A little dirty HTTP benchmark script that was on my ancient disk. ab_hammer.sh uses ab (Apache Benchmark) to hammer the ${target_url} ${attempt} times with (${scale} * 10) concurrency requests, then spits the benchmark result to "${title}-X.csv" and "${title}.csv" .

ab_hammer.sh

#!/bin/bash

# A little dirty HTTP benchmark script
#
# ab_hammer.sh uses ab (Apache Benchmark) to hammer the ${target_url} ${attempt} times
# with (${scale} * 10) concurrency requests, then spits the benchmark result to
# "${title}-X.csv" and "${title}.csv" .

title=hammer
target_url="http://www.yourtarget_here.com/"

# will hammer the server until it reaches (scale * 10) concurrent requests.
scale=1
attempt=3000

# Hammer

echo "Start Hammering."
for idx in `seq 1 1 ${scale}`
do
	for sub_idx in `seq 1 1 5`
	do
		ab -n ${attempt} -c ${idx}0 ${target_url} | tee ${title}-${idx}-${sub_idx}.log
	done
done
echo "Done Hammering."

# Summerize

resultfile=${title}.csv
> $resultfile

for idx in `seq 1 1 ${scale}`
do
	section=${title}-${idx}

	resultfile_section=${section}.csv

	echo $section > tmp.log; echo $section >> tmp.log; echo $section >> tmp.log; echo $section >> tmp.log
	cat tmp.log > $resultfile_section
	rm tmp.log

	for sub_idx in `seq 1 1 5`
	do
		subsection="${section}-${sub_idx}"
		logfile=${subsection}.log
		
		cat $logfile | sed -n 's/.*Failed requests: *\([0-9\.]*\).*/\1/p' > tmp.log
		cat $logfile | sed -n 's/.*Requests per second: *\([0-9\.]*\) \[#\/sec\] (mean).*/\1/p' >> tmp.log
		cat $logfile | sed -n 's/.*request: *\([0-9\.]*\) \[ms] (mean,.*/\1/p' >> tmp.log
		cat $logfile | sed -n 's/.*request: *\([0-9\.]*\) \[ms] (mean).*/\1/p' >> tmp.log
		paste -d, $resultfile_section tmp.log > tmp2.log
		rm tmp.log
		
		mv tmp2.log $resultfile_section
	done
	echo "Created file [$resultfile_section]."
	cat $resultfile_section >> $resultfile

done
echo "Created file [$resultfile]."