Xuehan Xu
Engineer at buaa
Beijing, China
Summary
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RockstarXuehan Xu is an experienced engineer based in Beijing with 11 years in software development, focused on backend systems and distributed storage. They have contributed notable fixes and stability improvements to the widely used open-source Ceph project, working on the Crimson OSD to address peering, concurrency, and versioning issues in C++. Currently at BUAA, Xuehan applies deep systems knowledge to production-grade storage challenges. Their work reflects a pragmatic approach to reliability engineering—favoring targeted, correctness-first changes that reduce operational complexity. Colleagues would describe them as a steady problem-solver who blends low-level C++ expertise with a systems-oriented perspective.
11 years of coding experience
Github Skills (7)
object-storage10
c-language10
cprogramming-language10
concurrency10
data-structure9
distributed-systems9
data-structures9
Programming languages (4)
Github contributions (5)
ceph/ceph
May 2020 - Jan 2023
Ceph is a distributed object, block, and file storage platform
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1256 reviews, 214 commits, 382 PRs in 2 years 8 months
Contributions summary:Xuehan made several commits focused on the core functionality of the Ceph storage platform, particularly in the Crimson OSD (Object Storage Daemon) component. Their contributions primarily involved modifying C++ code to enhance the stability and reliability of the OSD. These changes included improving the handling of peering events, managing backref transactions, addressing concurrency issues, and ensuring the correct versioning of objects during storage operations.
fusefile-storagecephstorageopenebs
xxhdx1985126/ceph
May 2017 - Apr 2025
Ceph is a distributed object, block, and file storage platform
Contributions:1 review, 8 PRs, 2324 pushes in 7 years 11 months
file-storagecephcloud-storagedatabasestorage
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