Apache Kudu Technical Overview and Architecture

This document is a technical overview of Apache Kudu, a columnar storage manager designed for the Hadoop platform. It outlines Kudu's key features, including its ability to process OLAP workloads efficiently and its integration with various Hadoop ecosystem components like MapReduce and Spark. The document details Kudu's architecture within a Cloudera Data Platform (CDP) public cloud deployment, emphasizing its scalability and high availability through a distributed cluster model. It describes the roles of master nodes and tablet servers, the use of the Raft consensus algorithm for fault tolerance, and the replication of tablets to ensure data integrity. Additionally, the document discusses the limitations of Kudu, including schema design and integration constraints with Hive, and provides examples of use cases where Kudu can be effectively utilized. Overall, the document serves as a comprehensive guide for understanding the operational capabilities and architectural framework of Apache Kudu.