Redis benchmark script

rb.sh

#!/bin/bash

REQUEST=5000000
SIZE=3

if [ $1 == "--help" ]
then
   echo "Usage : ./rb.sh [requests] [block]"
   echo
   echo " requests : how many to use during performance testing (default : 5000000) "
   echo " block    : size in bytes, 1k, 4k or 100k (default : 3) "
   echo
   echo "Redis Benchmark from David Legrand distributed under MIT Licence"
   echo "Script testing Redis server latency & performance."
   echo
   echo "Examples :"
   echo
   echo " ./rb.sh"
   echo " ./rb.sh 4k"
   echo " ./rb.sh 1000000 100k"
   echo
   exit 0
fi

[[ $1 -gt 3 ]] && REQUEST=$1
[[ $1 == "1k" || $2 == "1k" ]] && SIZE=1024
[[ $1 == "4k" || $2 == "4k" ]] && SIZE=4096
[[ $1 == "100k" || $2 == "100k" ]] && SIZE=102400

clear

echo "Memory bandwidth : $(sudo dmidecode -t 17 -q | grep -m 1 "Configured Memory Speed: [0-9]" | awk '{print substr($0, index($0,$4))}')"
echo "Requests number  : $REQUEST"
echo "Block size       : $SIZE bytes"
echo "Server latency   : $(redis-cli --latency -i 15 --raw | awk '{print $3}') ms"
echo

redis-cli FLUSHALL > /dev/null

for PIPE in 1 2 4 8 16 32 64 128 256 512
do
   if [[ ($1 == "100k" || $2 == "100k") && $PIPE -gt 8 ]]
   then
      exit 0
   else
      if [ $PIPE -gt 1 ]
      then
         LENGTH=$((30 + ${#PIPE}))
         echo "Performances - PIPELINING ($PIPE) :"
         for (( i=1; i<=$LENGTH; i++ )); do echo -n -; done
         echo
      else
         echo "Performances"
         echo "------------"
      fi
      sudo redis-benchmark -q -t get,set -n $REQUEST -d $SIZE -P $PIPE
      redis-cli FLUSHALL > /dev/null
   fi
done

exit 0