Apache Kyuubi 是一个高性能的统一 JDBC 和 SQL 执行引擎，旨在帮助用户在大数据场景下像处理普通数据一样方便地进行数据处理和分析。它基于 Apache Spark 构建，支持多租户、高可用性和弹性资源管理，提供统一的 SQL 接口以处理 ETL、BI 分析等多种工作负载。文档详细介绍了其安装、配置、客户端使用、授权机制以及与不同数据源的连接器支持。

Apache Kyuubi 1.7.0 is a high-performance SQL execution engine designed to facilitate handling big data through a standardized JDBC interface. It supports multi-tenancy and high availability, ensuring secure and efficient data access. Kyuubi relies on Apache Spark for high-performance queries and integrates with various data sources via connectors. The system provides robust security, load balancing, and elastic resource management. It offers tools for monitoring, configuration, and extension, making it a versatile platform for data processing and analytics. The document also covers migration guidelines and best practices for deploying and maintaining Kyuubi in production environments.

Kyuubi Release 1.7.2 Apache Kyuubi Community Sep 18, 2023 ADMIN GUIDE 1 A Unified Gateway 3 1.1 Application Programming Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Multi-tenancy . . . . . . . . . . . . . .

Apache Kyuubi 1.8.0 is a unified multi-tenant JDBC interface built on Apache Spark, designed for large-scale data processing and analytics. It supports high performance, scalability, and security, with features like session management, resource elasticity, and integration with external systems. The document details configurations, monitoring, security, and migration guidelines, highlighting improvements and changes from previous versions. It also compares Kyuubi with HiveServer2 and Spark Thrift Server, emphasizing its enhanced capabilities in multi-tenancy, concurrency, and data security.

Apache Kyuubi 1.7.2 is a distributed and multi-tenant gateway designed to provide serverless SQL services for data warehouses and lakehouses. It supports multiple computing frameworks such as Spark, Flink, and Hive, enabling unified access to distributed datasets. The system features end-to-end multi-tenancy with centralized authentication and resource security, high availability through load balancing and failure detection, and fine-grained data security. Additionally, it offers various APIs and protocols for client connections, including Hive Thrift, RESTful APIs, and MySQL compatibility. The release also emphasizes community engagement and provides detailed guides for installation, configuration, and contributing to the project.

文档详细介绍了Apache Kyuubi 1.5.2的功能和配置，包括高可用性部署、监控机制、社区贡献指南以及版本发布流程。Kyuubi通过与Apache Zookeeper和Apache Curator的集成实现服务发现和协调，支持多租户隔离并依赖于Apache Spark进行查询处理。文档还涵盖了构建指南、配置详细信息以及如何使用JDBC连接到Kyuubi。

Apache Kyuubi 1.8.1 documentation provides comprehensive guidance on setting up and managing a unified gateway for large-scale data processing. It covers serverless SQL capabilities, high availability, multi-tenancy, and various engine configurations. The document also details extension points for custom functionality, session configuration management, and hot upgrade procedures. Additionally, it includes specific instructions for upgrading from previous versions and optimizing Spark SQL operations, such as small file merging and skewed join optimization.

Apache Kyuubi 是一个基于 Apache Spark 的统一多租户 JDBC 接口，用于大规模数据处理和分析。它支持多种计算引擎（如 Spark、Flink、Trino 等），提供高可用性、负载均衡和弹性资源管理。Kyuubi 提供强大的身份验证和授权服务，确保数据和元数据安全。文档详细介绍了其架构、安装、配置、监控和升级等内容，强调了其在大数据平台中的灵活性和高性能。

文档详细介绍了Apache Kyuubi 1.6.1的安装、配置和使用方法。Kyuubi是一个基于Apache Spark构建的统一多租户JDBC接口，支持与多种数据源的交互。文档涵盖了环境变量配置、系统设置、高可用性解决方案以及与Hive和Spark的集成。此外，还提供了如何通过JDBC驱动连接Kyuubi服务器的指导，并介绍了Kyuubi的SQL扩展功能，以优化查询性能。

文档介绍了Apache Kyuubi 1.3.0的功能和使用指南，包括多租户支持、并发和高可用性特性。Kyuubi支持多租户并发、基于ACL的访问控制，以及每账户一个Spark应用程序（SPA）。文档还涵盖了Kyuubi的高性能特性，如并发执行、快速响应和优化执行计划，基于Spark SQL Catalyst Optimizer。同时，文档详细说明了Kyuubi的构建工具，如使用Apache Maven进行构建，并支持不同Spark版本的构建。