HUANG SHITAO CN6033

Internet Scale Services Checklist

A checklist for designing and developing internet scale services, inspired by James Hamilton's 2007 paper "On Desgining and Deploying Internet-Scale Services."

http://mvdirona.com/jrh/talksandpapers/jamesrh_lisa.pdf

Basic tenets

Does the design expect failures to happen regularly and handle them gracefully?
Have we kept things as simple as possible?

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

	#! /usr/bin/env python
	import argparse
	import sys
	import re
	import time

	line_nginx_full = re.compile(r"""(?P<ipaddress>\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}) - - \[(?P<dateandtime>\d{2}\/[a-z]{3}\/\d{4}:\d{2}:\d{2}:\d{2} (\+\|\-)\d{4})\] ((\"(GET\|POST) )(?P<url>.+)(http\/1\.1")) (?P<statuscode>\d{3}) (?P<bytessent>\d+) (["](?P<refferer>(\-)\|(.+))["]) (["](?P<useragent>.+)["])""",
	re.IGNORECASE)

	line_nginx_onlyStatus = re.compile(r'.+HTTP\/1\.1" (?P<statuscode>\d{3})')

	/* Exercise: Loops and Functions #43 */
	package main

	import (
	"fmt"
	"math"
	)

	func Sqrt(x float64) float64 {
	z := float64(2.)