I/O-bandwidth management for production-quality services
Tuesday, March 5, 2019 This article guides us through the techniques used to guarantee I/O bandwidth to clients, containers, virtual machines and any other type of entities accessing shared storage. Probably unexpectedly, we'll discover that these techniques entail dramatic throughput losses (up to 80-90%). On the bright side, we will also see a new solution that seems to give hope for recovering at least 90% of the loss.