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Preserving Reciprocal Consistency in Distributed Graph Databases

Lookup NU author(s): Jack Waudby, Dr Paul Ezhilchelvan, Professor Jim Webber, Emeritus Professor Isi Mitrani

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This is the authors' accepted manuscript of a conference proceedings (inc. abstract) that has been published in its final definitive form by ACM Press, 2020.

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Abstract

Our earlier work identifies reciprocal consistency as an important property that must be preserved in distributed graph databases. It also demonstrates that a failure to do so seriously undermines the integrity of the database itself in the long term. Reciprocal consistency can be maintained as a part of enforcing any known isolation guarantee and such an enforcement is also known to lead to reduction in performance. Therefore, in practice, distributed graph databases are often built atop BASE databases with no isolation guarantees, benefiting from good performance but leaving them susceptible to corruption due to violations of reciprocal consistency. This paper designs and presents a lightweight, locking-free protocol and then evaluates the protocol's abilities to preserve reciprocal consistency and also offer good throughput. Our evaluations establish that the protocol can offer both integrity guarantees and sound performance when the value of its parameter is chosen appropriately.


Publication metadata

Author(s): Waudby J, Ezhilchelvan P, Webber J, Mitrani I

Editor(s): Fekete,A; Kleppmann,M;

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 7th Workshop on Principles and Practice of Consistency for Distributed Data

Year of Conference: 2020

Pages: Article No 2, 1-7

Online publication date: 27/04/2020

Acceptance date: 16/03/2020

Date deposited: 28/10/2020

Publisher: ACM Press

URL: https://doi.org/10.1145/3380787.3393675

DOI: 10.1145/3380787.3393675

Library holdings: Search Newcastle University Library for this item

ISBN: 9781450375245


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