A website benchmarking script using Apache ab. This script hits a target with requests and then generates a small report for each case.

bench.sh

#!/usr/bin/env bash

# if you are testing a base url, you need a trailing slash
SITE="http://example.com/"
OUTFILE=${1:-output.txt}

new_line() {
    echo -e "" >>$OUTFILE
}

divider() {
    echo -e "\n====================================================================\n" >>$OUTFILE
}

on_complete() {
    echo "\n\nBench Completed." >>$OUTFILE
    echo "\n\nBench Completed."
}

run_test() {
    let "total = $1*$2"
    echo "$1 concurrent user doing $2 page hits"
    echo "$1 concurrent user doing $2 page hits" >>$OUTFILE
    new_line
    ab -l -r -n $total -c $2 -k -H "Accept-Encoding: gzip, deflate" $SITE >>$OUTFILE
    divider
    sleep 3
}

touch $OUTFILE

echo "Benching: $SITE"
echo "Benching: $SITE" >$OUTFILE
new_line

run_test 10 10

run_test 30 20

run_test 90 30

run_test 200 50

run_test 2000 50

on_complete