Concurrent Request Load Testing

loadtest.sh

#!/bin/bash
count=$1
echo "time | http_code | filesize | url";
seq 1 $count | xargs -n1 -P$count bash -c 'i=$0; rand=$(openssl rand -base64 12); curl -o /dev/null -w "%{time_total} | %{http_code} | %{size_download} | %{url_effective}\n" -s "http://example.com/?${rand}"'

run with source ./loadtest.sh {number of concurrent requests}