● Covered by 1 source · 1 reportMedium impact1 neutral
World of Warcraft: Forever Launch Utilized 70,480 CPU Cores and 251 TB RAM
Key points
- WoW: Forever used 3,924 VMs, 70,480 CPU cores, 251 TB RAM.
- Launch was noted as one of Blizzard's smoothest.
- Infrastructure has 2.2x more memory than 2009 WoW setup.
- Could run on 8-10 server racks, potentially using Azure.
Massive Infrastructure for Smooth Launch
Blizzard provisioned a substantial computing infrastructure for the launch of World of Warcraft: Forever. This setup included 3,924 virtual machines, collectively utilizing 70,480 CPU cores and 251 terabytes of RAM. This significant investment was aimed at preventing the chaotic launch experiences sometimes associated with major online game releases.
Performance and Player Experience
The deployment of these resources contributed to what has been widely regarded by media and players as one of Blizzard's smoothest game launches. Each virtual machine averaged 18 cores and 64GB of memory, though the actual configuration may involve a mix of 16-core and 32-core nodes. This scale of hardware is equivalent to approximately 8,810 mainstream processors or 7,848 high-end gaming systems.
Evolution of WoW's Backend
Compared to World of Warcraft's infrastructure in 2009, the current setup for Forever uses 6% fewer CPU cores but features 2.2 times more memory. In 2009, the game ran on 10 data centers with 13,250 server blades, totaling 75,000 CPU cores and 112.5 TB of memory. The shift reflects modern hardware trends where memory capacity and bandwidth are often the primary bottlenecks, allowing for fewer, but more powerful, cores.
Hardware Specifications and Cost
While Blizzard has not disclosed the exact hardware, estimates suggest the core specifications could translate to 275 to 365 2U server nodes, potentially fitting into just eight to ten 42U server racks if using processors like AMD's EPYC 128-core Bergamo or 96-core Genoa chips. The estimated cost for such an infrastructure is at least $15 million. Given Microsoft's ownership of Blizzard, it is possible the company is leveraging Microsoft's Azure platform, benefiting from internal cost pricing and priority resource allocation.
Implications for High-Profile Launches
The successful launch of World of Warcraft: Forever demonstrates that significant investment in computing infrastructure can mitigate common issues associated with high-demand online service launches. This approach highlights the importance of scalable and robust backend systems for handling peak user loads.
✨ This summary was generated by AI from the outlets' reporting listed below. It is not independently verified and may contain errors — check the original sources. How BrevFeed works →
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Reporting from
Blizzard deployed 3,924 virtual machines with 70,480 CPU cores and 251 TB of RAM to ensure a smooth launch for World of Warcraft: Forever. This infrastructure investment resulted in one of Blizzard's smoothest game launches, demonstrating the impact of significant computing resources on high-demand online services.