Johan Tordsson

Reducing Noisy-Neighbor Impact with a Fuzzy Affinity-Aware Scheduler

2015

Overbooking techniques have been proven efficient to increase overall utilization of cloud datacenters. However, overbooking may also degrade applications performance as (at least) some applications need to share physical resources such as CPU or memory. …

Online Spike Detection in Cloud Workloads

2015

We investigate methods for detection of rapid workload increases (load spikes) for cloud workloads. Such rapid and unexpected workload spikes are a main cause for poor performance or even crashing applications as the allocated cloud …