멀티미디어, 트랜잭션처리, 실시간 데이터 저장 등과 같은 응용에서 I/O 성능의 보장은 필수적이다. 그러나 디스크 입출력 성능은 프로세스 처리 속도의 증가와 비교하면 상대적으로 낮다. 최근 고속의 입출력 의 DRAM 기반 SSD의 도입을 통해 I/O 병목을 해결할 수 있다. 기존의 연구는 SSD 장치를 대상으로 한 다양한 작업 부하에 따른 성능 분석에 대한 연구가 진행되고 못하고 있다. 본 논문에서는 리눅스 운영체제 환경에서 DRAM 기반의 SSD를 활용한 차세대 저장 시스템인 NGS를 위한 전용시스템 설계를 목적으로 한다. 이를 위해 리눅스 기반의 파일시스템을 대상으로 성능평가를 수행한다.
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