Designing Data Pipelines Using Hadoop
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This presentation will cover the design principles and techniques used to build data pipelines taking into consideration the following aspects: architecture evolution, capacity, data quality, ...
This presentation will cover the design principles and techniques used to build data pipelines taking into consideration the following aspects: architecture evolution, capacity, data quality, performance, flexibility and alignment with business objectives. The discussions will be based on the context of managing a pipeline with multi-petabyte data sets; a code-base composed of Java map/reduce jobs with HBase integration; Hive scripts and Kafka/Storm inputs. We?ll talk about how to make sure that data pipelines have the following features: 1) Assurance that the input data is ready at each step. 2) Workflows are easy to maintain. 3) Data quality and validation comes included in the architecture. Part of presentation will be dedicated to show how to organize the warehouse using layers of data sets. A suggested starting point for these layers are: 1) Raw Input (Logs, Messages, etc.), 2) Logical Input (Scrubbed data), 3) Foundational Warehouse Data (Most relevant joins), 4) Departmental/Project Data Sets and 5) Report Data Sets. (Used by Traditional Report engines) The final part will discuss the design of a rule-based system to perform validation and trending reporting.
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