Saino, L;
Psaras, I;
Leonardi, E;
Pavlou, G;
(2020)
Load Imbalance and Caching Performance of Sharded Systems.
IEEE/ACM Transactions on Networking
, 28
(1)
pp. 112-125.
10.1109/TNET.2019.2957075.
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Abstract
Sharding is a method for allocating data items to nodes of a distributed caching or storage system based on the result of a hash function computed on the item's identifier. It is ubiquitously used in key-value stores, CDNs and many other applications. Despite considerable work that has focused on the design and implementation of such systems, there is limited understanding of their performance in realistic operational conditions from a theoretical standpoint. In this paper we fill this gap by providing a thorough modeling of sharded caching systems, focusing particularly on load balancing and caching performance aspects. Our analysis provides important insights that can be applied to optimize the design and configuration of sharded caching systems.
| Type: | Article |
|---|---|
| Title: | Load Imbalance and Caching Performance of Sharded Systems |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/TNET.2019.2957075 |
| Publisher version: | https://doi.org/10.1109/TNET.2019.2957075 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Sharding, load balancing, caching |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10093525 |
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