2. Intelligent Workload Management across Database Replicas 19 August 2015 Intelligent Workload Management, Ritika Nevatia 2 Ritika Nevatia Under the supervision of Prasanth Kothuri

3. One DB, One client 19 August 2015 Intelligent Workload Management, Ritika Nevatia 3

4. One DB, Many Clients 19 August 2015 Intelligent Workload Management, Ritika Nevatia 4

5. Replicated DBs, Many clients 19 August 2015 Intelligent Workload Management, Ritika Nevatia 5

6. Load balanced, Manually 19 August 2015 Intelligent Workload Management, Ritika Nevatia 6

7. Load balanced, Automatically 19 August 2015 Intelligent Workload Management, Ritika Nevatia 7

8. What do we use? Manual Load Balancing 19 August 2015 Intelligent Workload Management, Ritika Nevatia 8

9. Can we do better? 19 August 2015 Intelligent Workload Management, Ritika Nevatia 9

10. Why GDS? Availability Scalability Performance Manageability 19 August 2015 Intelligent Workload Management, Ritika Nevatia 10

11. Key features 19 August 2015 Intelligent Workload Management, Ritika Nevatia 11 Work Load Management Centralized Framework Work Load Routing Region based Replication lag based Failover Inter database service failover Role Based Global Service Takes care of role transition via Data Guard Load Balancing Run-time Connection

12. How GDS works?? 19 August 2015 Intelligent Workload Management, Ritika Nevatia 12

13. Services Representation Grouping Routing to optimal instance to handle unexpected failovers 19 August 2015 Intelligent Workload Management, Ritika Nevatia 13

14. Implements the Oracle Database service model GDSCTL Any combination of Oracle Data Guard (Physical Replication) Oracle Golden Gate (Logical Replication) or any other database replication technology 19 August 2015 Intelligent Workload Management, Ritika Nevatia 14 How GDS works??

15. What is GDS made of?? 19 August 2015 Intelligent Workload Management, Ritika Nevatia 15

16. 19 August 2015Intelligent Workload Management, Ritika Nevatia16 GDS Pool GDS Region Global Service Manager GDS Catalog Oracle Notification Servers

17. The process 19 August 2015 Intelligent Workload Management, Ritika Nevatia 17 Give me service! Client GSM Instances Most optimal instance Service Catalog

18. Use Cases Load Balancing for Replicated Databases Service Failover for Replicated Databases Region Affinity in Oracle GoldenGate Multi-Master Load Balancing in Oracle GoldenGate Multi-Master Balancing Oracle Active Data Guard and Oracle GoldenGate Reader Farms 19 August 2015 Intelligent Workload Management, Ritika Nevatia 18

19. Load Balancing in Replicas Load metrics Region affinity Network latency Load balancing goals 19 August 2015 Intelligent Workload Management, Ritika Nevatia 19 Meriyn Budapest

20. Service failovers in Replicas 19 August 2015 Intelligent Workload Management, Ritika Nevatia 20 Meriyn Budapest Meriyn Budapest

21. Thank You Intelligent Workload Management across Database Replicas Ritika Nevatia Under the supervision of Prasanth Kothuri