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Virtual performance tuning is a lot like ordinary performance tuning – but not exactly.
Since the rise of low-cost virtualization in 1999 with the first release of VMware Workstation, the public has rallied around the many benefits of virtualization. However, users might often wonder how to minimize the performance penalties they are paying when they work with virtualization technology.
The exact shape of virtualization’s performance footprint has evolved as the field has matured. When 400MHz processors were first appearing on the market, the limiting factors posing an obstacle to widespread use of virtualization were CPU speed and RAM. This situation improved as Moore’s law continued its inexorable march, providing both the processing power and the memory space sufficient for multiple virtual machines to run at once on the same hardware, and thereby opening the way for the flourishing server virtualization market.
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| VIRTUAL BENEFITS | System Emulation with QEMU |
| Wherever you go... |
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