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  • System Metadata Tables

    4359 2024-06-22 《Apache Accumulo 2.x》
    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...
  • 8.2 The two-way workflow between R Markdown and Word

    4358 2024-05-24 《R Markdown Cookbook》
    While it is easy to generate a Word document from R Markdown, things can be particularly painful when someone else edits the Word document and you have to manually port the change...
  • Configure Kyuubi to use Custom Authentication

    4358 2024-07-05 《Apache Kyuubi 1.9.1》
    Build A Custom Authenticator Enable Custom Authentication Besides the builtin authentication methods, kyuubi supports custom authentication implementations of org.apache.kyuubi...
  • quick-start-seatunnel-engine

    Step 1: Deployment SeaTunnel And Connectors Step 2: Add Job Config File to define a job Step 3: Run SeaTunnel Application What’s More Step 1: Deployment SeaTunnel And Connect...
  • 5.3 Control the width of text output

    4354 2024-05-24 《R Markdown Cookbook》
    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...
  • Kudu

    Support Kudu Version Support Those Engines Key Features Data Type Mapping Sink Options Task Example Simple: Multiple Table Changelog 2.2.0-beta 2022-09-26 2.3.0-beta 2022-...
  • Upgrade

    4351 2024-05-20 《Apache Answer 1.3.0》
    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...
  • Hive CLI

    Hive CLI 综述 Hive CLI任务 VS 连接Hive数据源的SQL任务 创建任务 任务参数 任务样例 Hive CLI任务样例 Hive CLI 综述 使用Hive Cli任务插件 创建Hive Cli 类型的任务执行SQL脚本语句或者SQL任务文件。 执行任务的worker会通过hive -e 命令执行hive SQL脚本语...
  • SLES 12

    Steps Next Step More Information On a server host that has Internet access, use a command line editor to perform the following Steps Before installing Ambari, you must upda...
  • 自监控

    夜莺 5.x 版本有 n9e-webapi 和 n9e-server 两个模块,这俩模块都暴露了 /metrics 接口,所以,夜莺自身组件的监控,就有两个做法,做法一: 搞一个单独的 Prometheus,抓取 n9e-webapi 和 n9e-server 的 /metrics 的数据 在这个单独的 Prometheus 里配置 up 指标的告...