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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

Backend Development

node.js
- Installation paths: use one of these techniques to install node and npm without having to sudo.
- Node.js HOWTO: Install Node+NPM as user (not root) under Unix OSes
- Felix's Node.js Guide
- Creating a REST API using Node.js, Express, and MongoDB
- Node Cellar Sample Application with Backbone.js, Twitter Bootstrap, Node.js, Express, and MongoDB
- JavaScript Event Loop
Node.js for PHP programmers

	// 1D Bag Packing Problem Description:
	// There are 1 to 1M Orders with 1 to 100 LineItems each
	// Each LineItem has Space S, Quanity Q, and Title
	// For each Order O, Pack N LineItems with Space S and Quantity Q into 1 to M Bags with Size S
	// Reduce the number of bags used if possible since some arrangments will result in extra bags used
	// Ordered by largest bag to smallest bag
	// Can be generalized to any application or restaurant situation

	const example_order_3_lines = [
	{