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String
match split trim replace toLower toUpper test toString match RegExp → String → [String | Undefined] Parameters rxA regular expression. strThe string to match against... -
Writing ORC Data
Introduction Hive SerDe Integration Writing to an ORC File Data Flow Extending Gobblin’s SerDe Integration Introduction Gobblin is capable of writing data to ORC files by le... -
MySQL/MariaDB Prerequisite
You must change the variable log_bin_trust_function_creators to 1 during Ranger installation. From RDS Dashboard>Parameter group (on the left side of the page): Set the MySQL... -
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... -
Glue Data Catalog
Syncing to Glue Data Catalog This document walks through the steps to register an Apache XTable™ (Incubating) synced table in Glue Data Catalog on AWS. Pre-requisites Source ta... -
任务定义
批量任务定义 实时任务定义 批量任务定义 批量任务定义允许您在基于任务级别而不是在工作流中操作修改任务。再此之前，我们已经有了工作流级别的任务编辑器，你可以在工作流定义 单击特定的工作流，然后编辑任务的定义。当您想编辑特定的任务定义但不记得它属于哪个工作流时，这是令人沮丧的。所以我们决定在 任务 菜单下添加 任务定义 视图。 在该视图中，... -
orm DTD/XSD
JDO defines XML MetaData in jdo files as well as orm files. As always with XML, the metadata must match the defined DTD/XSD for that file type. This section describes the conten... -
JVM 监控
进程级监控 埋点方式 本讲介绍JVM监控相关知识。 进程级监控 Java类的程序，如果只是监控端口存活性，可以直接使用 Categraf 的 net_response 插件，如果只是监控进程存活性，以及进程的CPU、内存等使用率，这个和C的程序、Go的程序没有本质区别，使用 Categraf 的 procstat 插件。 procstat 插... -
Web Session Management
Tomcat Session Redisson implements Redis or Valkey based Tomcat Session Manager. It stores session of Apache Tomcat in Redis or Valkey and allows to distribute requests across a ...
