P99 Blog

Read articles on low-latency engineering and P99 CONF

Modern storage is plenty fast. It is the APIs that are bad.

I have spent almost the entire last decade in a fairly specialized product company, building high performance I/O systems. I had the opportunity to see storage technology evolve rapidly and decisively. Talking about storage and its developments felt like preaching to the choir.

What We’ve Learned after 6 Years of IO Scheduling

Scheduling requests of any kind always serves one purpose — gain control over priorities of those requests. In the priorities-less system one doesn’t need to schedule; just putting whatever arrives into the queue and waiting when it finishes is enough.

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On Coordinated Omission

Many of us have heard of Coordinated Omission (CO), but few understand what it means, how to mitigate the problem, and why anyone should bother. Or, perhaps, this is the first time you have heard of the term. So let’s begin with a definition of what it is and why you should be concerned about it in your benchmarking.

P99 CONF 2021 Agenda Online

P99 CONF is the conference for low-latency high-performance distributed systems. An event by engineers for engineers, P99 CONF brings together speakers from across the tech landscape spanning all aspects, from architecture and design, to the latest techniques in operating systems and development languages, to databases and streaming architectures, to real-time operations and observability. P99 CONF …