Posts

How fast can an integer be incremented and read over the network?

Building the CORFU distributed shared-log protocol on top of Ceph.

How fast can Ceph’s RADOS object store process a request?

Collecting execution traces in Ceph with LTTng userspace tooling.

How fast can Ceph split up and redistribute a collection of objects?

Tracing the flow of object request handling in Ceph.

Reducing contention by striping operations across placement groups.

We can combine operations on Ceph objects, but should we?

Tracking down and fixing a poorly performing Ceph application workload.

Offloading image thumbnail generation to Ceph using Lua.