O

observability

Rust implementation of GitLab's observability library (LabKit) - logging, metrics, tracing, correlation IDs

Metaport helps web and software development teams plan application maintenance better.

Local agent-session record lake: Parquet + DuckDB over harness transcripts. Cost analytics, correction mining, simulation priors.

Simple one-off job monitoring

Production-focused DevOps / Platform Engineering portfolio covering Kubernetes, Terraform/OpenTofu, GitLab CI/CD, observability, cloud networking and S3/OBS.

Flutter capture hooks and presentation integration for Ark Error Manager.

Centralized, policy-driven error management for Dart applications.

Hardened OpenTelemetry setup for Go services (OTLP logs, metrics, traces) — part of the phpboyscout Go toolkit · https://observability.go.phpboyscout.uk

Comprehensive, cardinality-safe Prometheus instrumentation for Go services: a scrapeable /metrics endpoint (Go runtime + process + build-info collectors), optional pprof, mounted on your server or a standalone one. The pull/scrape counterpart to the OTel go/observability modules. Lean core; go/transport, gRPC and OTel isolated in opt-in subpackages. · https://transport-metrics.go.phpboyscout.uk

Lightweight Kafka wrapper for Go, built on franz-go. Simplifies batch consumption, Share Groups, transactions, exactly-once processing (EOS), and observability.

Rust library for NVMe device telemetry on Linux, SMART/health logs, controller identity, error logs, and OCP extended SMART, via typed structs over direct ioctls.

Grafana hackathon agent: Gemini + ADK investigates premiere-night playback 5xx via Grafana Cloud MCP (grafana:read). MIT.

The Open Source Observability Distribution

Local-first observability for personal AI infrastructure: network traffic attribution and AI token usage · 本地优先的个人 AI 基础设施可观测：网络流量归因与 AI Token 用量

Opt-in, consent-gated anonymous usage telemetry with pluggable sinks. Part of the phpboyscout Rust toolkit. · https://telemetry.rust.phpboyscout.uk

My logging stack

GRU is an Aonz.ai chat and PDF retrieval Chatbot with a React/Vite frontend and a FastAPI backend. It routes Aonz.ai questions through a Chroma knowledge base and sends unrelated questions directly to an OpenAI-compatible LiteLLM proxy. Requests are traced with Langfuse and responses can be cached in Valkey using exact and semantic matching.

Lightweight ClickHouse wrapper for Go, built on clickhouse-go with pool management, sharding, and observability.

Lightweight PostgreSQL wrapper for Go, built on pgx with pool management, clustering, sharding, and observability.