The layered design of the Linux operating system hides the liveness of file system data from the underlying block layers. This lack of liveness information prevents the storage sy...
— Checkpointing is an indispensable technique to provide fault tolerance for long-running high-throughput applications like those running on desktop grids. This paper argues that...
Samer Al-Kiswany, Matei Ripeanu, Sudharshan S. Vaz...
The wealth of data available about a person’s computer activity is immense. Digital forensic sciences have progressed such that tools are readily available to recover deleted da...
Companies providing cloud-scale services have an increasing need to store and analyze massive data sets such as search logs and click streams. For cost and performance reasons, pr...
evel of abstraction, we can represent a workflow as a directed graph with operators (or tasks) at the vertices (see Figure 1). Each operator takes inputs from data sources or from ...