The Linux man pages talk about it at a high level: http://man7.org/linux/man-pages/man7/numa.7.html http://man7.org/linux/man-pages/man7/numa.7.html It would d

The Linux man pages talk about it at a high level: http://man7.org/linux/man-pages/man7/numa.7.html http://man7.org/linux/man-pages/man7/numa.7.html It would depend a great deal on exactly what kinds of problems you wanted to solve, I am sure. You wouldn't want to run just 1 instance of Postgres on it, for instance (as you point out); instead you would be more likely to do some form of sharding. The Numalink 6 speeds don't seem to be defined, Numalink 5 was about 15GB/s , but when you are reading memory at up to 51GB/s, you certainly don't want to slow down and wait for another node to give you access to your data... CPU info on the 2.9Ghz part in question: http://ark.intel.com/products/64608/Intel-Xeon-Processor-E5-4617-15M-Cache-2_90-GHz-7_20-GTs-Intel-QPI http://ark.intel.com/products/64608/Intel-Xeon-Processor-E5-...