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Design and Implementation of Metadata Cache Management Strategy for the Distributed File System
Jingning Liu (Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology), Junjian Chen (Foshan University), Wei Tong (Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology), Lei Tian (Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology), Cong Chen (Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology)
Abstract: Caching strategies and the resulting cache coherence control technique have become the key techniques for the system development.Based on the study of the cache technology of the home and abroad distributed file systems, and combined with the design requirements and characteristics for our multi-user parallel file system Cappella, this paper proposes a new meta-data cache management strategy.And this strategy not only improves the performance of metadata services, reducing the user access latency, but also controls metadata cache consistency very well.