Zero Downtime Migration
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The document discusses Oracle GoldenGate and its use cases for real-time data integration and availability. GoldenGate provides zero downtime migration, disaster recovery, and data distribution capabilities. It ensures high availability and real-time access to data across heterogeneous databases and platforms. The document outlines GoldenGate's architecture and how it works to capture, deliver, and replicate transactional data. Key use cases are described for industries like banking, communications, ecommerce, and healthcare to provide continuous availability, real-time analytics, and improved business intelligence.
Zero Downtime Migration
- 1. <Insert Picture Here> Zero Downtime Migration Oracle GoldenGate Use Cases Danairat T. Enterprise Architect, ASEAN danairat.thanabodithammachari@oracle.com, +66-81-559-1446
- 2. The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle’s products remain at the sole discretion of Oracle. 2
- 3. Availability Architecture Comprehensive protection against downtime and data loss: Server failures Database instance crashes SYNC / ASYNC Storage subsystem failures System induced data corruptions Administrator errors Network outages DC DR Site failures Database Database Monitoring System maintenance One-off patches and CPUs Database patch-sets and upgrades 3
- 4. Oracle GoldenGate Everyday Example… ATM or POS System Transaction: Cash Withdrawal / Purchase Data Fraud Backup System Warehouse Detection Real-Time Access: Real-Time Information: High Availability / Business Intelligence / Data Integration Disaster Recovery 4
- 5. How Oracle GoldenGate Works Capture: committed transactions are captured (and can be filtered) as they occur by reading the transaction logs. Capture LAN/WAN Internet Source Target Oracle & Non-Oracle Oracle & Non-Oracle Database(s) Database(s) 5
- 6. How Oracle GoldenGate Works Capture: committed transactions are captured (and can be filtered) as they occur by reading the transaction logs. Trail: stages and queues data for routing. Trail Capture LAN/WAN Internet Source Target Oracle & Non-Oracle Oracle & Non-Oracle Database(s) Database(s) 6
- 7. How Oracle GoldenGate Works Capture: committed transactions are captured (and can be filtered) as they occur by reading the transaction logs. Trail: stages and queues data for routing. Pump: distributes data for routing to target(s). Trail Capture Pump LAN/WAN Internet Source Target Oracle & Non-Oracle Oracle & Non-Oracle Database(s) Database(s) 7
- 8. How Oracle GoldenGate Works Capture: committed transactions are captured (and can be filtered) as they occur by reading the transaction logs. Trail: stages and queues data for routing. Pump: distributes data for routing to target(s). Route: data is compressed, encrypted for routing to target(s). Trail Trail Capture Pump LAN/WAN Internet TCP/IP Source Target Oracle & Non-Oracle Oracle & Non-Oracle Database(s) Database(s) 8
- 9. How Oracle GoldenGate Works Capture: committed transactions are captured (and can be filtered) as they occur by reading the transaction logs. Trail: stages and queues data for routing. Pump: distributes data for routing to target(s). Route: data is compressed, encrypted for routing to target(s). Delivery: applies data with transaction integrity, transforming the data as required. Trail Trail Capture Pump Delivery LAN/WAN Internet TCP/IP Source Target Oracle & Non-Oracle Oracle & Non-Oracle Database(s) Database(s) 9
- 10. How Oracle GoldenGate Works Capture: committed transactions are captured (and can be filtered) as they occur by reading the transaction logs. Trail: stages and queues data for routing. Pump: distributes data for routing to target(s). Route: data is compressed, encrypted for routing to target(s). Delivery: applies data with transaction integrity, transforming the data as required. Trail Trail Capture Pump Delivery LAN/WAN Internet TCP/IP Source Target Oracle & Non-Oracle Bi-directional Oracle & Non-Oracle Database(s) Database(s) 10
- 11. Oracle GoldenGate Topologies Unidirectional Bi-Directional Peer-to-Peer Query Offloading Live Standby or Load Balancing, Active-Active for HA Multi-Master Broadcast Integration/Consolidation Cascading Data Distribution Data Warehouse Data Marts 11
- 12. Key Areas for Oracle GoldenGate Continuous Real Time Data Query Offloading Availability Integration • Zero Downtime • Operational • Cost Reduction Migration Reporting Move reads to lower cost Migrate to Database or Quickly report on systems upgrade latest application transaction system data version with no downtime with no source impact • Resource Utilization Use physical standby for • Disaster Recovery & • Real Time Business reads Data Protection Intelligence Create live standby for Understand current failover, avoid and repair metrics in historical context block corruptions • Data Distribution Synchronize hub & spoke or distributed systems 12 12
- 13. GoldenGate Usage – Zero Downtime Migration Once instantiation iscapture Once testing are connected to Instantiate new database that Now testers is users complete, OLTP users can confirm start Switch OLTP complete, with Start GoldenGate to new OLTP Users process & store transactions in primary datathe real-time database. server. to primary replication back will work primary If while The new the application OLTP users deliver problems occur, Testers trail. EliminatesCan use and not correctly withtois fallback to a from new database. database transactions live empty. point- candatabase need Enables areimmediate data any active. new for handlingpreferred. method collisions. affect production. “old” database. fallback option. of-consistency. Initial Instantiation Manager Manager - Capture / Extract - Delivery / Replicat - Trail 13
- 14. GoldenGate Usage – Active-Active Disaster Tolerance X Manager Manager Load Balanced – No Single Point of Failure 14
- 15. GoldenGate Usage – Active-Active Application Upgrade DB DB Update Update (DDL) App App (DDL) App App V1 V2 V1 V2 Capture Delivery DBMS DBMS A B Test! Test! Delivery Capture Open Delivery Stop Application v1 toA Server B B toA ActivateStopApplication versionserver Installprocess from Test Server Version Introducethe new Appication on(colmap A Install both process from B A new theTest A Serverthe Database needed?) Stop Application on to Start DeliverynewServer delivery processes DDL B server 15
- 16. Oracle GoldenGate Management Console Easy Management of Oracle GoldenGate Solutions • Manages, defines, configures, and reports on Oracle GoldenGate components • Key features: • Centralized management of GoldenGate modules • Rich-client and Web-based interfaces • Alert notifications and integration with 3rd-party monitoring products • Real-time feedback • Zero-impact implementation 19
- 17. Oracle GoldenGate Veridata Data Comparison without Downtime • A high-speed, low impact data comparison solution • identifies and reports data discrepancies between heterogeneous databases • without interrupting their availability • Benefits: • Reduce financial/legal risk exposure • Speed and simplify IT work in comparing data sources • No disruption to business systems • Improved failover to backup systems • Confident decision-making and reporting 20
- 18. GoldenGate Heterogeneous Platforms Databases O/S and Platforms Capture: Oracle Windows 2000, 2003, XP DB2 Linux Microsoft SQL Server Sun Solaris Sybase ASE HP NonStop Teradata HP-UX Enscribe HP TRU64 SQL/MP HP OpenVMS SQL/MX IBM AIX IBM z/OS Delivery: All listed above, plus: HP Neoview, Netezza, Greenplum, and any ODBC compatible databases ETL products JMS message queues MySQL TimesTen 21
- 19. Oracle GoldenGate Use Cases Enterprise-wide Solution for Real Time Data Needs Disaster Recovery, Data Protection Standby • Standardize on Single (Open & Active) Technology for Multiple Needs Zero Downtime • Deploy for Continuous Migration and New DB/OS/HW/App Availability and Real-time Data Upgrades Access for Reporting / BI Log Based, Real- Time Change Data Operational Capture Reporting Reporting OGG Database ODI ODS EDW ODI • Highly Flexible Heterogeneous Source Systems Real-time BI EDW • Fast Deployments • Lower TCO & Improved ROI Query Offloading Replica Data Distribution 22
- 20. Horizontal Technology For Industry-Specific Business Needs 23
- 21. GoldenGate for Banking / Financial Services • Industry Challenges • Escalating threats of fraud • Increased competition in risk management • System rationalization and cost reduction • 100% reliability and uptime • GoldenGate Provides Key Partners: • Continuous availability of transactional and historical data • Real time data for better intelligence regarding fraud, risk, and business optimization Key Customers: • Benefits • Meet the most stringent SLAs for latency, availability, scalability • IT Managers can sleep better at night • Protect against planned and unplanned downtime • Lower risk and cost with better, up to date customer intelligence 24
- 22. GoldenGate for Communications • Industry Challenges • Operational efficiency (OPEX reduction) • Transformation of the network & OSS/BSS to Next-generation technology • Convergence is driving product bundling • Faster time-to-launch for new services Key Partners: • GoldenGate Provides • Zero downtime for planned and unplanned events • Real time data for customer service and Key Customers: customer analysis • Real time data to enable new services • Benefits • Introduce new services rapidly • Support Real-time services (gaming, conferencing) • Handle growth and peaks with reliability • Eliminate downtime 25
- 23. GoldenGate for ECommerce & Retail • Industry Challenges • Promotion Optimization • Logistics & Distribution: Real time Warehouse Management • Align per Customer Costs to Revenues • Cost-effective Systems that Handle Peak Loads Key Customers: • GoldenGate Provides • Real time data integration for optimizing logistics and customer promotions • Query offloading to reduce system costs • Data distribution to support applications in a hub/spoke business structure • Benefits • Improved customer reach and shopper to buyer conversion • Increased operational efficiency • Maintain margins in good and bad times 26
- 24. GoldenGate for Healthcare • Industry Challenges • Paperless Patient Records • Data-Driven Medicine • Staff and Critical Supply Management • GoldenGate Provides • Continuous availability of data that is a pre- requisite to going completely electronic Key Partners: • Real time data for intelligence in the business of healthcare Key Customers: • Benefits • Protect patient data in the event of system outages and other failures • Save time for health care providers by delivering unified view of all current test results and patient history • Improve patient outcomes through safety analyses such as drug interaction analysis • business intelligence 27
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