한국정보과학회논문지:컴퓨팅의 실제 및 레터 (Journal of KIISE:Computing Practices and Letters)

한국정보과학회 (Korean Institute of Information Scientists and Engineers)
권호 표지

그리드 컴퓨팅 환경에서의 상대성능지수에 기반한 작업 이주

A Relative Performance Index-based Job Migration in Grid Computing Environment

  • 김영균 (금옥공과대학교 전자공학과) ;
  • 오길호 (금오공과대학교 컴퓨터공학부) ;
  • 조금원 (한국과학기술정보연구원 슈퍼컴퓨팅응용실) ;
  • 고순흠 (서울대학교 기계항공공학부)
  • 발행 : 2005.08.01
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⟨ 이전 논문 다음 논문 ⟩

초록

본 논문에서는 글로버스(Globus) 기반의 MPICH-G2와 Cactus를 갖는 그리드 컴퓨팅 환경에서 작업 마이그레이션(Job Migration)에 대해 연구를 수행하였다. 그리드 컴퓨팅 환경에서 연산의 실행시간을 단축시킬 수 있는 연산자원이 풍부한 사이트를 찾아 작업을 마이그레이션 한다. 마이그레이션 사이트에서 체크 포인팅 파일에 기반 하여 연산의 수행이 중단된 지점부터 복구하여 연산을 재개한다. 마이그레이션 사이트를 선택하기 위해 사이트의 정적인 성능 지수와 CPU의 부하, 마이그레이션 작업을 전송하기 위한 네트워크의 부하를 고려한 작업 전송시간, 마이그레이션 사이트에서의 실행시간 예측 값을 사용하여 마이그레이션 이득이 큰 사이트로 작업을 마이그레이션 한다. 작업의 마이그레이션 시간과 실행시간 예측 값이 최소로 하는 사이트를 선택함으로서 보다 효율적인 그리드 컴퓨팅을 수행할 수 있도록 한다. 제안한 방법은 $K\ast{Grid}$ 환경에서 전체 연산 시간을 효과적으로 단축함을 입증하였다.

In this paper, we research on job migration in a grid computing environment with cactus and MPICH-C2 based on Globus. Our concepts are to perform job migration by finding the site with plenty of computational resources that would decrease execution time in a grid computing environment. The Migration Manager recovers the job from the checkpointing files and restarts the job on the migrated site. To select a migrating site, the proposed method considers system's performance index, cpu's load, network traffic to send migration job tiles and the execution time predicted on a migration site. Then it selects a site with maximal performance gains. By selecting a site with minimum migration time and minimum execution time. this approach implements a more efficient grid computing environment. The proposed method Is proved by effectively decreasing total execution time at the $K\ast{Grid}$.

키워드

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