Open Source Projects

Projects I've founded, maintain, and contribute to. Production-grade libraries and platforms used at LY Corporation scale.

Vald

⭐ 1,697

GitHub

A highly scalable distributed approximate nearest neighbor dense vector search engine

GoKubernetesVector SearchDistributed SystemsCloud Native

💡

Used by LY Corporation for similar image search, ad delivery, and recommendations. 99th percentile latency ≤50ms. Infrastructure costs reduced to ~1/10.

Glg

⭐ 192

GitHub

High-speed logging library for Go with leveled logging and colorized output, designed for high-volume log output

GoLoggingPerformance

💡

Standard library within LY Corporation for mission-critical Go applications including Vald and ad delivery infrastructure.

Fastime

⭐ 56

GitHub

Super fast time library for Go with zero memory allocation, returning approximate current time via background goroutine

GoPerformanceTimeZero-Alloc

💡

Widely adopted within LY Corporation's Go ecosystem for low-overhead time retrieval in performance-critical paths.

Gache

⭐ 52

GitHub

Ultra-fast lock-free in-memory cache library using concurrent map and xxhash

GoCachePerformanceLock-freexxhash

💡

Standard library used across LY Corporation's mission-critical Go services including Vald and Athenz products.

Athenz Authorizer

⭐ 9

GitHub

Go library that caches Athenz policies and certificates for authentication and authorization of service requests

GoAthenzAuthorizationSecurity

💡

Core component of the transparent auth proxy that keeps policy cache within the sidecar, dramatically reducing communication overhead.

Athenz Client Sidecar

⭐ 8

GitHub

Kubernetes sidecar container providing a common interface to retrieve authentication and authorization credentials from Athenz server

GoKubernetesAthenzSidecarSecurity

💡

Handles N-token, access token, and role token retrieval with automatic caching and renewal.

Authorization Proxy

⭐ 8

GitHub

Kubernetes sidecar reverse proxy for API endpoint authentication and authorization using Athenz

GoKubernetesAthenzSidecarReverse Proxy

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Transparent authentication proxy avoiding inline Athenz queries, part of the Athenz OSS ecosystem built from scratch.

Garm

⭐ 3

GitHub

Kubernetes authorization webhook integrating with Athenz for fine-grained RBAC access control on K8s resources

GoKubernetesAuthorizationAthenz

💡

Deployed to 1300+ Kubernetes clusters as company-wide SSoT platform. Reduced per-engineer auth implementation from 3 days to 30 minutes.