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ISTC-CC Abstract
iBalloon: Efficient VM Memory Balancing as a Service
Proceedings of the IEEE International Conference on Web Services (IEEE ICWS 2016). Acceptance Rate: 13%. June 27 - July 2, 2016, San Francisco, USA.
Qi Zhang, Ling Liu, Jiangchun Ren, Gong Su*, Arun Iyengar*
Georgia Institute of Technology
*IBM Research - T. J. Watson
Dynamic VM memory management via the balloon driver is a common strategy to manage the memory resources of VMs under changing workloads. However, current approaches rely on kernel instrumentation to estimate the VM working set size, which usually result in high run-time overhead. Thus system administrators have to tradeoff between the estimation accuracy and the system performance. This paper presents iBalloon, a light-weight, accurate and transparent prediction based mechanism to enable more customizable and efficient ballooning policies for rebalancing memory resources among VMs. Experiment results from well known benchmarks such as Dacapo and SPECjvm show that iBalloon is able to quickly react to the VM memory demands, provide up to 54% performance speedup for memory intensive applications running in the VMs, while incurring less than 5% CPU overhead on the host machine as well as the VMs.
FULL PAPER: pdf
