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Title:Read Atomic Transactions with Prevention of Lost Updates: ROLA and its Formal Analysis
Author(s):Liu, Si; Olveczky, Peter C.; Wang, Qi; Gupta, Indranil; Meseguer, José
Subject(s):Distributed Database Systems
Transaction Protocols
Consistency Models
Performance Evaluation
Statistical Model Checking
Rewriting Logic
Maude
Abstract:Designers of distributed database systems face the choice between stronger consistency guarantees and better performance. A number of applications only require read atomicity (RA) (either all or none of a transaction's updates are visible to other transactions) and prevention of lost updates (PLU). Existing distributed transaction systems that meet these requirements also provide additional stronger consistency guarantees (such as causal consistency), but this comes at the price of lower performance. In this paper we propose a new distributed transaction protocol, ROLA, that targets application scenarios where only RA and PLU are needed. We formally specify ROLA in Maude. We then perform model checking to analyze both the correctness and the performance of ROLA. For correctness, we use standard model checking to analyze ROLA's satisfaction of RA and PLU. To analyze performance we: (a) perform statistical model checking to analyze key performance properties; and (b) compare these performance results with those obtained by also modeling and analyzing in Maude the well-known protocols Walter and Jessy that also guarantee RA and PLU. Our statistical model checking results show that ROLA outperforms both Walter and Jessy.
Issue Date:2018-10
Genre:Technical Report
Type:Text
Language:English
URI:http://hdl.handle.net/2142/101836
Date Available in IDEALS:2018-10-01


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