RBD latency with QD=1 bs=4k

You might be asking yourself, why talk about QD=1 bs=4k? Well, from the experience of Wido den Hollander, our colleague at 42on, a single thread IO latency is very important for many applications. What we see with benchmarks is that people focus on high amounts of bandwidth and large amounts of IOps. They simply go […]

ZFS and Ceph, what a lovely couple they make!

Stable, secure data storage is probably one of the most important things in today’s data driven world. With the ability to scale fast. Combining two great storage solutions provides you with all those in one. ZFS and Ceph are a couple that cannot easily be beaten! Why is that? The short explanation is scalability. ZFS […]