iJackUA

#!/bin/bash

if [ "$(whoami)" != "root" ]; then
	echo "ERROR : Run script as Root (sudo !!) please"
	exit 1
fi

read -e -p "Redis version to be installed (change if needed) : " -i "2.8.2" VERSION
echo 'Installing redis v.'$VERSION' ... '

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD