1.Oracle GoldenGate概述

目录

1、本文背景

2、关于官网抛出的几个关于学习OGG的问题

3、Oracle GoldenGate Product Family

4、OGG的两种架构

5、Oracle GoldenGate Processes and Key Terms

Overview of Target-Initiated Paths

Oracle GoldenGate Key Terms and Concepts

Overview of Process Types

Overview of Groups

Overview of the Commit Sequence Number (CSN)

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1、本文背景

接触OGG也有好几年的时间了。
OGG适用的异构、同构实时数据同步很多，不过目前在生产实践中只有用到Mysql 实时同步至ORACLE。所以对于其他的同步案例很少用到，关于OGG的知识点也是用到的才比较熟悉，很少用到的知识和一些关键名词也是比较陌生。
趁着现在有时间，想全面的学习下。就记录下来。

2、关于官网抛出的几个关于学习OGG的问题

本文学习记录，官网入口
Introduction to Oracle GoldenGate

Learn aboutOracle GoldenGate concepts, why and when should you use it, and get familiar with some of the basic terminology and keywords associated with Oracle GoldenGate.

Topics:

• What is Oracle GoldenGate?
  Oracle GoldenGate is a comprehensive software package for real-time data integration and replication. It enables high availability solutions, real-time data integration, transactional change data capture, data replication, transformations, and verification between operational and analytical enterprise systems.
• Why Do You Need Oracle GoldenGate?
  Enterprise data is typically distributed across the enterprise in heterogeneous databases. To get data between different data sources, you can use Oracle GoldenGate to load, distribute, and filter transactions within your enterprise in real-time and enable migrations between different databases in near zero-downtime.
• When Do You Use Oracle GoldenGate?
  Oracle GoldenGate meets almost any data movement requirements you might have. Some of the most common use cases are described in this section.
• Topologies for Oracle GoldenGate
  After installation, Oracle GoldenGate can be configured to meet your organization's business needs.
• Oracle GoldenGate Product Family
  There are numerous products in the Oracle GoldenGate product family.

这几个问题都是比较概念、概括性。如果有感兴趣的网友，可以自己阅读官网。
下文就选OGG相关产品介绍下。其他的不记录于此

3、Oracle GoldenGate Product Family

There are numerous products in the Oracle GoldenGate product family.#Oracle GoldenGate产品系列中有许多产品。

• Oracle GoldenGate Veridata : Oracle GoldenGate Veridata compares one set of data to another and identifies data that is out-of-sync, and allows you to repair any data that is found out-of-sync. #Oracle GoldenGate Veridata将一组数据与另一组数据进行比较，识别不同步的数据，并提供修复发现的任何不同步数据的功能。

• Oracle GoldenGate Plug-in for EMCC: The Enterprise Manager Plug-in for Oracle GoldenGate extends the Oracle Enterprise Manager Cloud Control and provides visual support for monitoring and managing Oracle GoldenGateprocesses.#EMCC的Oracle GoldenGate插件。用于Oracle GoldenGate的Enterprise Manager插件扩展了Oracle Enterprise Manager云控制，并为监视和管理Oracle GoldenGateway流程提供了可视化支持。

• Oracle GoldenGate Monitor: Oracle GoldenGate Monitor is a real-time, Web-based monitoring console that delivers an at-a-glance, graphical view of all of the Oracle GoldenGate instances and their associated databases within your enterprise. #Oracle GoldenGate Monitor是一个实时的、基于Web的监控控制台，它提供了企业内所有Oracle GoldenGateway实例及其相关数据库的一目了然的图形视图。

• Oracle GoldenGate for Big Data: Oracle GoldenGate for Big Data contains built-in support to write operation data from Oracle GoldenGate trail records into various Big Data targets (such as, HDFS, HBase, Kafka, Flume, JDBC, Cassandra, and MongoDB). #Oracle GoldenGate for Big数据包含内置支持，可将Oracle GoldenGateway跟踪记录中的操作数据写入各种大数据目标（如HDFS、HBase、Kafka、Flume、JDBC、Cassandra和MongoDB）

• Oracle GoldenGate Application Adapters: Oracle GoldenGate Application Adapters integrate with installations of the Oracle GoldenGatecore product to bring in Java Message Service (JMS) information or to deliver information as JMS messages or files. #Oracle GoldenGate应用程序适配器与Oracle GoldenGatecore产品的安装集成，以引入Java消息服务（JMS）信息或以JMS消息或文件的形式传递信息。

• Oracle GoldenGate for HP NonStop (Guardian): Oracle GoldenGate for HP NonStop enables you to manage business data at a transactional level by extracting and replicating selected data records and transactional changes across a variety of heterogeneous applications and platforms.  #Oracle GoldenGate for HP NonStop使您能够通过在各种异构应用程序和平台上提取和复制选定的数据记录和事务更改，在事务级别管理业务数据。

• Oracle GoldenGate Studio: Oracle GoldenGate Studio enables you to design and deploy high-volume, real-time replication by automatically handling table and column mappings, allowing drag and drop custom mappings, generating best practice configurations from templates, and contains context sensitive help. #Oracle GoldenGate Studio使您能够通过自动处理表和列映射、允许拖放自定义映射、从模板生成最佳实践配置来设计和部署高容量实时复制，并包含上下文相关帮助

4、OGG的两种架构

Oracle GoldenGate supports two architectures, the Classic Architecture and the Microservices Architecture (MA). #Oracle GoldenGate支持两种体系结构，即经典体系结构和微服务体系结构（MA）

Oracle GoldenGate can be configured for the following purposes: #Oracle GoldenGate可以配置用于以下目的：