NDLI: Incorporating job migration and network RAM to share cluster memory resources

Content Provider	IEEE Xplore Digital Library
Author	Xiao, L. Zhang, X. Kubricht, S.A.
Copyright Year	2000
Description	Author affiliation: Dept. of Comput. Sci., Coll. of William & Mary, Williamsburg, VA, USA (Xiao, L.)
Abstract	Job migrations and network RAM are two approaches for effectively using global memory resources in a workstation cluster, aimed at reducing page faults in each local workstation and improving the overall performance of cluster computing. Using either remote executions or pre-emptive migrations, a load-sharing system is able to migrate a job from a workstation without sufficient memory space to a lightly loaded workstation with a large idle memory space for the migrated job. In a network RAM system, if a job cannot find sufficient memory space for its working sets, it utilizes idle memory space from other workstations in the cluster through remote paging. Conducting trace-driven simulations, we have compared the performance and tradeoffs of the two approaches and their impacts on job execution time and cluster scalability. Job migration-based load-sharing schemes are able to balance executions of jobs in a cluster well, while network RAM is able to satisfy data-intensive jobs which may not be migratable by sharing all the idle memory resources in a cluster. A network RAM cluster of workstations is scalable only if the network is sufficiently fast. We propose an improved load-sharing scheme by combining job migrations with network RAM for cluster computing. This scheme uses remote execution to initially allocate a job to the most lightly loaded workstation and, if necessary, network RAM to provide a larger memory space for the job than would be available otherwise. The improved scheme has the merits of both job migrations and network RAM. Our experiments show its effectiveness and scalability for cluster computing.
Starting Page	71
Ending Page	78
File Size	830370
Page Count	8
File Format	PDF
ISBN	0769507832
ISSN	10828907
DOI	10.1109/HPDC.2000.868636
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-08-04
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Read-write memory Random access memory Workstations Computer networks Computer science Educational institutions Military computing Sun Delay Telecommunication traffic
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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