The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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The Analysis of Efficient Disk Buffer Management Policies to Develop Undesignated Cultural Heritage Management and Real-time Theft Chase

실시간 비지정 문화재 관리 및 도난 추적 시스템 개발을 위한 효율적인 디스크 버퍼 관리 정책 분석

  • 최준형 ((재)경북IT융합산업기술원) ;
  • 황상호 ((재)경북IT융합산업기술원) ;
  • 천승만 ((재)경북IT융합산업기술원)
  • Received : 2023.10.20
  • Accepted : 2023.12.27
  • Published : 2023.12.31
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Abstract

In this paper, we present a system for undesignated cultural heritage management and real-time theft chase, which uses flash-based large-capacity storage. The proposed system is composed of 3 parts, such as a cultural management device, a flash-based server, and a monitoring service for managing cultural heritages and chasing thefts using IoT technologies. However flash-based storage needs methods to overcome the limited lifespan. Therefore, in this paper, we present a system, which uses the disk buffer in flash-based storage to overcome the disadvantage, and evaluate the system performance in various environments. In our experiments, LRU policy shows the number of direct writes in the flash-based storage by 10.7% on average compared with CLOCK and FCFS.

본 논문에서는 플래시 기반 대용량 저장매체를 활용하는 비지정 문화재의 관리와 실시간 도난 추적을 위한 시스템을 제안한다. 제안하는 시스템은 IoT 기술을 활용하여 문화재의 관리 및 도난 추적을 위한 문화재 관리장치, 플래시 기반 서버 및 관제 서비스로 구성된다. 하지만 플래시 기반 저장매체는 제한된 수명을 가지므로 이를 보완하기 위한 방안이 반드시 필요하다. 따라서 본 논문에서는 대용량 플래시 기반 저장매체에 내장된 디스크 버퍼를 활용하여 단점을 극복한 시스템을 제안하며 다양한 환경의 워크로드를 통하여 디스크 버퍼 관리 정책의 성능평가를 진행하였다. 실험결과로 CLOCK와 FCFS에 비하여 LRU 정책이 10.7% 적은 플래시 기반 저장매체 쓰기 횟수를 보였다.

Keywords

Acknowledgement

본 연구는 문화재청 및 국립문화재연구소의 2021년도 '문화유산 스마트 보존·활용 기술 개발' 사업으로 수행되었음. (과제명: 나홀로 문화재 도난 방지를 위한 지능형 도난 경보 및 실시간 도난 추적 기술 개발, 과제번호: 2021A01D05-003, 기여율: 100%)

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