“…In particular, we consider the class of applications known as Data Stream Processing and Analytics (DSPA) applications, which are used to process unbounded data streams in order to extract valuable information in a timely manner using a series of continuous operators such as aggregation, filtering, joining, etc. [1]. The data stream processing engine such as Apache Flink [2], Apache Kafka [3], Nebullastream [4], etc., are the main frameworks used to implement and deploy the DSPA applications and were essentially designed to be deployed in the cloud [5].…”