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11-23-2010 @ 4:30PM
@ScooterThe code has already been written, tested multiple times and been on the PTR. If the code isn't ready, there would be no patch happening.Patching all the realms can occur at the same time, or pushing an image out to all the realm servers can happen at the same time.And it does not take 12 hours.What takes time is running updates on the database, like setting all players positions to their hearthstone locations, and whatever else the patch requires, like refunding talent points to some classes, etc.How much time database operations take is variable. Now if you were running one database script updating the about 20,000 players per realm times the the number of realms in the data center...If all those players were on one set of drives, the time it takes is limited to the speed of the IO channel between the database and the drive array.If there was a separate database and drive array per realm, you could execute (number of realms) scripts in parallel and there would be (number of realms) different IO channels between (number of realms) databases and (number of realms) drive arrays. For a speed increase to do the same operation that is (number of realms) times faster.
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