Distributed-Systems

• The 100‑Microsecond Rule: Why Tail Latency Eats Your Throughput (and How to Fight Back) · 2025-10-04

  A field guide to taming P99 in modern systems—from queueing math to NIC interrupts, from hedged requests to adaptive concurrency. Practical patterns, pitfalls, and a blueprint you can apply this week.

• The Quiet Calculus of Probabilistic Commutativity · 2025-09-27

  A practical calculus for quantifying when non-commutative operations in distributed systems can be safely executed without heavyweight coordination.

• The Hidden Backbone of Parallelism: How Prefix Sums Power Distributed Computation · 2025-09-21

  Discover how the humble prefix sum (scan) quietly powers GPUs, distributed clusters, and big data frameworks—an obscure but essential building block of parallel and distributed computation.

• Timeouts, Retries, and Idempotency Keys: A Practical Guide · 2022-09-08

  Make your distributed calls safe under partial failure. How to budget timeouts, avoid retry storms, and use idempotency keys without shooting yourself in the foot.

• Raft Fast‑Commit and PreVote in Practice · 2020-11-09

  What fast‑commit and PreVote actually change in Raft, how they affect availability during leader changes, and where the footguns are.

• Tuning the Dial: Adaptive Consistency at Planet Scale · 2020-03-11

  Inside the engineering of databases that adjust consistency on the fly without breaking user trust.

• When Data Centers Learned to Sleep: Energy-Aware Scheduling in Practice · 2019-07-19

  An engineer’s chronicle of how hyperscale fleets embraced energy-aware scheduling without sacrificing latency or trust.