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CATS: linearizability and partition tolerance in scalable and self-organizing key-value stores
RISE, Swedish ICT, SICS. Computer Systems Laboratory.
RISE, Swedish ICT, SICS. Computer Systems Laboratory.
RISE, Swedish ICT, SICS. Computer Systems Laboratory.
Number of Authors: 3
2012 (English)Report (Other academic)
Abstract [en]

Distributed key-value stores provide scalable, fault-tolerant, and self-organizing storage services, but fall short of guaranteeing linearizable consistency in partially synchronous, lossy, partitionable, and dynamic networks, when data is distributed and replicated automatically by the principle of consistent hashing. This paper introduces consistent quorums as a solution for achieving atomic consistency. We present the design and implementation of CATS, a distributed key-value store which uses consistent quorums to guarantee linearizability and partition tolerance in such adverse and dynamic network conditions. CATS is scalable, elastic, and self-organizing; key properties for modern cloud storage middleware. Our system shows that consistency can be achieved with practical performance and modest throughput overhead (5%) for read-intensive workloads.

Place, publisher, year, edition, pages
Kista, Sweden: Swedish Institute of Computer Science , 2012, 7.
SICS Technical Report, ISSN 1100-3154 ; 2012:04
Keyword [en]
atomic consistency, partition tolerance, scalability, self-organization, elasticity, fault tolerance, dynamic reconfiguration, distributed key-value stores
National Category
Computer and Information Sciences
URN: urn:nbn:se:ri:diva-24030OAI: diva2:1043109
Available from: 2016-10-31 Created: 2016-10-31 Last updated: 2018-01-13Bibliographically approved

Open Access in DiVA

fulltext(489 kB)