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为 HDF 服务安装数据库
安装和配置MySQL 安装和配置 Postgres 使用 Oracle 数据库 安装 Schema Registry、SAM、Druid 和 Superset 时，您需要一个关系数据存储来存储元数据。您可以使用 MySQL、Postgres、Oracle 或 MariaDB。这些主题描述如何安装 MySQL、Postgres 和 Oracle 以及如... -
Relation
countBy difference differenceWith unionWith union gt gte intersection lt lte max min propEq sortBy pathEq maxBy minBy equals identical countBy (a → String) → ... -
Install Databases for HDF services
Installing and Configuring MySQL Installing and Configuring Postgres Using an Oracle Database When installing Schema Registry, SAM, Druid, and Superset, you require a relationa... -
安装选项
步骤 下一步 更多信息 为了构建集群，集群安装向导会提示您提供有关如何设置集群的一般信息。您需要提供每台主机的 FQDN。该向导还需要访问您在设置无密码 SSH 时创建的私钥文件。使用主机名和密钥文件信息，向导可以定位、访问集群中的所有主机并与其安全地交互。 步骤 在 Target Hosts 中，输入主机名列表，每行一个。 您可以使用... -
GitHub 趋势日报 (2025年04月01日)
GitHub 趋势日报 (2025年04月01日) 📈 今日整体趋势 Top 10 📊 分语言趋势 Top 5 Go C++ Rust PHP Lua Kotlin TypeScript Jupyter Notebook Vim Script Ruby GitHub 趋势日报 (2025年04月01日) 本日报由 TrendF... -
Start the Ambari Server
Next Steps More Information Run the following command on the Ambari Server host: ambari - server start To check the Ambari Server processes: ambari - server status ... -
Event Logging
Event Logging StatsD Logging Event Logging Superset by default logs special action events in its internal database (DBEventLogger). These logs can be accessed on the UI by navi... -
TCK
Running the TCK Demonstrating Compliance In order to demonstrate compliance with the Java Data Objects specification, an implementation must pass all of the tests in the Technol... -
Install Postgres
Before You Begin Steps Before You Begin If you have already installed a MySQL database, you may skip these steps. You must install Postgres 9.5 or later for SAM and Schema R... -
Flink Writes
Flink Writes Iceberg support batch and streaming writes With Apache Flink ‘s DataStream API and Table API. Writing with SQL Iceberg support both INSERT INTO and INSERT OVERWRIT...
