UpCloud High CPU and Memory VM - Network bandwidth
Go back to listWe measure local bandwidth between two identical machines in the same datacenter. The tool used here is Iperf 3 with TCP mode and a number of thread equal to CPU.
iperf3 --client $client_ip --interval 30 --parallel $cpu_number --time 60 --format M --json # On client
iperf3 --server --version4 --interval 30 # On serverIt's always good to keep in mind that the maximum bandwidth depends of the VM size and generaly providers will cap it with value correlated with CPU and instance type. Here we always have 16 CPUs and different categories among compute/memory optimized or dedicated/shared environment.
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