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Deploying MediaWiki on IBM DB2 in the Cloud Leons Petrazickis IBM Toronto Laboratory [email_address]
What We Want Rightscale Amazon EC2 DB2 server MediaWiki server
What is Cloud Computing? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Traditional Server
Google Server
Google Rack One server DRAM: 16GB, 100ns, 20GB/s Disk: 2TB, 10ms, 200MB/s Local rack (80 servers) DRAM: 1TB, 300us, 100MB/s Disk: 160TB, 11ms, 100MB/s Cluster (30+ racks) DRAM: 30TB, 500us, 10MB/s Disk: 4.80PB, 12ms, 10MB/s
Google Data Center ,[object Object],[object Object]
Business Case for Cloud ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Vertical Scalability on Amazon EC2 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],single database server  scalability limit
Good and Bad Uses ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is DB2? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Database Architecture in the Cloud load balancer to create a single system image for the cluster
No Oracle RAC in Cloud data No “shared disk” in the Cloud All servers must have access to data No low latency communications in the Cloud Oracle RAC does not work in the Cloud
Master/Slave Replication in Cloud data Read requests go to slaves Write requests go to master data data Master replicates data to slaves No guarantee of data integrity Routing logic in the application
DB2 and GRIDSCALE Load Balancing in Cloud data Read requests are balanced across cluster data data No data integrity issues transparent to the application Write requests go to ALL servers GRIDSCALE  DB2 load balancer
DB2 Data Partioning Feature in the Cloud ,[object Object],[object Object],[object Object],[object Object]
DB2 Data Partioning Feature in the Cloud ,[object Object],[object Object],[object Object],[object Object],[object Object]
DB2 High Availability Disaster Recovery in Cloud Application sends a read Database GRIDSCALE Servers Applications DB2 DB2
DB2 High Availability Disaster Recovery in Cloud Database Applications GRIDSCALE Servers Database server fails; read is automatically re-routed DB2 DB2
DB2 High Availability Disaster Recovery in Cloud Databases Applications GRIDSCALE Servers INSERT INTO EMPLOYEE (ID, NAME, SALARY) VALUES (100, ‘Smith’, 35000);  UPDATE EMPLOYEE SET … GRIDSCALE Recovery Log When the database server is brought back online, GRIDSCALE automatically re-synchronizes it while the application continues DB2 DB2
What is MediaWiki? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is MediaWiki? ,[object Object],[object Object],[object Object],[object Object]
Why database abstraction? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Why database abstraction? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
MediaWiki Solution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Resources ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Deploying MediaWiki On IBM DB2 in The Cloud Presentation

  • 1. Deploying MediaWiki on IBM DB2 in the Cloud Leons Petrazickis IBM Toronto Laboratory [email_address]
  • 2. What We Want Rightscale Amazon EC2 DB2 server MediaWiki server
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  • 6. Google Rack One server DRAM: 16GB, 100ns, 20GB/s Disk: 2TB, 10ms, 200MB/s Local rack (80 servers) DRAM: 1TB, 300us, 100MB/s Disk: 160TB, 11ms, 100MB/s Cluster (30+ racks) DRAM: 30TB, 500us, 10MB/s Disk: 4.80PB, 12ms, 10MB/s
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  • 12. Database Architecture in the Cloud load balancer to create a single system image for the cluster
  • 13. No Oracle RAC in Cloud data No “shared disk” in the Cloud All servers must have access to data No low latency communications in the Cloud Oracle RAC does not work in the Cloud
  • 14. Master/Slave Replication in Cloud data Read requests go to slaves Write requests go to master data data Master replicates data to slaves No guarantee of data integrity Routing logic in the application
  • 15. DB2 and GRIDSCALE Load Balancing in Cloud data Read requests are balanced across cluster data data No data integrity issues transparent to the application Write requests go to ALL servers GRIDSCALE DB2 load balancer
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  • 18. DB2 High Availability Disaster Recovery in Cloud Application sends a read Database GRIDSCALE Servers Applications DB2 DB2
  • 19. DB2 High Availability Disaster Recovery in Cloud Database Applications GRIDSCALE Servers Database server fails; read is automatically re-routed DB2 DB2
  • 20. DB2 High Availability Disaster Recovery in Cloud Databases Applications GRIDSCALE Servers INSERT INTO EMPLOYEE (ID, NAME, SALARY) VALUES (100, ‘Smith’, 35000); UPDATE EMPLOYEE SET … GRIDSCALE Recovery Log When the database server is brought back online, GRIDSCALE automatically re-synchronizes it while the application continues DB2 DB2
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