Jiffy: A Lightweight Jini File System Service
نویسندگان
چکیده
Jiffy is a distributed file system implemented to take advantage of Sun Microsystems’s Jini Technology. This paper contains quantitative results gathered from an experiment that compared the performance of Jiffy against the Andrew File System. The experiment compared the two file systems using several workloads and several simultaneous clients in order to determine the scalability of the system and to locate places that lead to possible overhead. Based on the results of the experiments, we argue that Jiffy is indeed an efficient file system, because it is able to take advantage of clientside caching, callbacks, and session semantics for sharing, each contributing to reduced traffic with the server. Our results show that in many cases Jiffy is able to outperform AFS. We examine possible influences on the data and conclude that for a specific class of clients, a file system built on top of Jini Technology can be extremely efficient and robust.
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تاریخ انتشار 2011