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System Metadata Tables
Accumulo tracks information about tables in metadata tables. The metadata for most tables is contained within the metadata table in the accumulo namespace, while metadata for that... -
Trino JDBC Driver
Instructions Start Kyuubi Trino Server Install Trino JDBC JDBC URL Instructions Kyuubi currently supports the Trino connection protocol, so we can use Trino-JDBC to connect t... -
版本升级指南
升级前准备 找到升级脚本 执行升级脚本 示例：从 2.0.0 升级到 2.1.2 验证升级 遇到问题怎么办 下一步 升级前准备 在开始升级之前，请确保已完成以下准备工作，以确保升级过程顺利进行。 备份数据库 ：非常重要的一步，确保有完整的数据库备份，以便在升级过程中遇到问题时可以恢复到升级前的状态。 检查版本兼容性 ：确认当前的版本号，... -
Sqoop
SQOOP 节点 综述 创建任务 任务参数 任务样例 配置 Sqoop 环境 配置 Sqoop 任务节点 查看运行结果 SQOOP 节点 综述 SQOOP 任务类型，用于执行 SQOOP 程序。对于 SQOOP 节点，worker 会通过执行 sqoop 命令来执行 SQOOP 任务。 创建任务 点击项目管理 -> 项目名称 -... -
Configure Kyuubi to use Custom Authentication
Build A Custom Authenticator Enable Custom Authentication Besides the builtin authentication methods, kyuubi supports custom authentication implementations of org.apache.kyuubi... -
Upgrade
We recommend that you back up database and configuration files before upgrading. Generally, we guarantee that the upgrade does not affect the existing data. To back up data mean... -
5.3 Control the width of text output
Sometimes the text output printed from R code may be too wide. If the output document has a fixed page width (e.g., PDF documents), the text output may exceed the page margins. Se... -
Configuring Ambari to use RedHat Satellite or Spacewalk
Table 6.1. Example Channel Names for Hortonworks Repositories Next Step The Ambari Server uses Version Definition Files (VDF) to understand which product and component versions ... -
Relation
countBy difference differenceWith unionWith union gt gte intersection lt lte max min propEq sortBy pathEq maxBy minBy equals identical eqBy clamp sortWith c... -
5.6 Verbatim code chunks
Show a verbatim inline expression Typically we write code chunks and inline expressions that we want to be parsed and evaluated by knitr . However, if you are trying to write a t...
