development10

compress10

storage10

linux10

c1110

linux-kernel10

dockers10

container-image10

c1710

containerd10

go10

sys10

Programming languages (11)

ShellC++CRustMakefileVueJavaScriptGo

Github contributions (5)

dragonflyoss/nydus

Nov 2021 - Dec 2022

Nydus - the Dragonfly image service, providing fast, secure and easy access to container images.

Role in this project:

Back-end Developer

Contributions:147 reviews, 40 commits, 45 PRs in 1 year 1 month

Contributions summary:Gao primarily contributed to the `nydus` project, focusing on improvements and enhancements related to the RAFS (Read-Ahead File System) v6 implementation. Their commits addressed issues in inode handling, metadata management, and compatibility with EROFS (Embedded Read-Only File System) features, like compact inodes and xattr support. They also implemented fixes for fscache integration, including the correct handling of open/read requests, and updated the fscache protocol to v9.

containerssecurevmscontainerddocker-image

containerd/containerd

Jul 2022 - Mar 2025

An open and reliable container runtime

Role in this project:

Back-end & DevOps Engineer

Contributions:43 reviews, 3 PRs, 78 comments in 2 years 9 months

Contributions summary:Gao contributed significantly to the containerd project by introducing and refining the EROFS snapshotter and differ implementations. Their work involved developing the core logic for applying EROFS-formatted blobs, integrating it with the existing container runtime, and adding necessary tests. Furthermore, the user added a loop device workaround for single-layer images and implemented protections for the EROFS layer blobs using FS_IMMUTABLE_FL, showing skills across both backend and operational aspects of the project.

containersisolationcontainerdrustruntime

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