Practical DevOps for Big Data and UML Diagrams Course
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Practical DevOps for Big Data and UML Diagrams Overview
What is Practical DevOps for Big Data and UML Diagrams?
Documenting Big Data Architectures can entail re-use of classical notations for software architecture description augmented with appropriate notations aimed at isolating and identifying the data-intensive nature of Big Data applications. In this vein, the DICE ecosystem offers a plethora of ready-to-use tools and notations to address a variety of quality issues (performance, reliability, correctness, privacy-by-design, etc.). In order to make profit of these tools, the user has to use the explicit notation we have defined to support their scenario. The notation in question entails building specific UML diagrams enriched with specific profiles, that is, the standard UML mechanism to design domain-specific extensions --- in our case, the mechanism in question was used to define stereotypes and tagged values inside the DICE Profiles and specific to model data-intensive constructs, features, and characteristics. The DICE profiles tailor the UML meta-model to the domain of DIAs. For example, the generic concept of Class can become more specific, i.e., to have more semantics, by mapping it to one or many concrete Big Data notions and technical characteristics, such as, compute and storage nodes (from a more abstract perspective) or Storm Nimbus nodes. Besides the power of expression, the consistency of the models behind the DICE profile remains guaranteed thanks to the meta-models and their relations we defined using the UML standard. In essence, the role of these diagrams and their respective profiles is twofold:
- Provide a high level of abstraction of concepts specific to the Big Data domain (e.g., clusters, nodes…) and to Big Data technologies (e.g., Cassandra, Spark…);
- Define a set of technical (low level) properties to be checked/evaluated by tools.
- Methodological Overview
- Existing Solutions and UML Modelling Summary
- Quick Reference Scenario
- DICE UML Modelling in Action: A Sample Scenario
- Step a: DPIM Model
- Step b and c: DPIM Model Refinement
- Step d: DTSM Model Creation
- Step e: DDSM Model Creation
Course Category: Big Data
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