A Distributed Key-Value Store Implementation and evaluation of two strategies for lookup in distributed databases

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dc.contributor.authorBergkvist, Olle
dc.contributor.authorEriksson, Peter
dc.contributor.authorJarmar, Julia
dc.contributor.authorSällberg, Kristian
dc.contributor.authorÖdlund, Joel
dc.contributor.departmentChalmers tekniska högskola / Institutionen för data- och informationsteknik (Chalmers)sv
dc.contributor.departmentChalmers University of Technology / Department of Computer Science and Engineering (Chalmers)en
dc.date.accessioned2019-07-03T13:31:34Z
dc.date.available2019-07-03T13:31:34Z
dc.date.issued2014
dc.description.abstractThis report describes the design, implementation and testing of a database; more speci - cally, a distributed, scalable key-value store able to handle many concurrent queries. A central issue when building this type of system is how to search for a speci c node in the distributed data space. Two di erent algorithms, solving this issue in di erent ways, have been imple- mented and compared against each other through benchmark testing. One of these algorithms is the Chord algorithm described by Stoica et al in 2001, the other an altered version which is referred to as FCN (Fully Connected Network) throughout this report. While they build upon the same general idea of how to distribute data over the available space, they di er greatly in the amount of connections between nodes in the network. The report also describes the testing environment used to test these algorithms against each other. Both the database and the testing environment were implemented in Erlang. Within the con nes of the tests, the database showed good signs of scalability and concurrent query handling. The tests also showed great di erences in query-per-second performance for the two algorithms, with FCN having a much higher throughput. Chord, on the other hand, adapted more quickly to changes in large networks. This was not measured empirically but concluded from simulation and analysis. It became clear that FCN was more well suited than Chord in an application where quick lookups are treasured and the network is relatively stable.
dc.identifier.urihttps://hdl.handle.net/20.500.12380/203648
dc.language.isoeng
dc.setspec.uppsokTechnology
dc.subjectData- och informationsvetenskap
dc.subjectComputer and Information Science
dc.titleA Distributed Key-Value Store Implementation and evaluation of two strategies for lookup in distributed databases
dc.type.degreeExamensarbete för kandidatexamensv
dc.type.degreeBachelor Thesisen
dc.type.uppsokM2
local.programmeDatateknik 300 hp (civilingenjör)
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