What are the kernel parameters to tune cluster interconnect performance


To tune the cluster interconnect performance typically the messages buffers size that should transmit between the nodes, the following kernel parameters should set. 256K is fairly adequate.

net.core.rmem_default = 262144
net.core.rmem_max = 262144
net.core.wmem_default = 262144
net.core.wmem_max = 262144

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