aws deck templateaws-de-media.s3.amazonaws.com/images/aws summit berlin... · 2015-06-24 · more...
TRANSCRIPT
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Berlin
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Running Lean and Mean
Designing Cost-Effective Architectures on AWS
Constantin Gonzalez
Principal Solutions Architect, AWS Germany
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What you’ll get out of this session
• A lower AWS bill
• A more scalable, robust, dynamic architecture
• More time to innovate
• Real-world customer examples
• Easy to implement
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Cloud computing benefits• Pay as you go, no up-front investments
• Low ongoing cost
• Flexible capacity
• Speed, agility, and innovation
• Focus on your business
• Go global in minutes
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Cloud computing benefits• Pay as you go, no up-front investments
• Low ongoing cost
• Flexible capacity
• Speed, agility, and innovation
• Focus on your business
• Go global in minutes
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Optimizing for Cost
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Strategy 1: Do nothing
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AWS pricing philosophyEcosystem
Global Footprint
New Features
New Services
More AWS
Usage
More
Infrastructure
Lower
Infrastructure
Costs
Reduced
Prices
More
CustomersInfrastructure
Innovation
48 price
reductions
since 2006Economies
of Scale
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Strategy 2:
Do almost nothing
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AWS Trusted Advisoraws.amazon.com/premiumsupport/trustedadvisor/
Free with Business or Enterprise Support
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Strategy 3:
Optimize Architecture
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The basic process
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Architecting for low cost
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1: Turn off unused instances
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1: Turn off unused instances
• Developer, test, training instances
• Use simple instance start and stop
• Or tear down and build up all together
• Instances are disposable
• Automate, automate, automate:– AWS CloudFormation
– Weekend/off-hours scripts
– Use tags
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Customer dev/test example
Monday Friday End of Vacation Season35% saved
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2: Use Auto Scaling
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Auto Scaling
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AWS CloudFormation: Launch Configuration
"LaunchConfig": {
"Type" : "AWS::AutoScaling::LaunchConfiguration",
"Metadata" : {
"AWS::CloudFormation::Init" : {
"config" : {
… packages, sources, files, services …
}
}
},
"Properties": {
"ImageId" : "ami-149f7863",
"InstanceType" : "m1.small",
"SecurityGroups" : [ {"Ref" : "WebServerSecurityGroup"} ],
"KeyName" : "MySSHKey",
"UserData" : { "Fn::Base64" : { "Fn::Join" : ["", [
"#!/bin/bash -v\n",
… your user data script …
]]}}
}
}
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AWS CloudFormation: Auto Scaling group
"WebServerGroup" : {
"Type" : "AWS::AutoScaling::AutoScalingGroup",
"Properties" : {
"AvailabilityZones" : [
"us-east-1a","us-east-1b","us-east-1c",
],
"LaunchConfigurationName" : { "Ref" : "LaunchConfig" },
"MinSize" : “3",
"MaxSize" : “6",
"DesiredCapacity" : “3",
"LoadBalancerNames" : [ { "Ref" : "ElasticLoadBalancer" } ]
}
}
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Align your resources with demand
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3: Use Reserved Instances
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3: Use Reserved Instances
1y RI
Break even
3y RI
Break even
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Reserved Instances are flexible
• Can be moved between AZs
• Can be moved between EC2-
Classic and EC2-VPC platforms
• Size can be modified within the
same instance family
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Track Savings over Time
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Who am I• Markus Ostertag• Head of Development @ Team Internet• Online-/Tech-Business > 15 years• AWS customer since 2008• Co-Organizer AWS Usergroup Munich
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Team Internet
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Team Internet
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Team Internet
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Team Internet
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Team Internet
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Team Internet
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Team Internet @ AWS• We try to
– leverage everything– be as efficient as possible– find creative solutions to roadblocks– save money whenever possible
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EC2• > 100 Reserved Instances• Nearly no need to scale down
• Bare metal in co-location or own computing center?
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EC2• Need to scale up quickly• Transparent redundancy (AZ)• Networking (VPC, Firewalls, Routing)• Traffic costs• Bandwidth per AZ
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Services – “I can do that by myself!”• Know-How• Development (Improvement, Bugfixing)• High Availability• Operations (24/7)
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Additional Features of AWS• Get features for free:
– API, SDKs, CLI– Global footprint (low latency)– Monitoring (Cloudwatch)– IAM– High Availability
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Flexibility – we need it!• Testing, Staging...• Find (hardware) bottlenecks• Add technologies to our stack
• Try out new/crazy ideas and save money if they really work!
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MongoDB vs. DynamoDB• MongoDB-Cluster:
– >5 TB– >300 GB every day– rotate DB every week (~2 TB)
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MongoDB vs. DynamoDB• Several issues with MongoDB
– MongoDB updates = adventure– Maintenance sometimes difficult and time consuming– More data = more trouble
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MongoDB vs. DynamoDB• DynamoDB:
– Managed = no maintenance– Updates = not our/no problem– More data = not our/no problem
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MongoDB vs. DynamoDB• DynamoDB as a replacement
– Rotate Table/DB every day (scripted)– Automatic scaling = save money– Lower/more stable response times (< 5ms)
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Why no actual numbers?• We don‘t compare apples to oranges • We choose a philosophy: static (bare-metal) vs. flexible (cloud), depending on
the use-case• We reduce costs in the cloud as much as possible but stick to our decision
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• Mail: [email protected]• Xing: http://xing.to/mo• Linkedin: http://de.linkedin.com/in/ostertag
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4: Use Spot Instances
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Spot Instance rules
• Price based on supply/demand
• You choose your maximum price/hour
• Your instance is started if the Spot price is lower
• Your instance is terminated if
the Spot price is higher, with 2 minutes notice
• But: You did plan for fault tolerance, didn’t you?
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Spot Instance example
On-Demand:
$0.24
$0.028 (11.7%) $0.026 (10,8%)
$3.28
(1367%)
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Spot Instances recap• Very dynamic pricing
• Opportunity to save 80-90% cost– But there are risks
• Different prices per AZ
• Leverage Auto Scaling!– One group with Spot Instances
– One group with On-Demand
– Get the best of both worlds
• New: Spot fleets – Manage thousands
of Spot Instance with one API call
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5: Use Amazon S3 storage classes
• Reduced redundancy storage class– 99.99% durability vs. 99.999999999%
– Up to 20% savings
– Everything that is easy to reproduce
– Use Amazon SNS lost object notifications
• Amazon Glacier storage class– Same 99.999999999% durability
– 3 to 5 hours restore time
– Up to 64% savings
– Archiving, long-term backups, and old data
• Use life-cycle rules
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6. Optimize Amazon DynamoDB
capacity units
• Read/write capacity units (CUs) determine
most of DynamoDB cost
• By optimizing CUs, you can save a lot of money
• But:– Need to provision enough capacity to not run into capacity errors
– Need to prepare for peaks
– Need to constantly monitor/adjust
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• Use caching to save read capacity units– Local RAM caches at app server instances
– Check out Amazon ElastiCache
• Think of strategies for optimizing CU use– Use multiple tables to support varied access patterns
– Understand access patterns for time series data
– Compress large attribute values
• Use Amazon SQS to buffer over-capacity writes
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Amazon SQS can buffer requests
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Dynamic DynamoDB
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DynamoDB optimization example
Caching/Optimization:
80% saved
Cache
flush
Dynamic
DynamoDB:
20% saved
Growth +
new features
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7. Offload your architecture
• The more you can offload, the less
infrastructure you need to maintain, scale,
and pay for
• Three easy ways to offload:– Use Amazon CloudFront
– Introduce caching
– Leverage existing Amazon web services
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Offload popular traffic to
Amazon S3 and CloudFront
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Offload databases through caching
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Leverage existing services• Amazon RDS, Amazon DynamoDB or Amazon
ElastiCache for Redis, Amazon Redshift– Instead of running your own database
• Amazon CloudSearch– Instead of running your own search engine
• Amazon Elastic Transcoder
• Amazon Elastic MapReduce
• Amazon Cognito, Amazon SQS, Amazon SNS,
Amazon Simple Workflow Service, Amazon SES,
Amazon Kinesis, and more …
Simple, more reliable, lower cost
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Cost monitoring
&
analysis
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AWS TCO calculator
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AWS simple monthly calculator
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AWS Billing Console
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AWS Cost Explorer
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AWS billing alerts
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Let’s recap
1. Turn off unused instances
2. Use Auto Scaling
3. Use Reserved Instances
4. Use Spot Instances
5. Leverage Amazon S3 storage classes
6. Optimize Amazon DynamoDB capacity units
7. Offload your architecture
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… and remember to iterate!