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Performance Studies Of Dynamic Load Balancing In Distributed Systems
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Book Synopsis Performance Studies of Dynamic Load Balancing in Distributed Systems by : University of California, Berkeley. Computer Science Division
Download or read book Performance Studies of Dynamic Load Balancing in Distributed Systems written by University of California, Berkeley. Computer Science Division and published by . This book was released on 1987 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Distributed systems are often characterized by uneven loads on hosts and other resources. In this thesis, the problems concerning dynamic load balancing in loosely-coupled distributed systems are studied using trace-driven simulation, implementation, and measurement. Information about job CPU and I/O demands is collected from three production systems and used as input to a simulator that includes a representative CPU scheduling policy and considers the message exchange and job transfer costs explicitly. A prototype load balancer is implemented in the Berkeley UNIX and Sun/UNIX environments, and the results of a large number of measurement experiments performed on six workstations are presented.
Book Synopsis A Performance Study of Distributed Dynamic Load Balancing Techniques by : Pratibha Kote
Download or read book A Performance Study of Distributed Dynamic Load Balancing Techniques written by Pratibha Kote and published by . This book was released on 1990 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scheduling in Distributed Computing Environment Using Dynamic Load Balancing by : Priyesh Kanungo
Download or read book Scheduling in Distributed Computing Environment Using Dynamic Load Balancing written by Priyesh Kanungo and published by Anchor Academic Publishing. This book was released on 2016-08 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book illustrates various components of Distributed Computing Environment and the importance of distributed scheduling using Dynamic Load Balancing. It describes load balancing algorithms for better resource utilization, increasing throughput and improving user’s response time. Various theoretical concepts, experiments, and examples enable students to understand the process of load balancing in computing cluster and server cluster. The book is suitable for students of Advance Operating Systems, High Performance Computing, Distributed Computing in B.E., M.C.A., M. Tech. and Ph.D courses.
Book Synopsis Optimal Load Balancing in Distributed Computer Systems by : Hisao Kameda
Download or read book Optimal Load Balancing in Distributed Computer Systems written by Hisao Kameda and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: An important consideration in improving the performance of a distributed computer system is the balancing of the load between the host computers. Load balancing may be either static or dynamic; static balancing strategies are generally based on information about the system's average behavior rather than its actual current state, while dynamic strategies react to the current state when making transfer decisions. Although it is often conjectured that dynamic load balancing outperforms static, careful investigation shows that this view is not always valid. Recent research on the problem of optimal static load balancing is clearly and intuitively presented, with coverage of distributed computer system models, problem formulation in load balancing, and effective algorithms for implementing optimization. Providing a thorough understanding of both static and dynamic strategies, this book will be of interest to all researchers and practitioners working to optimize performance in distributed computer systems.
Book Synopsis Dynamic Load Distribution for Parallel Applications by : Georg Stellner
Download or read book Dynamic Load Distribution for Parallel Applications written by Georg Stellner and published by Springer-Verlag. This book was released on 2013-07-29 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Using Dynamic Load Balancing in Distributed Information Systems by : M. Kara
Download or read book Using Dynamic Load Balancing in Distributed Information Systems written by M. Kara and published by . This book was released on 1994 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "Networking computers has provided a great potential for performance improvement of job execution through dynamic load balancing. In effect, the literature on this subject concludes that dynamic load balancing algorithms can significantly reduce jobs waiting time. The application of these encouraging results onto real systems has proven to be difficult due to the complexity, lack of support, and lack of adequate software tools for constructing distributed load balancing systems. This paper presents the design, implementation and a performance analysis of a dynamic load balancing system. The performance evaluation is undertaken using an Office Information System (OIS) as a case study. The dynamic load balancing prototype has been developed using a distributed programming model which supports dynamic configuration. It is argued that this latter exhibits capabilities that are essential for a system operating in a changing and evolving environment. The overall system has been implemented and tested on a network on Sun4 workstations. The performance results presented are consistent over a range of experiments and clearly demonstrate the benefits gained from load balancing. It is shown that up to 60% performance improvement can be attained under a moderate workload."
Book Synopsis Dynamic Load Balancing Algorithms in Homogeneous Distributed Systems by : Chi-Yin Huang Hsu
Download or read book Dynamic Load Balancing Algorithms in Homogeneous Distributed Systems written by Chi-Yin Huang Hsu and published by . This book was released on 1986 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Adaptive Load Balancing for Algorithms for Distributed Systems by : I. D. Johnson
Download or read book A Study of Adaptive Load Balancing for Algorithms for Distributed Systems written by I. D. Johnson and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A FRAMEWORK FOR SCALABLE DISTRIBUTED JOB PROCESSING WITH DYNAMIC LOAD BALANCING USING DECENTRALIZED APPROACH by : Dr P. SrinivasaRao
Download or read book A FRAMEWORK FOR SCALABLE DISTRIBUTED JOB PROCESSING WITH DYNAMIC LOAD BALANCING USING DECENTRALIZED APPROACH written by Dr P. SrinivasaRao and published by Lulu.com. This book was released on 2017-12-30 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: A distributed system consists of many heterogeneous processors with different processing power and all processors are interconnected with a communication channel. In such a system, if some processors are less loaded or idle and others are heavily loaded, the system performance will be reduced drastically. System performance can be improved by using proper load balancing [1, 4]. The aim of load balancing is to improve the performance measures and reduce the overall completion time and cost
Book Synopsis Performance comparison of dynamic load-balancing strategies for distributed computing[ by :
Download or read book Performance comparison of dynamic load-balancing strategies for distributed computing[ written by and published by . This book was released on 1998 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Load-Balancing for Distributed Heterogeneous Computing of Parallel CFD Problems by :
Download or read book Dynamic Load-Balancing for Distributed Heterogeneous Computing of Parallel CFD Problems written by and published by . This book was released on 2000 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scheduling in Distributed Computing Environment Using Dynamic Load Balancing by : Priyesh Kanungo
Download or read book Scheduling in Distributed Computing Environment Using Dynamic Load Balancing written by Priyesh Kanungo and published by Anchor Academic Publishing. This book was released on 2016-05-26 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book illustrates various components of Distributed Computing Environment and the importance of distributed scheduling using Dynamic Load Balancing. It describes load balancing algorithms for better resource utilization, increasing throughput and improving user’s response time. Various theoretical concepts, experiments, and examples enable students to understand the process of load balancing in computing cluster and server cluster. The book is suitable for students of Advance Operating Systems, High Performance Computing, Distributed Computing in B.E., M.C.A., M. Tech. and Ph.D courses.
Book Synopsis Scheduling and Load Balancing in Parallel and Distributed Systems by : Behrooz A. Shirazi
Download or read book Scheduling and Load Balancing in Parallel and Distributed Systems written by Behrooz A. Shirazi and published by Wiley-IEEE Computer Society Press. This book was released on 1995-05-14 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the future directions of the static scheduling and dynamic load balancing methods in parallel and distributed systems. It provides an overview and a detailed discussion of a wide range of topics from theoretical background to practical, state-of-the-art scheduling and load balancing techniques.
Book Synopsis Dynamic Load Balancing on Web Server System by : Santanu Kumar Misra
Download or read book Dynamic Load Balancing on Web Server System written by Santanu Kumar Misra and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Load Balancing for Parallel and Distributed Systems by : Zhiling Lan
Download or read book Dynamic Load Balancing for Parallel and Distributed Systems written by Zhiling Lan and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: There are many scientific applications for which the computational load varies throughout the execution and causes uneven distribution of workload during run-time. One such class of applications is Adaptive Mesh Refinement (AMR) applications. AMR is a type of multiscale algorithm that achieves high resolution in localized regions of dynamic, multidimensional numerical simulations. A typical AMR application may require enormous computing resources, which usually cannot be satisfied by a single-processor machine, thereby requiring parallel and distributed systems. One of the key issues related to AMR is dynamic load balancing (DLB), which allows large-scale adaptive applications to run efficiently on parallel and distributed systems. In investigating DLB schemes, we first complete a detailed analysis of structured AMR (SAMR) applications, identifying the unique characteristics that impose severe challenges on DLB schemes. The results indicate that most of the available DLB schemes are not appropriate for SAMR applications due to their unique adaptive characteristics. Thus, we propose a novel dynamic load balancing scheme for SAMR applications on parallel systems (denoted as parallel DLB). It integrates a grid-splitting technique with direct grid movements, for which the objective is to reduce the parallel execution time. Further, our experiment shows that simply moving a DLB scheme designed for parallel systems to distributed systems will introduce significant overhead. Therefore, we propose a framework for dynamic load balancing on distributed systems (denoted as distributed DLB). It takes into consideration: (1) heterogeneity of processors, (2) heterogeneity of networks, (3) shared nature of networks, and (4) adaptive characteristics of the applications. For SAMR applications, the distributed DLB incorporates the proposed parallel DLB during the load balancing process. Both parallel DLB and distributed DLB were implemented in the ENZO code, a parallel implementation of SAMR in astrophysics and cosmology. Experiments show that the proposed DLB schemes can significantly improve the performance of SAMR applications on both parallel and distributed systems in terms of the total execution time and the quality of load balancing.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Trace-driven Simulation Study of Dynamic Load Balancing by : Songnian Zhou
Download or read book A Trace-driven Simulation Study of Dynamic Load Balancing written by Songnian Zhou and published by . This book was released on 1986 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A trace-driven simulation study of dynamic load balancing in homogeneous distributed systems supporting broadcasting is presented. We use information about job CPU and I/O demands collected from a production system as input to a simulation mode l that includes a representative CPU scheduling policy and considers the message exchange and job transfer costs explicitly. Seven load balancing algorithms are simulated and their performances compared. We find that load balancing is capable of significa ntly reducing the mean and standard deviation of job response times, especially under heavy system load, and for jobs with high resource demands. The performances of all hosts, even those originally with light loads, are generally improved by load balanci ng. The reduction of the mean response time increases with the number of hosts, but levels off at around 30 hosts. Algorithms based on periodic or non-periodic load information exchange provide similar performance, and, among the periodic policies, the al gorithms that use a distinguished agent to convert and distribute load information cut down the overhead and scale better. They are also the most appropriate algorithms for adaptive load balancing, which has the potential of offering near-optimal performa nce under a wide spectrum of system configurations and load conditions. System instability in the form of host overloading is possible when the load information is not up-to-date and the system is under heavy load; however, this undesirable phenomenon can be alleviated by simple measures. Load balancing is still very effective even when up to half of the eligible jobs have to be executed locally. The trace-driven simiulation approach to the study of load balancing is found to be critical and effective, an d is recommended for use before implementation efforts.
