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QiOi: Performance Isolation for Hyperledger Fabric

Department of Computer Science and Engineering, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul 02841, Korea
Author to whom correspondence should be addressed.
Academic Editor: Heung-No Lee
Appl. Sci. 2021, 11(9), 3870;
Received: 31 March 2021 / Revised: 18 April 2021 / Accepted: 20 April 2021 / Published: 25 April 2021
(This article belongs to the Special Issue New Trends on Blockchain Technology)
This paper investigates the performance interference of blockchain services that run on cloud data centers. As the data centers offer shared computing resources to multiple services, the blockchain services can experience performance interference due to the co-located services. We explore the impact of the interference on Fabric performance and develop a new technique to offer performance isolation for Hyperledger Fabric, the most popular blockchain platform. First, we analyze the characteristics of the different components in Hyperledger Fabric and show that Fabric components have different impacts on the performance of Fabric. Then, we present QiOi, component-level performance isolation technique for Hyperledger Fabric. The key idea of QiOi is to dynamically control the CPU scheduling of Fabric components to cope with the performance interference. We implement QiOi as a user-level daemon and evaluate how QiOi mitigates the performance interference of Fabric. The evaluation results demonstrate that QiOi mitigates performance degradation of Fabric by 22% and improves Fabric latency by 2.5 times without sacrificing the performance of co-located services. In addition, we show that QiOi can support different ordering services and chaincodes with negligible overhead to Fabric performance. View Full-Text
Keywords: blockchain; performance interference; performance isolation; cloud computing; private blockchain; Hyperledger Fabric blockchain; performance interference; performance isolation; cloud computing; private blockchain; Hyperledger Fabric
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MDPI and ACS Style

Kim, J.; Lee, K.; Yang, G.; Lee, K.; Im, J.; Yoo, C. QiOi: Performance Isolation for Hyperledger Fabric. Appl. Sci. 2021, 11, 3870.

AMA Style

Kim J, Lee K, Yang G, Lee K, Im J, Yoo C. QiOi: Performance Isolation for Hyperledger Fabric. Applied Sciences. 2021; 11(9):3870.

Chicago/Turabian Style

Kim, Jeongsu, Kyungwoon Lee, Gyeongsik Yang, Kwanhoon Lee, Jaemin Im, and Chuck Yoo. 2021. "QiOi: Performance Isolation for Hyperledger Fabric" Applied Sciences 11, no. 9: 3870.

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