Hey! I'm Umegbewe, also known as Great. I've been writing software for as long as I can remember. Primarily worked on infrastructure and backend systems.
Currently an SRE at Botanix Labs working on reliability and performance for blockchain infrastructure.
Interests: systems performance, kernels, networking.
Off-hours: philosophy, maths, avant-garde jazz rap
Writing
- Per-Process Network Stats on macOS with NetworkStatistics.framework
Exploring the private NetworkStatistics.framework behind nettop and building a small C tool for per-process network counters on macOS
- MVCC in Hyperledger Fabric
How MVCC works in Hyperledger Fabric, why transactions may conflict at commit time and mitigation patterns
- On Position Letter Frequency
Projects
- darwin-exporterexport per-process metrics on macOS prometheus style
- dhcpda fast dhcp server with bitmaps for lease allocation
- coreutils-goseveral coretuils programs reimplemented in Go