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add apachebench benchmarking and graphing

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Oliver Ladner 2023-11-02 09:46:25 +01:00
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apachebench/README.md Normal file
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# ab (apache bench) and Gnuplot
Two scripts:
* `ab.sh` runs your ab benchmark. Specifiy requests, concurrency and URL
* `plot_ttime.sh` generates graphs with Gnuplot (total time)
* `plot_ttfb.sh` generates graphs with Gnuplot (Time To First Byte)
Web links:
* [Apache Bench and Gnuplot: you’re probably doing it wrong](http://www.bradlanders.com/2013/04/15/apache-bench-and-gnuplot-youre-probably-doing-it-wrong/)

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apachebench/ab.sh Executable file
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#!/usr/bin/env bash
reqs=100000
concurrency=10
url='http://swiss-igr-lb-1579447362.eu-west-1.elb.amazonaws.com/en/'
fileprefix='swiss-igr'
useragent="Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1 Unic Loadtest"
# apache bench with basic authentication
ab -A username:password -H "User-Agent: $useragent" -n $reqs -c $concurrency -g ${fileprefix}_$(date +%F_%H%M%S)_r-${reqs}_c-${concurrency}.gnuplot $url > ${fileprefix}_$(date +%F_%H%M%S)_r-${reqs}_c-${concurrency}.log

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apachebench/plot_ttfb.sh Executable file
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#!/usr/bin/env bash
for file in $(ls -1 swiss*\.gnuplot); do
gnuplot <<- EOF
set terminal png size 1280,500
set size 1, 1
set output "$file\_ttfb.png"
set title "$file"
set key left top
set grid y
set xdata time
set timefmt "%s"
set format x "%H:%M:%S"
set xlabel 'time'
set ylabel "response time (ms)"
set yrange [0:10000]
set datafile separator '\t'
plot "$file" every ::2 using 2:6 title 'response time (TTFB)' with points
exit
EOF
done

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apachebench/plot_ttime.sh Executable file
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#!/usr/bin/env bash
for file in $(ls -1 swiss*\.gnuplot); do
gnuplot <<- EOF
set terminal png size 1280,500
set size 1, 1
set output "$file\_ttime.png"
set title "$file"
set key left top
set grid y
set xdata time
set timefmt "%s"
set format x "%H:%M:%S"
set xlabel 'time'
set ylabel "response time (ms)"
set yrange [0:10000]
set datafile separator '\t'
plot "$file" every ::2 using 2:5 title 'response time (total)' with points
exit
EOF
done