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Merging Semantics for Conflict Updates in Geo-Distributed File Systems

Vinh Tao Thanh 1, 2 Marc Shapiro 2 Vianney Rancurel 1
2 Regal - Large-Scale Distributed Systems and Applications
LIP6 - Laboratoire d'Informatique de Paris 6, Inria Paris-Rocquencourt
Abstract : We present our model of file systems and our merging semantics for resolving conflict updates in geo-distributed file systems. The system model fully describes a file system with all of its components including hard links. This model is able to identify all conflict cases which are classified into direct, such as concurrent updates to the same file, and indirect, such as cycles in the namespace of the file system. The merging semantics resolve all types of conflicts while being able to preserve the effect of all conflict updates. Our implementation of the system and the merging semantics outperforms the existing systems in terms of feature completeness.
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https://hal.inria.fr/hal-01248190
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Submitted on : Thursday, December 24, 2015 - 9:42:49 AM
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Vinh Tao Thanh, Marc Shapiro, Vianney Rancurel. Merging Semantics for Conflict Updates in Geo-Distributed File Systems. ACM Int. Systems and Storage Conf. (Systor), 2015, Haifa, Israel. pp.10.1--10.12, ⟨10.1145/2757667.2757683⟩. ⟨hal-01248190⟩

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