nperf

nperf is a tool for active measurements of the maximum achievable bandwidth between N peers, measuring RX/TX bandwidth for each peers.

Download

Download Binary Releases for various platforms.

Usecases

Calculate baseline RX/TX
Debug TOR Switch bottlenecks

Usage

./nperf IP1 IP2 IP3 ...
...
Bandwidth: 1.2 GB/s RX | 1.0 GB/s TX
Bandwidth: 1.2 GB/s RX | 1.1 GB/s TX
Bandwidth: 1.2 GB/s RX | 990 MB/s TX
Bandwidth: 1.2 GB/s RX | 944 MB/s TX

on all the servers IP1 IP2 IP3 ... respectively.

Default ports are 9999 and 10000 make sure your firewalls allow these ports. You may optionally configure ./nperf to use custom ports as well, for example setting port 5001 would require opening up port 5002 as well.

NPERF_PORT=5001 ./nperf IP1 IP2 IP3 ...

On k8s

Using helm

helm install https://github.com/minio/nperf/raw/main/helm-releases/nperf-v4.0.0.tgz --generate-name --namespace <my-namespace>

Using `yaml`

export NAMESPACE=<my-namespace>
kubectl apply -f https://github.com/minio/nperf/raw/main/nperf.yaml --namespace $NAMESPACE

Observe the output

kubectl logs --namespace <my-namespace> --max-log-requests <replica-count> -l "app=nperf" -f

LICENSE

Use of nperf tool is governed by the GNU AGPLv3 license that can be found in the LICENSE file.

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