Design and implementation of DAG-Based co-scheduling of RPC in the grid

Authors:
JiHyun Choi;DongWoo Lee;R. S. Ramakrishna;Michael Thomas;Harvey Newman
Affiliations:
Department of Information and Communication, Gwangju Institute of Science and Technology, Republic of Korea;Department of Information and Communication, Gwangju Institute of Science and Technology, Republic of Korea;Department of Information and Communication, Gwangju Institute of Science and Technology, Republic of Korea;California Institute of Technology, Pasadena, CA;California Institute of Technology, Pasadena, CA
Venue:
ICCS'05 Proceedings of the 5th international conference on Computational Science - Volume Part III
Year:
2005

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Abstract

Effective scheduling in the Grid consisting of heterogeneous and distributed resources is imperative in order to counter unacceptably large overheads of the Grid. We proposed the grid middleware (pyBubble) supporting the DAG based co-scheduling for improving the performance of the RPC mechanism. DAG based co-scheduling reduces redundant transmission of input and output data from execution of the sequence of related client requests, thereby decongesting the network. We demonstrate the efficiency of DAG based co-scheduled RPC in experiments compared with the overhead of the traditional RPC mechanism.