Abstract
Serverless computing is an emerging cloud computing paradigm, being adopted to develop a wide range of software applications. It allows developers to focus on the application logic in the granularity of function, thereby freeing developers from tedious and error-prone infrastructure management. Meanwhile, its unique characteristic poses new challenges to the development and deployment of serverless-based applications. To tackle these challenges, enormous research efforts have been devoted. This article provides a comprehensive literature review to characterize the current research state of serverless computing. Specifically, this article covers 164 articles on 17 research directions of serverless computing, including performance optimization, programming framework, application migration, multi-cloud development, testing and debugging, and so on. It also derives research trends, focus, and commonly-used platforms for serverless computing, as well as promising research opportunities.
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