set output '| ps2pdf -dEPSCrop - data/freshness.pdf'
set terminal postscript color eps enhanced "NimbusSanL-Regu" 24 
set pointsize 1.5
set rmargin 3
set lmargin 10
set nokey

set xlabel "Max freshness requirement in seconds"
set ylabel "Peak requests/sec"
set yrange [0:4000]

dbpeak = `awk '{print $6}' < data/mediumdb-stock | sort -nr | head -n1`

plot [x = 0:*] \
     "data/mediumdb-txcache-freshness-peaks" \
       title "TxCache" with linespoints lt 1 pt 7 lc 3 lw 3, \
     dbpeak title "No caching (baseline)" \
       with line lt 2 lc 1 lw 3