falkenbt

#/bin/bash

if [[ $# -eq 0 ]] ; then
    echo "Usage: `basename "$0"` <Kibana-URL> [noauth]" 
	echo "Example: `basename "$0"` http://localhost:5601"
    exit 1
fi

AUTH=""
if [[ "$2" != "noauth" ]]; then

jordansissel

compression tests of logstash+elasticsearch

• logstash 1.1.1-pre (unreleased)
• elasticsearch 0.19.5-SNAPSHOT (unreleased)

wget https://dl.dropbox.com/u/2136051/elasticsearch-0.19.5-SNAPSHOT.zip
unzip elasticsearch-0.19.5-SNAPSHOT.zip

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