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Caching of key-value stores in the data plane / Caching av nyckel-värde-databaser i dataplanet

The performance of distributed key-value stores is usually dependent on its underlying network, and have potential to improve read/write latencies by improving upon the per- formance of the network communication. We explore the potential performance increase by designing an experimental in-network cache based on NetCache in the switch data plane for the distributed key-value store DXRAM, and placing it on a programmable switch that connects the peers in a DXRAM storage cluster. To accomodate DXRAM which uses TCP for its transport protocol, we also design a TCP flow state translator for the cache and implement an experimental version of this cache design. Benchmark runs with the cache show that best-case item read latency for DXRAM is reduced to approximately half and prove the potential performance gain that can be expected once a proper cache is designed and implemented.

Identiferoai:union.ndltd.org:UPSALLA1/oai:DiVA.org:kau-74457
Date January 2019
CreatorsLarsson, Samuel
PublisherKarlstads universitet, Institutionen för matematik och datavetenskap (from 2013)
Source SetsDiVA Archive at Upsalla University
LanguageEnglish
Detected LanguageEnglish
TypeStudent thesis, info:eu-repo/semantics/bachelorThesis, text
Formatapplication/pdf
Rightsinfo:eu-repo/semantics/openAccess

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