What does Apache Atlas mean?
Apache Atlas is an open source project generated by the Hadoop community to solve the metadata governance problem of the Hadoop ecosystem. It provides metadata including data classification, centralized policy engine, data lineage, security and life cycle management for the Hadoop cluster. Data governance core capabilities.
Apache Atlas is an incubation project of the Apache Foundation and is the data governance and metadata framework of the Hadoop ecosystem. Atlas is a set of core basic governance services that has good scalability and scalability, can meet the diverse needs of enterprises for the Hadoop ecosystem, and can be integrated with the enterprise's data ecosystem.
The architecture of Apache Atlas is shown in the figure below:
Core Features
Apache Atlas is the element of Hadoop Data governance provides the following features:
1. Data classification
● Import or define business-oriented classification annotations for metadata
● Define, annotate, and automatically capture data Relationships between sets and underlying elements
● Export metadata to third-party systems
2. Centralized auditing
● Capture information related to all applications, processes, and interactions with data Secure access to information
● Capture information on execution, steps, activities and other operations
3. Search and lineage
● Predefined navigation paths for exploring data classification and auditing Information
● Text-based search features to quickly and accurately locate related data and audit events
● Visual browsing of data set lineage allows users to drill down to operations, securely And information related to data origin
4. Security and policy engine
● Reasonable compliance policy at runtime based on data classification mode, attributes and roles
● Based on classification- Advanced strategy definition for prediction to prevent data derivation
● Row/column level masking based on cell attributes and values
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