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NUMA의 특성을 고려한 원격 퍼시스턴트 메모리 디스어그리게이션
남재윤(Jaeyoun Nam),차호근(Hokeun Cha),이병건(ByeongKeon Lee),남범석(Beomseok Nam) Korean Institute of Information Scientists and Eng 2021 정보과학회논문지 Vol.48 No.7
The disaggregation method is used for efficient resource management in large-scale data centers, where each server consists of NUMA nodes. In the NUMA architecture, the latency difference between the remote and local access is known to be significant. In particular, remote NUMA access to persistent memory is even higher than DRAM. In this study, we propose Xpass, a memory disaggregation framework that considers the locality of NUMA architecture in a persistent memory disaggregation system. Xpass uses the dynamic hash table - CCEH to manage cached pages, and proposes a segment split algorithm that considers load balancing between the NUMA nodes in a NUMA environment.