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The processing of massive numbers of small files is a challenge in the design of distributed file systems. Currently, the combined-block-storage approach is prevalent. However, the approach employs the traditional file systems such as ExtFS and may cause inefficiency when accessing small files randomly located in the disk. This paper focuses on optimizing the performance of data servers in accessing...
The processing of massive small files is a challenge in the design of distributed file systems. Currently, the combined-block-storage approach is prevalent. However, the approach employs traditional file systems like ExtFS and may cause inefficiency for random access to small files. This paper focuses on optimizing the performance of data servers in accessing massive small files. We present a Flat...
In this work, we present an efficient fine-grained sharing approach of encrypted files. A concept named safe capsule (SC) is proposed as the organization unit for files. By using safe capsule, user can provide one of the fine-grained access permissions of their own data to others, such as read-only. Data are encrypted(decrypted) transparently when writing(reading) to keep its privacy.
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