Performance testing tools
Vegeta
Standalone install
LATEST=$(curl --silent "https://api.github.com/repos/tsenart/vegeta/releases/latest" | jq -r .tag_name | tr -d "v"); echo $LATEST
TEMPDIR=$(mktemp -d)
curl -L https://github.com/tsenart/vegeta/releases/download/v${LATEST}/vegeta_${LATEST}_linux_amd64.tar.gz -o $TEMPDIR/vegeta_${LATEST}_linux_amd64.tar.gz
sudo tar xzvf $TEMPDIR/vegeta_${LATEST}_linux_amd64.tar.gz -C /usr/local/bin vegeta
vegeta -version
Version:
Commit:
Runtime: go1.14.2 linux/amd64
Date:
Docker and Kubernetes
Docker images
Kubernetes deployment
<syntaxhighlightjs lang="yaml">
kubectl apply -f <(cat <<EOF
apiVersion: apps/v1
kind: Deployment
metadata:
name: vegeta labels: app: vegeta
spec:
replicas: 1
selector:
matchLabels:
app: vegeta
template:
metadata:
labels:
app: vegeta
spec:
containers:
- name: vegeta
image: peterevans/vegeta:6.9.1-vegeta12.8.4
args:
- sh
- -c
- sleep 36000 # 3600
ports:
- containerPort: 80
resources:
limits:
cpu: 4000m # '1'
memory: 1Gi
requests:
cpu: 2000m # '1'
memory: 1Gi
nodeSelector:
node.kubernetes.io/lifecycle: spot
EOF ) --dry-run=server </syntaxhighlightjs>
Operations on a pod
URL=http://example.com/healthcheck
NAME=example.com
RATE=50/1s
DURATION=600s
DIR=/results
FILE=$DIR/$DATE-$NAME-r${RATE/\//-}-d$DURATION
DATE=$(date +"%Y%m%d-%H%M"); echo $DATE
echo "GET $URL" | vegeta attack -name $NAME -rate=$RATE -duration=$DURATION -timeout=120s | tee $FILE-results.bin | vegeta report
cat $FILE-results.bin | vegeta plot -title $URL > $FILE-plot.html
cat $FILE-results.bin | vegeta report
# | -cpus int Number of CPUs to use (default 8)
# | attack
# | -duration duration Duration of the test [0 = forever]
# | -name string Attack name
# | -output string Output file (default "stdout")
# | -rate value Number of requests per time unit [0 = infinity] (default 50/1s)
# | -targets string Targets file (default "stdin")
# | -workers uint Initial number of workers (default 10)
# | plot
# | -output string Output file (default "stdout")
# | -title string Title and header of the resulting HTML page (default "Vegeta Plot")
# | report
# | -output string Output file (default "stdout")
# | -type string Report type to generate [text, json, hist[buckets], hdrplot] (default "text")
# On a laptop
kubectl cp vegeta/vegeta-5847d879d8-p9kqw:plot.html ./plot.html -c vegeta