Distributed Rate Limiter
Token-bucket limiter in Go, with a Lua script that stops two instances spending the same token.
allowed-path throughput (hey, 200 conns, hot client)70-79K req/sin-mem, p99 ~13ms
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06 projectsdistributed systems, backend infrastructure, and web applications.
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Idempotency Layer
Go HTTP middleware guaranteeing exactly-once execution per key under concurrent retries.
Exactly-once execution per key under concurrent retries. Replays stored responses, 409 on conflict.
Sysiq
System-design playground: wire services together, then watch the load balancer buckle under the traffic you gave it.
Drag-and-drop architecture diagrams with live system simulators.
Text Search Engine
Full-text search in Go: an inverted index, a small query parser, and an HTTP server with no search dependency.
Inverted index from scratch, serving .txt search over plain HTTP.
Cognia
Notes, videos, tweets, and links in shared workspaces, with JWT auth and per-workspace access rules.
JWT auth with workspace-scoped access control across notes, videos, and links.
trix-icons
Animated React icon library (29 icons) with a CLI that installs owned component source.
29 icons, documented motion vocabulary, reduced-motion safe.