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VMware HA/FT in database and mission-critical applications

The largest constraint on using vSphere FT is that it requires uniprocessor virtual machines. To mitigate the potential impact of this:

• Use the highest-performance CPU cores available for the hosts running the FT virtual machines. Processors with many cores do not help and often have unfavorable performance trade-offs.

 

• Ensure the networking infrastructure can handle both worker traffic as well as FT logging traffic, or separate the FT logging traffic onto a dedicated network.

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