Chunmei Liu
Storage Software Developer at IBM
Cupertino, California, United States
Summary
🤩
Rockstar🎓
Top SchoolChunmei Liu is a seasoned storage software developer with 10 years of focused experience in distributed storage and systems engineering, currently driving storage software at IBM after a long technical tenure at Intel. She holds a Ph.D. in Automatic Control from Harbin Institute of Technology and has deep expertise in core storage internals, having implemented b-tree based extent maps, OMAP structures, transaction integration, and performance fixes within the widely used open-source Ceph project. Her work blends low-level data-structure design with pragmatic engineering—adding tests and bug fixes that improve reliability in Seastore’s critical data paths. Based in Cupertino, she brings institutional experience from Lenovo through Intel to IBM, combining research-grade rigor with production-scale systems delivery.
10 years of coding experience
23 years of employment as a software developer
PH.D, automatic control, PH.D, automatic control at Harbin Institute of Technology
Github Skills (13)
data-storage10
transactionscope10
transaction10
storage10
distributed-systems10
c-language10
object-storage10
distributed-file-system10
transaction-manager10
cprogramming-language10
algorithms9
testing8
python3
Programming languages (3)
Github contributions (5)
ceph/ceph
Oct 2017 - Jan 2023
Ceph is a distributed object, block, and file storage platform
Role in this project:
Back-end Developer
Back-end DeveloperContributions:597 reviews, 175 commits, 179 PRs in 5 years 4 months
Contributions summary:Chunmei focused on implementing and modifying core components within the Ceph distributed storage platform, specifically related to the Seastore module. Their work involved developing a b-tree implementation for the extent map tree and integrating it with Seastore's transaction management. They also added new data structures related to the OMAP tree, and made changes to improve code performance, and bug fixes, with the goal of enhancing data management and performance within Seastore. Additionally, the user added tests.
fusefile-storagecephstorageopenebs
liu-chunmei/ceph
Aug 2017 - Apr 2025
Ceph is a distributed object, block, and file storage platform
Contributions:674 pushes, 149 branches, 2 comments in 7 years 9 months
file-storagecephbackblazecloud-storageansible-collections
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