Ace Tang
Housekeeping Supervisor at The Ritz-Carlton Hotel Company LLC
Hangzhou City, Zhejiang, China
Summary
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RockstarAce Tang is an experienced hospitality supervisor based in Hangzhou with 11 years of operational leadership in housekeeping at a world-class hotel brand. Beyond frontline management, Ace brings a rare technical side—contributing code and fixes to major open-source container projects like containerd and runc, where they improved concurrency controls, checkpoint/restore support, and prevented runtime panics. This blend of meticulous service standards and low-level systems troubleshooting reflects strong attention to detail, process optimization, and troubleshooting under pressure. Comfortable coordinating teams and complex technical changes alike, Ace bridges practical people management with hands-on engineering contributions to well-known cloud-native projects.
11 years of coding experience
Github Skills (32)
debugging10
kubernetes10
kvm10
container10
criu10
docker10
checkpoint10
runtimes10
qemu10
testing10
run-time10
dockers10
checkpointing10
pg-restore10
occi10
Programming languages (8)
Github contributions (5)
containerd/containerd
Oct 2017 - Mar 2021
An open and reliable container runtime
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:1 review, 32 commits, 32 PRs in 3 years 6 months
Contributions summary:Ace-Tang contributed to containerd by implementing several fixes and improvements. They modified lock locations within the shim service to optimize concurrency, added metric items for the `ctr` command, and validated runtime names to prevent application panics. The user also addressed a shim-related issue, adding a flag to ensure proper container-shim relations and implemented support for checkpoint/restore operations by adding image and work path options. These commits demonstrate a focus on improving stability, debugging functionality, and expanding the features of the container runtime.
containersisolationcontainerdrustruntime
opencontainers/runc
Aug 2018 - Jan 2021
CLI tool for spawning and running containers according to the OCI specification
Role in this project:Backend Engineer
Backend EngineerContributions:1 review, 8 commits, 12 PRs in 2 years 5 months
Contributions summary:Ace primarily contributed to the `runc` project by addressing bugs and improving the codebase related to container runtime functionality. Their work includes fixing potential panics, modifying namespace handling, and improving checkpoint/restore procedures. The contributions involve changes to low-level system calls and interactions with the CRIU checkpointing tool, showcasing expertise in container internals. The user also added test cases and refined existing tests for increased code coverage and reliability.
clicontainersdockeroci
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