منابع مشابه
User-Level Parallel File I/O
Parallel disk I/O subsystems are becoming more important in today’s large-scale parallel machines. Parallel disk systems provide a significant boost in I/O performance reducing the gap between processor and disk speeds. We describe a Unix-like file I/O user interface, implemented in a parallel file I/O subsystem on an MIMD machine, the nCUBE 2. Based on message passing, we develop parallel disk...
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Abstract. Parallelism in file systems is obtained by using several independent server nodes supporting one or more secondary storage devices. This approach increases the performance and scalability of the system, but a fault in one single node can make the whole system fail. In order to avoid this problem, data must be stored using some kind of redundant technique, so that it can be recovered i...
متن کاملTwo-level Throughput and Latency IO Control for Parallel File Systems
Existing parallel file systems are unable to provide both throughput and response time guarantees for concurrent parallel applications. This limitation prevents different, competing applications from getting their desired performance as high-performance computing (HPC) systems continue to scale up and be used in a shared environment. This paper presents a new two-level scheduler for parallel st...
متن کاملA Toolkit for User-Level File Systems
This paper describes a C++ toolkit for easily extending the Unix file system. The toolkit exposes the NFS interface, allowing new file systems to be implemented portably at user level. A number of programs have implemented portable, user-level file systems. However, they have been plagued by low-performance, deadlock, restrictions on file system structure, and the need to reboot after software ...
متن کاملA User Level Modular File - system Infrastructure
This thesis discusses the design and implementation of a framework for constructing user-level modular filesystems. This framework facilitates incremental extension of previous systems as well as the code reuse and sharing between systems. Unlike previous works, this work focuses primarily on file servers rather clients, although it can be used for both. The framework described here provides a ...
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ژورنال
عنوان ژورنال: CLEI Electronic Journal
سال: 1998
ISSN: 0717-5000
DOI: 10.19153/cleiej.1.1.5