Recommendation of a Strategy

Tales of a Bootstrapped Startup

Onista, Inc

What is Onista?

Real-time price negotiation

Qualified sales leads and zero upfront cost

Leverage power of social network

Amalgam of eBay, LendingTree, Priceline, Alibaba and LinkedIn

The Beginning

Custom PHP development

Huge Product Requirements Document (PRD)

Wire frames

Outsourced development

Classic Pitfalls

Wire frames used as templates

No Architecture

No Logging

No Monitoring support

No Alerting support

No Reporting support

No Database Abstraction Layer

SQL embedded in the code

There's Gotta be a Better Way!

Discover MVCSmarty templating engine

Refactor application logic

Refactor business logic

Retrofit with Logging, Reporting and Alerting

Optimize the database

Improve security

The Birth

DatabaseWebserverAppserverData

Problem

Not Scalable

Will roll over and die

Can't cope with spikes

Enter the Cloud

Discover AWS

S3

EC2

SimplePay

AWS Promise

Infinitely Scalable Instances

Infinitely Large Storage

Stop thinking about capacity

Is it really?

AWS Reality

Infinitely Scalable Instancesstart unlimited instances

Infinitely Large Storagecode architecture needs to change

Stop worrying about capacitystart worrying about manual labor

Throw your default assumptions awayNo persistent file system

What is Scaling?

The ability of a web system to respond to unexpected load without a denial of service

Two KindsManual Scaling

Auto Scaling

Scalr

Auto-Scaling

Self-Curing

Configuring

Monitoring

Open Source !

Free as in beer!

Scalr

http://scalr.googlecode.com/files/network_diagram_smaller.gif

How does it work?

http://scalr.googlecode.com/files/processes.png

Trails with Scalr

DocumentationGreat User Guide

No Admin/Install guide :(

Trial and Error

Needs experience with DNS server setup

Setup MySQL Master/Slave

Test different scenarios

Moment of Truth

Self host ScalrOne instance for itself

DNS Server

Use Scalr.net

Use CloudInCode

Recommended Setup

CloudInCode

Onista Setup

CloudInCode

Onista

Summary

Scaling is hardScalr makes it easy

Don't manage Scalr yourselfUse CloudInCode

Software architecture is the important

Q &A