Francesco Pigozzi

Team Leader @ Cubbit

Francesco Pigozzi leads the core technology team at Cubbit, where he designs and operates geo-distributed object storage in Go.
With 10+ years across programming, cloud and systems, he pairs hands-on engineering with leading the team that owns it. He's data-driven to the bone, and he believes most architectural debates end when someone finally runs the benchmark. 
Outside work he plays the drums and shares his home with three cats.

Francesco Pigozzi
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This edition

300k Goroutines: The Plumbing of Distributed Storage
November 03 2026 - 14:45 (45 min )

Every plumber knows the rule: a leak doesn't announce itself. It waits. Go services learn the same lesson the expensive way.

The bug is always the same: a goroutine started, and never stopped. In one of our systems, 287,000 had accumulated before anyone noticed. Every fix was one line; every diagnosis took days; almost all surfaced in production, not in tests.

LEVEL: Introductory and Overview

300k Goroutines: The Plumbing of Distributed Storage

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