Global Data Services FAQ

FAQ topics

General

What is the primary purpose of Oracle Global Data Services (Oracle GDS)?

Oracle Global Data Services are designed to simplify how applications connect to your databases while ensuring high availability, efficient workload management, and disaster recovery. Global Data Services act as an intelligent intermediary, routing application traffic to the optimal database instance based on workload type, location, and database health.

How does Oracle GDS differ from traditional connection methods?

Traditionally, applications connect directly to a specific database instance. With Oracle GDS, applications connect to an Oracle GDS service, which then intelligently routes the connection to the best-suited database. This abstraction simplifies management, improves availability, and allows dynamic workload distribution and balancing.

What are the key components of an Oracle GDS setup?

There are two primary components:

  • Global Service Managers (GSMs) act as intelligent listeners, directing application traffic to the appropriate database based on predefined rules and real-time conditions.
  • GDS Catalog: This centralized repository stores configuration information, service definitions, and other metadata for your Oracle GDS environment.

How does Oracle GDS handle database failover?

Global Data Services continuously monitors the health of your databases. If a database fails, Oracle GDS automatically detects the failure and redirects application traffic to a healthy standby database. This ensures minimal downtime and uninterrupted service for your applications.

Can Global Data Services be used with my existing Oracle RAC, Data Guard, and GoldenGate configurations?

Yes, Oracle GDS seamlessly integrates with Oracle RAC, Data Guard, and GoldenGate configurations. It leverages these technologies to enhance high availability, load balancing, and disaster recovery capabilities.

What are some everyday use cases for Global Data Services?

Oracle GDS is highly versatile and can be used for various scenarios, including the following:

  • Disaster recovery: ensuring business continuity in case of database failures.
  • Global application deployment: optimizing application performance for users distributed across multiple regions.
  • Cloud migration: simplifying and mitigating risk when migrating databases to the cloud.
  • Workload management: efficiently utilizing standby databases for read-only workloads or reporting.
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