Aaron Brown aaronbbrown

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?

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

For a moment, I'm going to throw away my automation and configuration management hat. I'll let you know when I put it back on. Also, let's ignore that we're talking about Riak specifically for a moment. Also also, let's ignore any (for a brief moment) the proper role of a package manager.

What's your target market?

If you're writing server software, you have two target markets. The system administrator/operations team and the developer.

Why do you want autostart?

The main reason you want autostart is to get people up and running quickly. To do this, you need to ship safe and sane defaults. This means something like a default configuration that listens only on localhost.

	# Taint the master node to allow pods to be scheduled
	sudo -E kubectl taint nodes --all node-role.kubernetes.io/master-

	# Remove CNI stuff to make sure kube-dns will start
	rm -r /var/lib/cni/networks/*

	# Restart the cluster
	sudo kubeadm reset --cri-socket /var/run/crio/crio.sock
	sudo systemctl stop kubelet
	sudo systemctl stop crio

	echo "Flipping tables! (╯°□°）╯︵ ┻━┻"

	num_rules=3

	real=3 # exposed to the ELB as port 443
	test=4 # used to install test certs for domain verification
	health=5 # used by the ELB healthcheck

	blue_prefix=855
	green_prefix=866

	file_to_disk = './tmp/large_disk.vdi'

	Vagrant::Config.run do \|config\|
	config.vm.box = 'base'

	config.vm.customize ['createhd', '--filename', file_to_disk, '--size', 500 * 1024]
	config.vm.customize ['storageattach', :id, '--storagectl', 'SATA Controller', '--port', 1, '--device', 0, '--type', 'hdd', '--medium', file_to_disk]
	end

	#!/bin/sh
	# Usage: . testlib.sh
	# Simple shell command language test library.
	#
	# Tests must follow the basic form:
	#
	# begin_test "the thing"
	# (
	# set -e
	# echo "hello"

	#!/usr/bin/env sh

	##
	# This is script with usefull tips taken from:
	# https://github.com/mathiasbynens/dotfiles/blob/master/.osx
	#
	# install it:
	# curl -sL https://raw.github.com/gist/2108403/hack.sh \| sh
	#

	begin
	require 'unicorn/app/old_rails'
	require 'unicorn/oob_gc'
	ActionController::Dispatcher.middleware.use Unicorn::OobGC, 2, %r{\A/(?:expensive/foo\|more_expensive/foo)}
	rescue LoadError
	end

	test_dir1:1000:1000
	test_dir2:1001:1001
	test_dir3:1002:1002