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Configuring Druid and Superset Metadata Stores in MySQL
About This Task Steps About This Task Druid and Superset require a relational data store to store metadata. To use MySQL for this, install MySQL and create a database for the D... -
OpenMldb
Description Key features Options cluster_mode [string] sql [string] database [string] host [string] port [int] zk_host [string] zk_path [string] session_timeout [int] req... -
Object
clone values eqProps keys omit pick pickAll project prop props keysIn path valuesIn toPairs toPairsIn propOr has hasIn assoc assocPath lens pickBy clone {*... -
Auxiliary Optimization Rules
Features Usage Additional Configurations Kyuubi provides SQL extension out of box. Due to the version compatibility with Apache Spark, currently we support Apache Spark branch-... -
Oracle 先决条件
由于 Amazon RDS 的限制 ，必须手动创建 Ranger 数据库用户和表空间，并且必须手动向 Ranger 数据库用户授予所需的权限。 使用主用户帐号（创建 RDS Oracle实例时创建的）登录 RDS Oracle 服务器，执行以下命令： create user $rangerdbuser identified by “ passw... -
Exceptions
JDOException Can Retry Exceptions Fatal Exceptions All exceptions raised by a JDO implementation are runtime exceptions which means that you can choose to catch the exceptions ... -
Streaming Reads
Spark Streaming Spark Streaming Structured Streaming reads are based on Hudi’s Incremental Query feature, therefore streaming read can return data for which commits and base fil... -
参数优先级
参数优先级 例子 参数优先级 DolphinScheduler 中所涉及的参数值的定义可能来自三种类型： 项目级别参数 ：在项目管理中定义的项目级别参数 全局参数 ：在工作流保存页面定义时定义的变量 启动参数 ：在工作流启动页面定义的变量 上游任务传递的参数 ：上游任务传递过来的参数 本地参数 ：节点的自有变量，用户在“自定义参数”定义的变量，并... -
Cloudera Hue
What is Hue Preparation Get Kyuubi Started Run Hue in Docker Configuration Start Hue in Docker For CDH 6.x Users What is Hue Hue is an open source SQL Assistant for Datab... -
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....