Topical Takes

Short, opinionated posts on eBPF, Linux internals, and the tools we all run in production.

AlleBPF8linux7observability5yeet4HTTP2kubernetes2networking2tcpdump2802.111AI agents1ai-sre1Cilium1integration-testing1Redis1RESP1rf1root-cause-analysis1security1slowlog1uprobes1websocket1wifi1wireless1wss1

Why Is My Redis Slow in 2026? How to See What Your App Is Actually Sending

Redis latency has two shapes: the server is blocked, or your app is asking too much. Slowlog, INFO commandstats and redis-cli --latency answer the first. None of them tell you which key pattern is eating your traffic or which process sent it. Here is how to read the traffic itself, live, with redissnoop and yeet.

RediseBPFlinuxobservabilityRESPslowlogyeet
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