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...
IOPS performance improvement and lock efficiency

IOPS performance improvement and lock efficiency

Today I’d like to talk about one particular day’s work that I found interesting. Our team was recently in the middle of investigating read performance for small but numerous requests, which had shown to be CPU-bound. About half of our CPU time was spent contending on...
A day in the life: Qumulo Demo Day

A day in the life: Qumulo Demo Day

It’s 4 p.m. in Seattle on a Friday during a release week. The new release branch has been cut and handed off to the certification team. It’s time to take a look at what new goodness made it in! Engineers and curious team members gather in the cafe, with snacks and...