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Kaiyi

PROFILE

Kaiyi

Kaiyi Liu contributed to the sustainable-computing-io/kepler and kepler-metal-ci repositories by building features that enhanced power metrics observability, CI/CD reliability, and data visualization. He developed an experimental hwmon power metrics collector in Go, enabling configurable power usage monitoring for supported architectures. In kepler, he delivered a dashboard for node-level energy metrics, using Python and backend development skills to support historical and real-time analysis. For kepler-metal-ci, Kaiyi improved AWS runner management, integrated Prometheus-based monitoring, and stabilized CI environments with Ansible and shell scripting. His work demonstrated depth in configuration management, testing, and system monitoring, addressing both reliability and maintainability.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

21Total
Bugs
2
Commits
21
Features
6
Lines of code
3,746
Activity Months3

Work History

January 2026

1 Commits • 1 Features

Jan 1, 2026

January 2026 (2026-01) monthly summary for sustainable-computing-io/kepler. Delivered the Experimental Hwmon Power Metrics feature, enabling power metrics collection via the hwmon subsystem and an experimental config toggle. Implemented a hwmon device reader for architectures with hwmon sensors to acquire watts, added docs and unit tests, and established configuration support to enable the feature. This work increases observability of power usage and provides a foundation for power-aware optimizations. Focus this month was on instrumentation, configuration, and test coverage to drive reliability and business value.

May 2025

2 Commits • 1 Features

May 1, 2025

In May 2025, delivered the Energy Usage Dashboard in sustainable-computing-io/kepler to visualize node-level power metrics across energy zones and instances, including historical, total, average, and current Watts. Fixed the CI workflow to correctly fetch the head commit from forked PRs, enabling accurate dependency analysis for external contributions. Added tests for the node power metrics dashboard to improve reliability and prevent regressions. These changes enhance data-driven energy optimization capabilities and strengthen external contribution workflows, with measurable improvements in monitoring, quality assurance, and security posture.

November 2024

18 Commits • 4 Features

Nov 1, 2024

November 2024 performance highlights for sustainable-computing-io/kepler-metal-ci. Delivered end-to-end CI/CD improvements across AWS runners, observability, training log management, and CI stability. Implementations included reusable AWS EC2 runner workflows with key-name authentication, Prometheus-based monitoring enhancements, standardized training log naming and dated archival, and CI environment stability fixes. Additionally, AWS-trained model artifacts were reorganized under a dedicated train-validate-e2e-aws path to improve artifact traceability and provider separation.

Activity

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Quality Metrics

Correctness86.6%
Maintainability90.4%
Architecture84.8%
Performance82.8%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashGoJSONPythonShellYAML

Technical Skills

AWSAnsibleBackend DevelopmentCI/CDCloud ComputingConfigurationDashboard DevelopmentData VisualizationDevOpsGitHub ActionsGoPrometheusShell ScriptingSystem AdministrationSystem Configuration

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

sustainable-computing-io/kepler-metal-ci

Nov 2024 Nov 2024
1 Month active

Languages Used

BashJSONShellYAML

Technical Skills

AWSAnsibleCI/CDCloud ComputingConfigurationDevOps

sustainable-computing-io/kepler

May 2025 Jan 2026
2 Months active

Languages Used

GoPythonShellYAML

Technical Skills

Backend DevelopmentCI/CDDashboard DevelopmentData VisualizationGitHub ActionsSystem Monitoring