Data cataloging
Data catalog plays a crucial role in data governance and enables data analysts and scientists to discover and access data stored in a central data storage. It becomes particularly important during the data understanding and exploration phase of the ML life cycle when scientists need to search and comprehend available data for their ML projects. When evaluating a data catalog technology, consider the following key factors:
- Metadata catalog: The technology should support a central data catalog for effective management of data lake metadata. This involves handling metadata such as database names, table schemas, and table tags. The Hive metastore catalog is a popular standard for managing metadata catalogs.
- Automated data cataloging: The capability to automatically discover and catalog datasets, as well as infer data schemas from various data sources like Amazon S3, relational databases, NoSQL databases, and logs. Typically, this functionality is implemented through a crawler...