Harshal Patil
Principal Software Engineer at Red Hat
Old Toronto, Ontario, Canada
Summary
🤩
Rockstar🎓
Top SchoolHarshal Patil is a Principal Software Engineer based in Toronto with 10+ years building and hardening cloud-native infrastructure, currently contributing to Kubernetes sig-node at Red Hat. He combines deep systems and runtime expertise—container runtimes, cgroups, kubelet configuration and CRI implementations—with hands-on DevOps and test automation experience demonstrated across high-profile projects like Kubernetes, CRI-O, cri-o, and cAdvisor. His work focuses on making complex cluster behaviors predictable and secure, from kubelet validation and auto-node-sizing to SELinux and encrypted container image support. Previously at IBM and Oracle, he shipped virtualization and multi-arch container tooling and has spoken at multiple KubeCon/Open Source Summit events on container security and runtimes. Colleagues rely on him for pragmatic fixes that bridge controllers, runtime dependencies, and robust test coverage.
10 years of coding experience
10 years of employment as a software developer
Savitribai Phule Pune University
Github Skills (28)
kubernetes10
container10
docker10
testing10
configuration-management10
container-runtime-interface10
containerization10
dockers10
occi10
go10
kubernetes-pods10
cri-o10
dependency-management9
fedora-coreos9
apidoc9
Programming languages (11)
Github contributions (5)
openshift/machine-config-operator
Jun 2020 - Nov 2022
Role in this project:
Back-end Developer
Back-end DeveloperContributions:40 reviews, 40 commits, 44 PRs in 2 years 5 months
Contributions summary:Harshal's contributions focused on validating and improving the Kubelet configuration within the machine-config-operator. They implemented validation checks for features like `kubeReserved`, `systemReserved`, `evictionSoft`, and `evictionHard` to prevent invalid configurations. Furthermore, they introduced and refined the auto-node-sizing functionality, ensuring proper integration of user-defined parameters and system resource reservations. The work involved modifying both the controller and test code, demonstrating a focus on both implementation and verification.
google/cadvisor
Jun 2020 - Oct 2021
Analyzes resource usage and performance characteristics of running containers.
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:7 reviews, 6 commits, 10 PRs in 1 year 5 months
Contributions summary:Harshal primarily contributed to improving the functionality and stability of the cadvisor project. This included fixing disk statistics gathering for specific device types by adding major/minor number retrieval. The user also bumped a dependency (runc) and addressed a race condition that caused errors by preventing them from being returned. Moreover, they refactored code related to housekeeping intervals, and ensured efficient container handling by evaluating the Raw Factory last. They also contributed to fix for network stats for container PID.
containerscharacteristicsdockeranalyzesperformance
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