The road to all-flash (Part 1)

The road to all-flash (Part 1)

By Daniel Pehush and Gunter Zink The mission : Early beginnings A long, long time ago, on a chilly, dreary, afternoon in late fall of 2016, Jason Sturgeon, our hardware product owner here at Qumulo, conveyed to the hardware engineering team that our current and...
Page faults and high-performance storage

Page faults and high-performance storage

When analyzing the performance of a distributed storage system, there are many things to consider. The characteristics of your algorithms (both local and distributed), network topology, the throughput and latency capabilities of your underlying storage media, and many...
Attacking performance bottlenecks

Attacking performance bottlenecks

This post is not about what types of performance issues a clustered file storage system runs into; rather it will delve into the process of quickly finding those issues and removing them. That being said, many of the anecdotes and procedures are based in the field of...