ragingwind

Backend Architectures

Twitter

ror, scala, jetty, erlang, thrift, mongrel, comet server, my-sql, memchached, varnish, kestrel(mq), starling, gizzard, cassandra, hadoop, vertica, munin, nagios, awstats

• Introduce Gizzard of Twitter - 트위터의 새로운 분산 관리 라이브러리 Gizzard를 소개합니다.
• The Architecture Twitter Uses to Deal with 150M Active Users, 300K QPS, a 22 MB/S Firehose, and Send Tweets in Under 5 Seconds
• Scaling Twitter: Making Twitter 10000 Percent Faster

ndarville

Business Models

Advertising

Models	Examples
Display ads	Yahoo!
Search ads	Google

rgreenjr

-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 

matschaffer

bash -c '
<%= "export http_proxy=\"#{knife_config[:bootstrap_proxy]}\"" if knife_config[:bootstrap_proxy] -%>

yum install -y wget
wget <%= "--proxy=on " if knife_config[:bootstrap_proxy] %>http://rbel.co/rbel5
rpm -Uvh rbel5

yum install -y rubygem-chef
'

alotaiba

Google Text to Speech API

Base URL: http://translate.google.com/translate_tts
It converts written words into audio. It accepts GET requests.

GET

q
The query string to convert to audio

tl
Translation language, for example, ar for Arabic, or en-us for English

doitian

log_level                :info
log_location             STDOUT
node_name                'solo'
client_key               File.expand_path('../solo.pem', __FILE__)
cache_type               'BasicFile'
cache_options( :path => File.expand_path('../checksums', __FILE__))
cookbook_path [ File.expand_path('../../cookbooks', __FILE__) ]

codeforkjeff

#!/bin/sh
#
# Shell script that configures gnome-terminal to use solarized theme
# colors. Written for Ubuntu 11.10, untested on anything else.
#
# Solarized theme: http://ethanschoonover.com/solarized
# 
# Adapted from these sources:
# https://gist.github.com/1280177
# http://xorcode.com/guides/solarized-vim-eclipse-ubuntu/