benmmurphy

#!/bin/bash
# *  *    * * *   root    /path/to/riak_graphite_stats.sh
set -e
SOURCE=$(hostname)
GRAPHITE_PORT=2003
GRAPHITE_SERVER="server"
PREFIX="riak_stats"

STATUS=$(/usr/sbin/riak-admin status)

benmmurphy

#!/bin/bash
# *  *    * * *   root    /path/to/riak_stats.sh

set -e

SOURCE=$(hostname)
LIBRATO_USERID=""
LIBRATO_TOKEN=""
PREFIX="test.riak"

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

RJ

#!/bin/bash
# Install fake erlang packages, then the ESL package
# Afterwards, installing packages that depend on erlang, like rabbitmq,
# will use the ESL packaged erlang without installing the older disto ones
#
apt-get install equivs
# Create fake erlang packages, since we are using esl-erlang instead
cd /tmp
apt-get install -y equivs