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Publication

EFA: A Viable Alternative to RDMA over InfiniBand for DBMSs?

Tobias Ziegler; Dwarakanandan Bindiganavile Mohan; Viktor Leis; Carsten Binnig
In: Spyros Blanas; Norman May (Hrsg.). International Conference on Management of Data. ACM SIGMOD International Conference on Management of Data (SIGMOD), June 13, Philadelphia, PA, USA, Pages 10:1-10:5, ACM, 2022.

Abstract

RDMA over InfiniBand offers high bandwidth and low latency which provides many benefits for distributed DBMSs. However, in the cloud RDMA is still not widely available. Instead, cloud providers often invest in their own high-speed networking technology and start to expose their own native networking interfaces. For example, the largest cloud provider, Amazon Web Services (AWS), introduced instances with Elastic Fabric Adapter (EFA) in 2018. In this paper, we aim to analyze EFA as an alternative to RDMA in the cloud by performing an in-depth and systematic evaluation.

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