-
Getting Started
Using Iceberg in Spark 3 Adding catalogs Creating a table Writing Reading Next steps The latest version of Iceberg is 1.5.2 . Spark is currently the most feature-rich compu... -
Arrays
first initial last rest flatten without union intersection difference uniq zip unzip object chunk indexOf lastIndexOf sortedIndex findIndex findLastIndex range ... -
Config File Encryption And Decryption
Introduction How to use How to implement user-defined encryption and decryption Introduction In most production environments, sensitive configuration items such as passwords a... -
Procedures
Usage Named arguments Positional arguments Snapshot management rollback_to_snapshot Usage Output Example Change Data Capture create_changelog_view Usage Output Examples... -
1. 准备
本节介绍使用 Ambari 安装集群时应准备的信息和材料。 Ambari 为您的集群提供端到端的管理和监控解决方案。 使用 Ambari Web UI 和 REST API，您可以从一个中心点部署、操作、管理配置更改并监控集群中所有节点的服务。 产品互操作性 满足最低系统要求 收集信息 环境准备 -
Function
always comparator compose construct curry useWith flip groupBy identity invoker nAry once pipe tap binary unary ap empty of constructN converge curryN __ bin... -
JDO v JPA
There are several competing persistence technologies available for Java. Two of these are “standardised” (via the JCP). When developing your application you need to choose the mos... -
Attach-Detach
Detach All On Commit Copy On Attach Serialization of Detachable classes JDO provides an interface to the persistence of objects. JDO 1.0 didn’t provide a way of taking an objec... -
Bootstrapping
Approaches Use Hudi for new partitions alone Convert existing table to Hudi Using Hudi Streamer Using Spark Datasource Writer Using Spark SQL CALL Procedure Using Hudi CLI C... -
Scan Executors
Configuring and using Scan Executors Configuring and using Scan Prioritizers. Providing hints from the client side. Accumulo scans operate by repeatedly fetching batches of dat...