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 high-speed approximate nearest neighbor dense vector search engine.

GoKubernetesVector SearchDistributed SystemsCloud Native
πŸ’‘

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

Gache

⭐ 52
GitHub

Ultra-fast lock-free in-memory cache library with xxh3 hashing, TTL management, and key hash sharding.

GoCachePerformanceLock-freeZero-Alloc
πŸ’‘

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

Glg

⭐ 192
GitHub

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

GoLoggingPerformance
πŸ’‘

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
πŸ’‘

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

Garm

⭐ 3
GitHub

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

GoKubernetesAuthorizationAthenz
πŸ’‘

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

Athenz Authorizer

⭐ 9
GitHub

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

GoAthenzAuthorizationSecurity
πŸ’‘

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

Authorization Proxy

⭐ 8
GitHub

Kubernetes sidecar reverse proxy for API endpoint authentication and authorization using Athenz. Supports OAuth2, role tokens, and mTLS.

GoKubernetesAthenzSidecarReverse Proxy
πŸ’‘

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

Athenz Client Sidecar

⭐ 8
GitHub

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

GoKubernetesAthenzSidecarSecurity
πŸ’‘

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