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AWS Webcast - Amazon RDS for Oracle: Best Practices and Migration
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AWS Webcast - Amazon RDS for Oracle: Best Practices and Migration

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Amazon Relational Database Service (Amazon RDS) is a web service that makes it easy to set up, operate, and scale a relational database in the cloud. With Amazon RDS, you can deploy multiple editions …

Amazon Relational Database Service (Amazon RDS) is a web service that makes it easy to set up, operate, and scale a relational database in the cloud. With Amazon RDS, you can deploy multiple editions of Oracle Database 11g in minutes with cost-efficient and re-sizable hardware capacity.

In this webinar, we'll discuss how to get the most out of the service, including techniques for migrating data in and out.

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  • It is very effective for staging & development databases during cloning from prod to testing.
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Transcript

  • 1. Amazon RDS Oracle Best Practices
  • 2. Agenda • Quick introduction to Amazon RDS for Oracle • RDS Oracle Licensing • RDS Oracle Use Cases • RDS Oracle Security Best Practices • RDS Oracle Performance Best Practices • RDS Oracle Management Best Practices • RDS Oracle Data Migration Best Practices
  • 3. Power, HVAC, net Rack & stack Server maintenance OS patches DB s/w patches Database backups Scaling High availability DB s/w installs OS installation you App optimization What is Amazon RDS?
  • 4. What is Amazon RDS? Power, HVAC, net Rack & stack Server maintenance OS patches DB s/w patches Database backups Scaling High availability DB s/w installs OS installation you App optimization
  • 5. What is Amazon RDS? Power, HVAC, net Rack & stack Server maintenance OS patches DB s/w patches Database backups App optimization High availability DB s/w installs OS installation you Scaling
  • 6. Why Amazon RDS for Oracle? • Deploy multiple editions of Oracle 11g in minutes • Realize up to 25,000 IOPS • Get a high-availability Oracle solution without Enterprise Edition • Choice of Pay-as-You-Go or License Included model brings flexibility • Use AWS Enterprise Support or Oracle support • Support for Oracle GoldenGate enables multi-master configurations
  • 7. Oracle Licensing and Support Processor & socket licensing 0.25 core multiplier for standard licenses (sockets) 0.5 core multiplier for enterprise licenses (processor) BYOL • Enterprise license agreement • Unlimited license agreement • Oracle partner network • BPO license • Oracle Technology Network Pay-as-you-go • RDS for Oracle SE One
  • 8. Oracle Licensing Options License Included Bring-Your-Own-License Standard Edition One Standard Edition Enterprise Edition Amazon RDS Oracle – Licensing & Pricing Options Oracle Pricing Options Contract Pay Per Hour License Included Bring Your Own License Multi AZ On-Demand No contract Reserved Instances 1 year or 3 year options Licensing Options: Pricing Options:
  • 9. Production Instances of Enterprise Applications Development and Test Instances for Enterprise and custom applications Replica of Production for reporting and BI/DW feed. Training, POC, Sandbox, Patch Testing and debugging instances Disaster Recovery Site on AWS Custom Developed Applications Customer use cases for RDS Oracle
  • 10. Amazon RDS - Great fit for Enterprise Application Delivers Enterprise Application needs and wants • Fully managed database engines that are commonly used for Enterprise Applications. • High-Availability and transparent failover • Enterprise class performance and easy scalability • Automated backups and easy replication • Rapid provisioning and deployment • Automation support with APIs and CloudFormation scripts • Low-touch management/administration
  • 11. Enterprise Application AWS customers use with RDS • PeopleSoft • JD Edwards • Siebel • ATG Web Commerce • Jaspersoft • SugarCRM • Alfresco
  • 12. Enterprise Application HA Architecture
  • 13. RDS Oracle Best Practices
  • 14. RDS Oracle Security Best Practices • Individual IAM account to each person who manages RDS resources. Do not use AWS root credentials. • Do not use master user for application db access, create separate accounts • Put your RDS Database instance in a private subnet of a VPC • Be careful with Security Group setting, never use 0.0.0.0/0
  • 15. RDS Performance Best Practices • Choose the right size instance for your workload • Always go with PIOPS • Monitor database alert logs for critical issues • Don’t leave invalid database objects in the database • Provision enough storage to host archive logs before they are backed up and deleted. • Scaling storage and PIOPS are time consuming so plan accordingly. • Scaling instance requires outage (if not using Multi-AZ)
  • 16. RDS Management Best Practices • Always schedule backups • Create snapshots on a regular basis • Use the familiar Oracle EM DB Console at :1158/em • Use CloudWatch alerts to always keep an eye on the instance with alerts • If you need to use third party monitoring tools use agentless tools
  • 17. Data Migration to RDS Oracle
  • 18. General Considerations • Number of databases, data sizes • Data types, character sets • Data transfer mechanism • Connected Apps, DB links • Network accessibility, bandwidth, latency • Acceptable downtime
  • 19. One-Time Migration • Copy entire database to Amazon RDS Use cases – Migrate prod to Amazon RDS – Build POCs, pilots – First step before replicating databases
  • 20. RDS Pre-Migration Steps • Stop applications accessing the DB • Take a snapshot • Disable backups • Use Single-AZ instances • Optimum instance for load performance • Configure security for cross-DB traffic
  • 21. For Small Dataset, one time load • Oracle Import/Export • Oracle Data Pump network mode • Oracle SQL*Loader • Oracle materialized views
  • 22. For Large Dataset, one time load • Oracle Data Pump Export and Import
  • 23. Migration Process
  • 24. Data Pump Export • Reduce the data set to optimal size, avoid indexes • Use compression and parallel processing • Use multiple disks with independent I/O
  • 25. Optimize Data Upload • Use Tsunami for UDP-based file transfer • Use large Amazon EC2 instance with SSD or PIOPS volume • Use multiple disks with independent I/O • You could use multiple Amazon EC2 instances for parallel upload
  • 26. Data File Upload to RDS • RDS DB instance has an externally accessible Oracle Directory Object DATA_PUMP_DIR • Use a script to move data files to Amazon RDS DATA_PUMP_DIR • Use the largest Amazon RDS DB instance possible during the import process • Avoid using Amazon RDS DB instance for any other load during this time • Provision enough storage in the Amazon RDS DB instance for the uploaded files and imported data
  • 27. Import data into the RDS • Import from within Amazon RDS instance using DBMS_DATAPUMP package • Submit a job using PL/SQL script
  • 28. Periodic Migration • Copy changes to Amazon RDS • Use cases – Delta refresh for prod migration – Daily refresh for non-prod, reporting
  • 29. Ongoing Replication • Log shipping • Transactional replication • Use cases – Near-zero downtime migrations – Query offloading, BI/reporting – Data protection, disaster recovery
  • 30. Oracle GoldenGate • Oracle product for real-time data integration and replication – Log-based change data capture – Transaction-safe bidirectional replication • Works with Amazon RDS for Oracle – Migration into and out of RDS Oracle – Providing a readable secondary for read offloading – Master-master replication
  • 31. GoldenGate Replication with RDS Oracle GoldenGate Oracle GoldenGateOracle GoldenGate GoldenGate On-premises Oracle to RDS/Oracle Oracle in EC2 to RDS/Oracle RDS/Oracle to RDS/Oracle (same AWS Region) RDS/Oracle to RDS/Oracle (different AWS Region)
  • 32. Getting started with GoldenGate • Obtain license from Oracle – “Bring-Your-Own-License” model only • Run the GoldenGate Hub on a correctly sized EC2 Instance • Enable supplemental logging on source database • Configure source to retain redo logs • Use the Extract and Replicat utilities provided by Oracle GoldenGate
  • 33. RDS Post-migration Steps • Turn on backups • Turn on multi-az • Create read replicas • Tighten down security • Notifications via Amazon CloudWatch, DBEvents