Version [1.0]- [SAMbA-RaP is music to scientists’ ears: Adding provenance support to spark-based scientific workflows]

Abstract

While researchers benefit from Apache Spark for executing scientific workflows at scale, they often lack provenance support due to the framework’s design limitations. This paper presents SAMbA-RaP, a provenance extension for Apache Spark. It focuses on: (i) Executing external, black-box applications with intensive I/O operations within the workflow while leveraging Spark’s in-memory data structures, (ii) Extracting domain-specific data from in-memory data structures and (iii) Implementing data versioning and capturing the provenance graph in a workflow execution. SAMbA-RaP also provides real-time reports via a web interface, enabling scientists to explore dataflow transformations and content evolution as they run workflows.

Keywords

• Provenance
• Scientific workflows
• DISC systems
• Domain data