Then just identify which socket your single NIC is connected to and make
sure you bind haproxy and the network interrupts to the CPUs from that
socket exclusively. It just means the other CPU cores will be usable
for whatever else you may have to run on this machine. But quite frankly,
if you use this large hardware as the standard server, you’re already
expecting to leave many cores unused so that’s not a problem. And don’t
forget numactl to try to optimize memory allocation to stick to the node
you’re running on.
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