-
Product Interoperability
Ambari 2.7.4 supports only HDP-3.1.4 and HDF-3.2.0 The Support Matrix tool provides information about: Operating Systems Databases Browsers JDK Use the following URL to det... -
JDO v JPA : ORM
Relationships There are 2 prevalent specification in the Java ORM world. JDO provides the most complete definition, whilst JPA is the most recent. Relationships In this guide w... -
Kudu
Support Kudu Version Support Those Engines Key Features Data Type Mapping Sink Options Task Example Simple: Multiple Table Changelog 2.2.0-beta 2022-09-26 2.3.0-beta 2022-... -
Performance
Read performance Write performance Accumulo can be tuned to improve read and write performance. Read performance Enable caching on tables to reduce reads to disk. Enable b... -
Installing MySQL
About This Task Before You Begin Steps About This Task You can install MySQL 5.5 or later. Before You Begin On the Ambari host, install the JDBC driver for MySQL, and then... -
Downgrade - Self-hosted
A guide on how to downgrade the self-hosted version of Coolify. If you have any issues with the latest version, you can simple downgrade to the previous version. Here is how you ... -
图像
Markdown 图片 图片链接 格式引用图片 指定图片大小 Markdown 图片 要添加图像，请添加一个感叹号（！），然后在括号中添加替代文本，并在括号中添加图像资源的路径或URL。您可以选择在括号中的URL之后添加标题。  开头一个感叹号 ! 接着一个方括号，里面放上图片... -
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... -
Collections
_.at(collection, [index]) Arguments Returns Example _.contains(collection, target, [fromIndex=0]) Aliases Arguments Returns Example _.countBy(collection, [callback=identit... -
StarRocks
Description Key features Options node_urls [list] username [string] password [string] database [string] table [string] scan_filter [string] schema [config] fields [Config] ...