8/3/2019 Scale New Business Peaks With Amazon Auto Scaling

1/13

AWS Cloud Tour 2011 India,New Delhi

Scale New Business Peaks withAmazon AutoScaling

Harish Ganesan

CTO and Co-Founder8KMiles

harish@8kmiles.com

8/3/2019 Scale New Business Peaks With Amazon Auto Scaling

2/13

Compute

Weekly

E-commerce1

Compute

Weekly

Online Ticketing

2

Comp

ute

Online Travel3

Comp

ute

During Campaigns

4

Yearly Yearly

Load Patterns of Business

8/3/2019 Scale New Business Peaks With Amazon Auto Scaling

3/13

8/3/2019 Scale New Business Peaks With Amazon Auto Scaling

4/13

Align no. of instances

with demand Flexible capacities and

scaling sizes

Save costs

Fixed capacity

Under utilization ofresources

Lost Customers

Traditional Scaling

Amazon Auto Scaling

Lost customers

8/3/2019 Scale New Business Peaks With Amazon Auto Scaling

5/13

Handle all the variety of load bursts andpatterns

Scale out Amazon EC2 instances

seamlessly and automatically when demandincreases

Scale down unwanted Amazon EC2

instances automatically and save moneywhen demand subsides

Decide the scaling based on AWS

CloudWatch metrics

Amazon AutoScaling

8/3/2019 Scale New Business Peaks With Amazon Auto Scaling

6/13

Auto Scaling

Group

EC2 Instance

EC2 Instance

Elastic LoadBalancer

Amazon CloudWatch

Scale UpRule

Scale

DownRule

Scale Down

Scale Up

PredefinedScalingActivity

Scale Up

Scale Down

Amazon AutoScaling Architecture

Key Concepts :

Launch Configuration

Auto Scaling Group

Trigger

Policy

Alarm

8/3/2019 Scale New Business Peaks With Amazon Auto Scaling

7/13

Compute

Time

Configure On demand AutoScaling policy

Create policies for bothScaling out and Scalingdown scenarios

Auto Scaling will respond to

changing conditionsdynamically

Un Predictable Bursts2

%as-create-auto-scaling-groupas-group --availability-zones us-east-1c

launch-configurationmy-lconfig --max-size 24 --min-size 4 --cooldown

180 --load-balancers my-load-balancer

Auto Scaling : Unpredictable Burst

8/3/2019 Scale New Business Peaks With Amazon Auto Scaling

8/13

Compute

Time

Configure Time based AutoScaling plan

PutScheduledUpdateGroupAction - specify the date andtime of execution, minimum,

maximum, and desiredInstance size of capacity

Predictable Bursts1

% as-put-scheduled-update-group-action my-groupname My-scale-

up -- time 2011-11-12T02:00:00Z -min 10 -max 50

Auto Scaling : Predictable Burst

8/3/2019 Scale New Business Peaks With Amazon Auto Scaling

9/13

Web Tier Application Tier

Caching Tier

Load Balancing Tier

Other Stateless Tiers

Candidates for Auto Scaling

8/3/2019 Scale New Business Peaks With Amazon Auto Scaling

10/13

Compute

Time

1

Compute

Time

2

Comp

ute

Time

Auto Scaling Benefits : Cost Savings

30 % savings

35 % savings

35 % savings

30 % savings

3

8/3/2019 Scale New Business Peaks With Amazon Auto Scaling

11/13

Benefits of AutoScaling work inprogress

Source: AWS

We can closely align our Infrastructurewith our load requirements and savecosts

Happier DevOps !!!

Auto Scaling Benefits : No Lost

customers

8/3/2019 Scale New Business Peaks With Amazon Auto Scaling

12/13

Key Points to Remember

Log Files , Data Files and Sessions

Multiple AZs inside a Region

EBS Backed AMIs are faster to launch

Multiple Instances Types in an Auto Scaling group

Combining Custom CloudWatch Metrics opens hugepossibilities

Evaluate Traditional Monitoring

8/3/2019 Scale New Business Peaks With Amazon Auto Scaling

13/13

Thank You

For more details on how we can help yourbusiness , contact

cloud@8KMiles.comVisit us at cloud.8KMiles.com