Abstract: A Data Grid connects a collection of geographically distributed computational and storage resources that enables users to share data and other resources. Data replication, a technique much discussed by Data Grid researchers in recent years creates multiple copies of file and places them in various locations to shorten file access times. In this paper, a dynamic data replication strate...

conclusions according to the results of this study, the accuracy of the file length in improved digital images showed no significant difference in comparison with the actual file length. materials and methods using an analytical-diagnostic method, an access cavity was prepared in 36 mandibular and maxillary premolar teeth. a file # 15 was inserted into the canal of each tooth until the tip of t...

A Wavelet tree allows direct access to the underlying file, resulting in the fact that the compressed file is not needed any more. We adapt, in this paper, the Wavelet tree to Fibonacci Codes, so that in addition to supporting direct access to the Fibonacci encoded file, we also increase the compression savings when compared to the original Fibonacci compressed file.

Abstract: The applications in Android based smartphones generate unique IO requests; however, existing IO workload generators and trace capturing tools are designed to neither generate nor capture the IO requests of Android apps. In this paper, we introduce the Android storage performance analysis Tool (AndroStep) which is specifically designed for characterizing and analyzing the behavior of t...

Many applications require the ability to obtain exclusive access to data, where an application is granted privileges to an object that cannot be preempted and limits the actions of other processes. Local file systems support exclusive access to files by maintaining information about the access rights of current open file instances, and checking subsequent opens for compatibility. Implementing e...

In this paper, we present a study of low-level disk access patterns for three workloads for a variety of file systems. While there has been a great deal of work on disk architectures, there has been very little work measuring actual low-level disk access. We have extended previous work to also consider different file systems to examine their effect on the workload. The analysis is done based on...

Mirror sites approach has been proposed recently for reducing the access delay and providing load balancing in network servers. In the mirror site approach a file, such as a multimedia book, is replicated and dispersed over multiple servers and can be requested in parallel. However., to limit the bandwidth waste, each server maintains not the entire file but only a portion of it. Current soluti...

In order to reduce register file's peak temperature in an embedded processor we propose RELOCATE: an architectural solution which redistributes the access pattern to physical registers through a novel register allocation mechanism. RELOCATE regionalizes the register file such that even though accesses within a region are uniformly distributed, the activity levels are spread over the entire regi...

Villaseñor, Eric Ph.D., Purdue University, May 2015. Improving Capacity-Performance Tradeoffs in the Storage Tier. Major Professor: Mithuna Thottethodi. Data-set sizes are growing. New techniques are emerging to organize and analyze these data-sets. There is a key access pattern emerging with these new techniques, large sequential file accesses. The trend toward bigger files exists to help amor...