How we hunted a 5x P90 regression through batching, zonal affinity, concurrency, networking, and lying metrics — and found 8 milliseconds hiding in Envoy’s Redis buffer flush threshold.
How we hunted a 5x P90 regression through batching, zonal affinity, concurrency, networking, and lying metrics — and found 8 milliseconds hiding in Envoy’s Redis buffer flush threshold.
Kishor Kommanaboina is a Staff Software Engineer at Snap Inc., where he leads caching and storage infrastructure serving hundreds of millions of users — Valkey/Redis clusters at 250M+ QPS across AWS and GCP. He led Snap's fleet-wide KeyDB-to-Valkey migration and drove a multi-million dollar infrastructure efficiency roadmap. He spoke at Unlocked Conference 2026 ("Tweaking Valkey for High Write Rate Workloads") alongside Valkey maintainers from AWS and Google. Before Snap, he built data platforms at Twitter and Amazon. He holds a B.Tech from IIIT Hyderabad.
