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Amazon EMR
Amazon EMR 综述 任务参数 任务样例 创建EMR集群并运行Steps 向运行中的EMR集群添加Step 注意事项： Amazon EMR 综述 Amazon EMR 任务类型，用于在AWS上操作EMR集群并执行计算任务。 后台使用 aws-java-sdk 将JSON参数转换为任务对象，提交到AWS，目前支持两种程序类型： ... -
Choose Services
Steps Next Step More Information Based on the Stack chosen during the Select Stack step, you are presented with the choice of Services to install into the cluster. A Stack com... -
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 ... -
Security Overview
Security Overview Implementation Security Overview Accumulo has the following security features: Only authenticated users can access Accumulo. Kerberos can be enabled to re... -
2. Auxiliary SQL Functions for Spark SQL
Auxiliary SQL Functions for Spark SQL Auxiliary SQL Functions for Spark SQL Kyuubi provides several auxiliary SQL functions as supplement to Spark’s Built-in Functions ... -
健康检查
健康检查 背景 Endpoint API-Server Master-Server Worker-Server Alert-Server 健康检查 背景 运行状况检查旨在提供一种独特的方法来检查 Dolphinscheduler 服务的运行状况。它包括模块的运行状况，例如 DB、缓存、网络等等。 Endpoint API-Serve... -
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... -
7.9 Use a custom HTML template (*)
We mentioned LaTeX templates in Section 6.10 . You can also specify a custom HTML template for Pandoc to convert Markdown to HTML. Below is a brief example template: <html> ... -
Object States
Detecting Object State Persisting an object Updating an object Deleting an object Possible state transitions JDO manages the lifecycle of an object, from creation (Transient ... -
Relation
countBy difference differenceWith unionWith union gt gte intersection lt lte max min propEq sortBy pathEq maxBy minBy equals identical eqBy clamp sortWith inn...
