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SIGMOD '94 Proceedings of the 1994 ACM SIGMOD international conference on Management of data
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Transaction Processing: Concepts and Techniques
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VLDB '90 Proceedings of the 16th International Conference on Very Large Data Bases
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NSDI'04 Proceedings of the 1st conference on Symposium on Networked Systems Design and Implementation - Volume 1
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Generalized file system dependencies
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EMSOFT '09 Proceedings of the seventh ACM international conference on Embedded software
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Transactions ensure simple and correct handling of concurrency and failures but are often considered too expensive for use in file systems. This paper argues that performance is not a barrier to running transactions. It presents a simple mechanism that substantially lowers the cost of read-only transactions (which constitute the bulk of operations in a file system). The approach is inexpensive: it requires modest additional storage, but storage is cheap. It causes read-only transactions to run slightly in the past, but guarantees that they nevertheless see a consistent state.