SkillPages Engineering Presents at AWS Lean Cloud in London

Iain MacDonald SkillPages Engineering Team

One Place to Find Skilled People

Registered Users7 million 6 million 5 million 4 million 3 million 2 million 1 million 2011 2012

Examples of what they can do

18 MONTHS 230 COUNTIRES100,000 PEOPLE PRESENTED WITHNEW WORK OPPORTUNITIES EVERY DAY1,000,000 NEW MEMBERS/MONTH4,500,000 UNIQUE VISITORS/MONTH

A New Global Internet UtilityRetail & Cloud! Find Skilled People Online Storage

Connect people with skills to people who need themOn a large scale within a trusted environment.

Challenges Performance Flexibility Time ToScalability Market

Focus on developing a product users want Amazon provide the Infrastructure!

Key AWS Components EC2 ELB S3 SQS EMROn Demand Computing Auto scaling Load Elastic Storage for Platform Message Big Data Processing High I/O SSD Balancer User & Sys resources Queues Cloudwatch EBS Dynamo Cloudfront SWF Monitoring & Alarms Instance Storage Scalable noSQL db Global Content Coordinates Push App Metrics Std & Provisioned IOS Atomic Counters Delivery Network Application Workflows

Scale Out vs. Scale UpSupport Rolling UpgradesInstrument via CloudWatch

Measure Everything Split Testing is invaluableDrive decisions based on Data

Add 40GB+ Telemetry data dailyCompute via Elastic Map Reduce Surfaced via SSAS & Tableau

Boyd’s Law of Iteration “Speed of iteration always beats quality of iteration.”Where you are today doesn’t matter so much, compared to where you’re going tomorrow.

2 Major releases per weekMultiple smaller pushes per day Everybody Tests

Repeat the process to get more feedback Pay down technical debt along the way!

Where Are We Now?

62 Instances 3 Availability Zones 3.1M Contacts per Day Core Fleet US East (Northern VA) Over 3.1 Million contacts & Add capacity as required Planned for Multi Region connections uploaded Working towards autoscale each day>2.5 Billion Relationships Tech Team of 19 10M+ Growth Increments Our social graph models Total company size 37 Ready for additional 10 million over 2.5 Billion social users at any point in time relationships

• Started with On Demand Instances• Grew into Reserved Instances (Save 48%)• Leverage Spot Pricing (Save 76%)• Use Cost Allocation Functionality Significant Savings when managed

Excellent support & guidance from AWS Team from the outset. Currently on Business Level 1hr Response 24/7 email, phone and chat Checkout Trusted Advisor

Why cloud works for SkillPages• Allows us to focus on innovation• Deliver better product to our users• Ability to scale & adopt• Economic Sense

Where you find skilled people

SkillPages Engineering Presents at AWS Lean Cloud in London

by Iain Mac Donald on Oct 01, 2012

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