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Title: Attaining Workload Scalability and Strong Consistency for Replicated Databases with Hihooi
Authors: Georgiou, Michael A. 
Panayiotou, Michael 
Odysseos, Lambros 
Paphitis, Aristodemos 
Sirivianos, Michael 
Herodotou, Herodotos 
Major Field of Science: Natural Sciences
Field Category: Computer and Information Sciences
Keywords: Database replication;Transaction processing;Workload scalability;Concurrency control
Issue Date: Jun-2021
Source: International Conference on Management of Data, 2021, 20-25 June
Conference: International Conference on Management of Data 
Abstract: Database replication can be employed for scaling transactional workloads while maintaining strong consistency semantics. However, past approaches suffer from various issues such as limited scalability, performance versus consistency tradeoffs, and requirements for database or application modifications. Hihooi is a new replication-based master-slave middleware system that is able to overcome the aforementioned limitations. The novelty of Hihooi lies in its modern architecture as well as its replication and transaction routing algorithms. In particular, Hihooi replicates all write statements asynchronously and applies them in parallel at the replica nodes, while ensuring replica consistency. At the same time, a fine-grained transaction routing algorithm ensures that all read transactions are load balanced to the replicas consistently. This demonstration will showcase the key functionalities of Hihooi, including (i) practical management of system components and databases (e.g., add a new replica node), (ii) increased scalability compared to state-of-the-art approaches, and (iii) support for elasticity by suspending and resuming database replicas online without service interruption.
ISBN: 9781450383431
DOI: 10.1145/3448016.3452746
Rights: © ACM
Attribution-NonCommercial-NoDerivatives 4.0 International
Type: Conference Papers
Affiliation : Cyprus University of Technology 
Appears in Collections:Δημοσιεύσεις σε συνέδρια /Conference papers or poster or presentation

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