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MetaData
XML MetaData Annotations All variants of JDO support specification of persistence using XML MetaData. JDO 2.1+ adds on the ability to specify persistence using Java annotations.... -
4. 安装 Ambari
要在集群中的单个主机上安装 Ambari 服务器，请完成以下步骤： 访问 Ambari 存储库 下载软件 下载 Ambari 存储库 安装 Ambari 服务器 设置 Ambari 服务器 -
Aggregation Functions
Data Setup min Using min() with Lists max stDev stDevP percentileCont percentileDisc count Using count(expression) to return the number of values Counting non-null value... -
11. Redis commands mapping
Redis command Sync / Async APIRedisson.create(config) Reactive APIredisson.reactive() RxJava3 APIredisson.rxJava() AUTH Config.setPassword() - - APPEND RBinarySt... -
6.1 Add LaTeX code to the preamble
The general structure of a LaTeX document is like this: \documentclass { article } % preamble \begin { document } % body \end { document } That is, you declare the d... -
Hive JDBC Driver
Instructions Install Hive JDBC JDBC URL Example Instructions Kyuubi is fully compatible with Hive JDBC and ODBC drivers that let you connect to popular Business Intelligence ... -
Event Listener
Introduction Support Those Engines API Event Data API Event Listener API Event Collect API Configuration Listener Zeta Engine Flink Engine Spark Engine Introduction The... -
Prepare the Environment
To deploy your Hortonworks stack using Ambari, you need to prepare your deployment environment: Set Up Password-less SSH Set Up Service User Accounts Enable NTP on the Cluster... -
为集群命名
步骤 下一步 步骤 在 Name your cluster 中, 输入要创建的集群的名称。 名称中不得使用空格或特殊字符。 如果您计划对集群进行 Kerberize，请考虑限制集群名称（不超过 12 个字符），以适应 Kerberos 主体将附加到集群名称字符串以及某些身份提供程序对主体名称总长度施加限制的事实。 选择 Next ... -
Install the Ambari Server
Follow the instructions in the section for the operating system that runs your installation host. RHEL/CentOS/Oracle Linux 7 SLES 12 Ubuntu 16 Ubuntu 18 Debian 9 Use a com...