1. …optimise your IT investments Replication for real-time warehousing Philip Howard Research Director – Bloor Research

2. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Agenda What is data replication? When would you use it? What are its requirements? Putting it into context

3. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 What is data replication? “The process of copying a portion of a data source from one environment to another and keeping the subsequent copies of the data in sync with the original source. Changes made to the original source are propagated to the copies of the data in other environments.”

4. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 When would you use data replication? Data warehousing and BI Loading real-time data for operational BI Supporting real-time query/reporting Integrating CEP with operational data Operational synchronisation e.g. Lookers v Bookers e.g. synchronising (POS and) central pricing data High/continuous availability Data migration (zero downtime) Master data management To update/broadcast from a hub High/continuous availability …

5. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Enabling data replication Performance Native interfaces Support for parallelism Compression Change data capture Impact minimalism Heterogeneity Topology support Synchronisation Graphical development and management/monitoring In operational/HA environments: transactional integrity

6. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Performance 1: native interfaces High level interfaces (O/JDBC) not fast enough

7. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 But …

8. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Performance 2: parallelism

9. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Performance 3: compression One size does not fit all

10. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Performance 4: CDC

11. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 But …

12. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Performance 5: impact minimalism

13. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Heterogeneity

14. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Big Data

15. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Topology support 1 to 1 1 to Many Many to 1 M to M 1 to 1 to 1 etc

16. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Synchronisation

17. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Development & Monitoring

18. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Development & Monitoring

19. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Data Replication in context

20. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Data Replication in context Copies data in real-time, simple transformations Leaves data in situ Transforms data and moves it in real-time/batch

21. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Data Replication in context

22. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012 Conclusion Replication serves sundry purposes Fastest growing adoption for BI Key requirement is performance but multiple others Complementary (not competitive) to both data integration and data virtualisation

23. telling the Information Management story Confidential © Bloor Research 2009 telling the right story Confidential © Bloor Research 2012