posts
2026
Five Claude Sessions and a Thread Dump
kafkaincidentsai-toolingHow we ran a parallel, evidence-disciplined incident investigation with Claude Code across metrics, logs and source, what worked, what nearly misled us, and what the humans still had to do.
Anatomy of a Kafka Lock Convoy
kafkaincidentsdistributed-systemsHow eight single-member consumers fetching 4,742 partitions each stalled a ten-broker Kafka 3.7 cluster one broker at a time, and why the metrics never noticed.
I help engineering teams untangle distributed systems, platform, and delivery problems. If that sounds like your week, email me at alex@bularca.me.