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Category ArtistServer
Date Monday, Aug 01, 2005 1:43:09 PM
Getting Ready for the Big System Migration/Upgrade!

We are getting closer to the system migration/upgrade so I needed to spend some of my development time on preparing for the big change. How big? We are changing the operating system, the database, the application server, server/network configuration from 1 box to 2, then a 3rd a few weeks after that. Basically - the only thing that isn't changing, is the code, and the content on the site. With so many factors changing, this is potentially a complicated upgrade - which is why I'll first attempt a test upgrade here at the studio. The only differences w/ this test setup, is that it will all function on 1 computer instead of 2 as I have planned.

With so many factors updating, I'm not even sure how much faster the site will run. At the Macromedia site, I'm seeing data that shows response time at 2.5 times faster than our previous version of ColdFusion - over at Microsoft, I can't find anything about performance increases across versions, but from what I understand, there is a significant performance increase between Win2000 and NT4. Lastly, we add to that the performance increases due to upgrading SQL7 to SQL2000, and I think we are looking at a total of maybe 5 times faster than our current configuration. Ah - but wait... there's even more performance around the corner! By bumping our database to it's own server, where it can use all the RAM and CPU without competing with the other systems, we'll see an even higher level of performance. With the hardware in place - and all the code updates I've done - we should be in great shape for scaling up to handle much more traffic than we have right now.

After antoher month, I'll add on another server to handle streaming which should also benefit our performance and stability. From there, we will start using load balancing and start creating a Web Farm for ArtistServer - and as she grows, we'll then replicate that Farm at another ISP - giving us complete failover security - but that's a littler further down the road. :) For those who are curious - here's a run down on what I have to do to get ready for the migration:

  1. Outline the system configuration in a document
  2. Install Win2000 Server
  3. Configure IIS - Web Server
  4. Install OS Updates
  5. Install MSSQL Server 2000 Standard
  6. Configure SQL Server
  7. Install SQL Server Updates
  8. Install ColdFusion MX7
  9. Configure ColdFusion
  10. Install ColdFusion Updates
  11. Back up all ArtistServer code, the database, publishing directories, custom tags
  12. Back up all People data (uploaded images and files)
  13. Pull down a portion of the songs for testing
  14. Create Hosts file to route domain names to local testing box
  15. Setup ArtistServer site and directories
  16. Setup Web Server settings
  17. Set up Streaming settings
  18. Run ColdFusion MX7 Compatability Tool
  19. Fix issues
  20. Test site and code
  21. Pickup more RAM and hard drives - install
  22. meet with our systems engineer (contractor)
  23. schedule the migtration
  24. meet at facility
  25. setup test system
  26. test it
  27. complete migration
  28. test it/Fix issues
  29. monitor systems
  30. relax

The upgrade should happen in the next 3 weeks. If you have any questions - feel free to contact me.

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Gideon Marken
Web Technologist & Electronic Artist

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