Supercomputing centers are seeing increasing demand for user-defined software stacks
(UDSS), instead of or in addition to the stack provided by the center. These UDSS support …

As more scientific workloads are moved into the cloud, the need for high performance
accelerators increases. Accelerators such as GPUs offer improvements in both performance …

In a virtualization environment that serves multiple tenants, storage consolidation at the
filesystem level is desirable because it enables data sharing, administration efficiency, and …

Virtualization allows computing resources to be utilized much more efficiently than those in
traditional systems, and it is a strong driving force behind commoditizing computing …

In a virtualization environment that serves multiple customers (or tenants), storage
consolidation at the filesystem level is desirable because it enables data sharing …

Networked observational devices and remote sensing equipment continue to proliferate and
contribute to the accumulation of extreme-scale datasets. Both the rate and resolution of the …

Virtualization has attained mainstream status in enterprise IT industry. Despite its
widespread adoption, it is known that virtualization also introduces non-trivial overhead …

A filesystem-level storage cloud offers network-filesystem access to multiple customers at
low cost over the Internet. In this paper, we investigate two alternative architectures for …

Virtualization introduces a significant amount of overhead for I/O intensive applications
running inside virtual machines (VMs). Such overhead is caused by two main sources:(1) …

Container engines with operating-system virtualization have been widely used and now
offer extensions to replace core functionalities that are derived from the host kernel. Because …