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cs.DB2023
Veer: Verifying Equivalence of Dataflow Versions in Iterative Data Analytics (Extended Version)
Sadeem Alsudais, Avinash Kumar, Chen Li
Data analytics using GUI-based dataflows is an iterative process in which an analyst makes many iterations of changes to refine the dataflow, generating a different version at each…
cs.DB2022
Fries: Fast and Consistent Runtime Reconfiguration in Dataflow Systems with Transactional Guarantees (Extended Version)
Zuozhi Wang, Shengquan Ni, Avinash Kumar +1
A computing job in a big data system can take a long time to run, especially for pipelined executions on data streams. Developers often need to change the computing logic of the jo…