Is Data Migration Evil in the NVM File System?

Jungwook Han,Hongsu Byun,Hyungjoon Kwon,Sungyong Park,Youngjae Kim

2021 IEEE International Conference on Autonomic Computing and Self-Organizing Systems Companion (ACSOS-C)（2021）

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摘要

The NVM file system often exhibits unstable I/O performance in a NUMA server environment due to frequent remote memory accesses when threads and data are exclusively placed on different NUMA nodes. Further, multiple threads may use all of the available bandwidth of the Integrated Memory Controller (iMC), causing an iMC bottleneck. NThread partly addresses the problems above by maximizing local mem...

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关键词

File systems,Nonvolatile memory,Instruction sets,Linux,Memory modules,Throughput,Data models

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