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© 2014 Amazon.com, Inc. and its affiliates. All rights reserved. May not be copied, modified, or distributed in whole or i...
Scaling on AWS for the First 10 Million Users
• Me:
– Chris Munns – munns@amazon.com
• YOU: Here to learn more about scali...
So how do we scale?
a lot of things to read
a lot of things to read
not where we want to start
us today
Auto-Scaling is a tool
and a destination. It’s
not the single thing that
fixes everything.
What do we need
first?
Some basics…
US-WEST (Oregon)
EU-WEST (Ireland)
ASIA PAC (Tokyo)
US-WEST (N. California)
SOUTH AMERICA (Sao Paulo)
US-EAST (Virginia)
A...
US-WEST (Oregon)
EU-WEST (Ireland)
ASIA PAC (Tokyo)
US-WEST (N. California)
SOUTH AMERICA (Sao Paulo)
US-EAST (Virginia)
A...
Edge Locations
• $7B+ retail business
• 8,000+ employees
• A whole lot of servers
Every day, AWS adds enough
server capacity to power tha...
Storage & Content
Delivery
AWS Global Infrastructure
Database
App Services
Deployment & Management
Compute & Networking
An...
Storage & Content
Delivery
AWS Global Infrastructure
Database
App Services
Deployment & Management
Compute & Networking
An...
So let’s start from day
one, user one (you)
Day One, User One:
• A single EC2 Instance
– With full stack on this host
• Web App
• Database
• Management
• Etc.
• A sin...
“We’re gonna need a bigger box”
• Simplest approach
• Can now leverage PIOPs
• High I/O instances
• High memory instances
...
“We’re gonna need a bigger box”
• Simplest approach
• Can now leverage PIOPs
• High I/O instances
• High memory instances
...
Day One, User One:
• We could potentially get
to a few hundred to a few
thousand depending on
application complexity
and t...
Day One, User One:
• We could potentially get
to a few hundred to a few
thousand depending on
application complexity
and t...
Day Two, User >1:
First let’s separate out
our single host into
more than one.
• Web
• Database
– Make use of a database
s...
Self-Managed Fully-Managed
Database Server
on Amazon EC2
Your choice of
database running on
Amazon EC2
Bring Your Own
Lice...
But how do I choose
what DB technology I
need? SQL? NoSQL?
Some folks won’t like
this. But…
Start with SQL
databases
Why start with SQL?
• Established and well worn technology
• Lots of existing code, communities, books, background,
tools,...
AH HA! You
said “massive
amounts”, I
will have
massive
amounts!
If your usage is such that you will be
generating several TB ( >5 ) of data
in the first year OR have an
incredibly data i...
Why else might you need NoSQL?
• Super low latency applications
• Metadata driven datasets
• Highly non-relational data
• ...
User >100:
First let’s separate out
our single host into
more than one.
• Web
• Database
– Use Amazon RDS to make
your lif...
User > 1000:
Next let’s address our
lack of failover and
redundancy issues:
• Elastic Load Balancer
• Another Web Instance...
• Create highly scalable applications
• Distribute load across EC2 instances
in multiple availability zones
Feature Detail...
Scaling this horizontally
and vertically will get us
pretty far
( 10s-100s of thousands )
User >10ks-100ks:
RDS DB Instance
Active (Multi-AZ)
Availability Zone Availability Zone
RDS DB Instance
Standby (Multi-AZ)...
This will take us pretty far
honestly, but we care about
performance and efficiency,
so let’s improve this further
Shift some load around:
Let’s lighten the load on our
web and database instances:
• Move static content from
the web insta...
Working with Amazon S3
• Object based storage for the web
• 11 9s of durability
• Good for things like:
– Static assets ( ...
CloudFront
Amazon CloudFront is a web service for scalable
content delivery:
• Cache static content at the edge for faster...
Shift some load around:
Web
Instance
RDS DB Instance
Active (Multi-AZ)
Availability Zone
Elastic Load
Balancer
Amazon S3
A...
Shift some load around:
Let’s lighten the load on our
web and database instances:
• Move static content from
the web insta...
Amazon DynamoDB
• Managed, provisioned throughput
NoSQL database
• Fast, predictable performance
• Fully distributed, faul...
Amazon ElastiCache
• Hosted Memcached & Redis
– Speaks same API as traditional open source
Memcached and Redis
• Scale fro...
Shift some load around:
Web
Instance
RDS DB Instance
Active (Multi-AZ)
Availability Zone
Elastic Load
Balancer
Amazon S3
A...
Now that our Web tier is
much more lightweight, we
can revisit the beginning of
our talk…
Auto-Scaling!
Automatic resizing of compute
clusters based on demand
Feature Details
Control Define minimum and maximum instance pool
si...
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Typical weekly traffic to Amazon.com
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Typical weekly traffic to Amazon.com
Provisioned capacity
November traffic to Amazon.com
November
November traffic to Amazon.com
Provisioned capacity
November
November traffic to Amazon.com
76%
24%
Provisioned capacity
November
November traffic to Amazon.com
November
Auto Scaling
lets you do this!
User >500k+:
Availability Zone
Amazon
Route 53
User
Amazon S3
Amazon
Cloudfront
Availability Zone
Elastic Load
Balancer
Dy...
Use Tools:
Managing your infrastructure will become an ever
increasing important part of your time. Use tools to
automate ...
AWS Application Management Solutions
Convenience Control
Higher-level Services Do it yourself
AWS
Elastic Beanstalk
AWS
Op...
Host Based Configuration Management
Two big players:
– Chef
– PuppetLabs Puppet
• Both do more or less the same thing
• Bo...
User >500k+:
You’ll potentially start to run into issues with speed and
performance of your applications.
• Make sure you ...
HOST
LEVEL
METRICS
AGGREGATE
LEVEL
METRICS
LOG
ANALYSIS
EXTERNAL
SITE
PERFORMANCE
Not having proper
monitoring/metrics is like
flying a plane with an eye
mask on in a thunderstorm.
Oh and your wing is on ...
AWS Marketplace & Partners Can Help
• Customer can find, research,
and buy software
• Simple pricing, aligns with
Amazon E...
There’s further
improvements to be
made in breaking apart
our web/app layer
SOA = Service Oriented Architecture
SOA’ing
Move services into their own
tiers/modules. Treat each of these
as 100% whole-y separate pieces
of your infrastruc...
Loose coupling sets you free!
• The looser they're coupled, the bigger they scale
– Independent components
– Design everyt...
Loose coupling + SOA = winning
DON’T REINVENT THE WHEEL
Examples:
• Email
• Queuing
• Transcoding
• Search
• Databases
• M...
On re-inventing the wheel:
If you find yourself writing
your own: queue, DNS
server, database, storage
system, monitoring ...
Take a deep breath and
stop it. Now.
User >1mil+:
Reaching a million and above is going to require some bit
of all the previous things:
• Multi-AZ
• Elastic Lo...
User >1mil+:
RDS DB Instance
Active (Multi-AZ)
Availability Zone
Elastic Load
Balancer
RDS DB Instance
Read Replica
RDS DB...
The next big steps
User >5mil – 10mil:
You’ll potentially start to run into issues with your database
around contention on the write master.
...
Database Federation
• Split up Databases by
function/purpose
• Harder to do cross function
queries
• Essentially delaying ...
Sharded Horizontal Scaling
• More complex at the
application layer
• ORM support can help
• No practical limit on
scalabil...
Shifting functionality to NoSQL
• Similar in a sense to federation
• Again, think about the earlier points for when you
ne...
A Quick Review
A Quick Review
• Multi-AZ your infrastructure
• Make use of self scaling services - ELB, Amazon S3,
Amazon SNS, Amazon SQS...
A Quick Review
• Make sure you have good
metrics/monitoring/logging tools in place
• Split tiers into individual services ...
Putting all this together
means we should now
easily be able to handle
10+ million users!
To infinity…..
User >10mil:
Iterating on top of the
patterns seen here will get
you up and over 100 million
users.
User >10mil:
• More fine tuning of your application
• More SOA of features/functionality
• Going from Multi-AZ to Multi-Re...
Next steps?
READ! –
• aws.amazon.com/documentation
• aws.amazon.com/architecture
• aws.amazon.com/start-ups
Next steps?
START USING AWS –
aws.amazon.com/free/
Next steps?
ASK FOR HELP!
• forums.aws.amazon.com
• aws.amazon.com/support
• Your Account Manager
• A Solutions Architect
THANKS
FOR
LISTENING!
Chris Munns - munns@amazon.com
Scaling on AWS for the First 10 Million Users
Scaling on AWS for the First 10 Million Users
Scaling on AWS for the First 10 Million Users
Scaling on AWS for the First 10 Million Users
Scaling on AWS for the First 10 Million Users
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Scaling on AWS for the First 10 Million Users

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Cloud computing gives you a number of advantages, such as being able to scale your application on demand. As a new business looking to use the cloud, you inevitably ask yourself, "Where do I start?" Join us in this session to understand best practices for scaling your resources from zero to millions of users. We will show you how to best combine different AWS services, make smarter decisions for architecting your application, and best practices for scaling your infrastructure in the cloud.

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Transcript of "Scaling on AWS for the First 10 Million Users"

  1. 1. © 2014 Amazon.com, Inc. and its affiliates. All rights reserved. May not be copied, modified, or distributed in whole or in part without the express consent of Amazon.com, Inc. Scaling on AWS for the First 10 Million Users Chris Munns, Solutions Architect July 10, 2014
  2. 2. Scaling on AWS for the First 10 Million Users • Me: – Chris Munns – munns@amazon.com • YOU: Here to learn more about scaling infrastructure on AWS • TODAY: about best practices and things to think about when building for large scale
  3. 3. So how do we scale?
  4. 4. a lot of things to read
  5. 5. a lot of things to read not where we want to start
  6. 6. us today
  7. 7. Auto-Scaling is a tool and a destination. It’s not the single thing that fixes everything.
  8. 8. What do we need first?
  9. 9. Some basics…
  10. 10. US-WEST (Oregon) EU-WEST (Ireland) ASIA PAC (Tokyo) US-WEST (N. California) SOUTH AMERICA (Sao Paulo) US-EAST (Virginia) AWS GovCloud (US) ASIA PAC (Sydney) Regions ASIA PAC (Singapore)
  11. 11. US-WEST (Oregon) EU-WEST (Ireland) ASIA PAC (Tokyo) US-WEST (N. California) SOUTH AMERICA (Sao Paulo) US-EAST (Virginia) AWS GovCloud (US) ASIA PAC (Sydney) Availability Zones ASIA PAC (Singapore)
  12. 12. Edge Locations
  13. 13. • $7B+ retail business • 8,000+ employees • A whole lot of servers Every day, AWS adds enough server capacity to power that entire $7B enterprise 2004 2014
  14. 14. Storage & Content Delivery AWS Global Infrastructure Database App Services Deployment & Management Compute & Networking Analytics
  15. 15. Storage & Content Delivery AWS Global Infrastructure Database App Services Deployment & Management Compute & Networking Analytics Amazon DynamoDB Amazon RDS Amazon ElastiCache Amazon RedShift AWS Storage Gateway Amazon S3 Amazon Glacier Amazon CloudFront Amazon CloudWatch AWS IAM AWS CloudFormation Amazon Elastic Beanstalk AWS OpsWorks AWS CloudTrail Amazon SQS Amazon Elastic Transcoder Amazon SNS Amazon SES Amazon CloudSearch Amazon SWF Amazon AppStream Amazon EC2 Amazon VPC Amazon Route 53 AWS Direct Connect Amazon WorkSpaces Amazon EMR Amazon Kinesis AWS Data Pipeline
  16. 16. So let’s start from day one, user one (you)
  17. 17. Day One, User One: • A single EC2 Instance – With full stack on this host • Web App • Database • Management • Etc. • A single Elastic IP • Route53 for DNS EC2 Instance Elastic IP Amazon Route 53 User
  18. 18. “We’re gonna need a bigger box” • Simplest approach • Can now leverage PIOPs • High I/O instances • High memory instances • High CPU instances • High storage instances • Easy to change instance sizes • Will hit an endpoint eventually c3.8xlarge m3.2xlarge t2.micro
  19. 19. “We’re gonna need a bigger box” • Simplest approach • Can now leverage PIOPs • High I/O instances • High memory instances • High CPU instances • High storage instances • Easy to change instance sizes • Will hit an endpoint eventually c3.8xlarge m3.2xlarge t2.micro
  20. 20. Day One, User One: • We could potentially get to a few hundred to a few thousand depending on application complexity and traffic • No failover • No redundancy • Too many eggs in one basket EC2 Instance Elastic IP Amazon Route 53 User
  21. 21. Day One, User One: • We could potentially get to a few hundred to a few thousand depending on application complexity and traffic • No failover • No redundancy • Too many eggs in one basket EC2 Instance Elastic IP Amazon Route 53 User
  22. 22. Day Two, User >1: First let’s separate out our single host into more than one. • Web • Database – Make use of a database service? Web Instance Database Instance Elastic IP Amazon Route 53 User
  23. 23. Self-Managed Fully-Managed Database Server on Amazon EC2 Your choice of database running on Amazon EC2 Bring Your Own License (BYOL) Amazon DynamoDB Managed NoSQL database service using SSD storage Seamless scalability Zero administration Amazon RDS Microsoft SQL, Oracle, MySQL or PostgreSQL as a managed service Flexible licensing BYOL or License Included Amazon Redshift Massively parallel, petabyte-scale, data warehouse service Fast, powerful and easy to scale Database Options
  24. 24. But how do I choose what DB technology I need? SQL? NoSQL?
  25. 25. Some folks won’t like this. But…
  26. 26. Start with SQL databases
  27. 27. Why start with SQL? • Established and well worn technology • Lots of existing code, communities, books, background, tools, etc • You aren’t going to break SQL DBs in your first 10 million users. No really, you won’t* • Clear patterns to scalability *Unless you are doing something SUPER weird with the data or MASSIVE amounts of it, even then SQL will have a place in your stack
  28. 28. AH HA! You said “massive amounts”, I will have massive amounts!
  29. 29. If your usage is such that you will be generating several TB ( >5 ) of data in the first year OR have an incredibly data intensive workload, then you might need NoSQL
  30. 30. Why else might you need NoSQL? • Super low latency applications • Metadata driven datasets • Highly non-relational data • Need schema-less data constructs* • Massive amounts of data (again, in the TB range) • Rapid ingest of data ( thousands of records/sec ) *Need != “it’s easier to do dev without schemas”
  31. 31. User >100: First let’s separate out our single host into more than one. • Web • Database – Use Amazon RDS to make your life easier Web Instance Elastic IP RDS DB Instance Amazon Route 53 User
  32. 32. User > 1000: Next let’s address our lack of failover and redundancy issues: • Elastic Load Balancer • Another Web Instance – In another Availability Zone • Enable RDS Multi-AZ Web Instance RDS DB Instance Active (Multi-AZ) Availability Zone Availability Zone Web Instance RDS DB Instance Standby (Multi-AZ) Elastic Load Balancer Amazon Route 53 User
  33. 33. • Create highly scalable applications • Distribute load across EC2 instances in multiple availability zones Feature Details Available Load balance across instances in multiple Availability Zones Health checks Automatically checks health of instances and takes them in or out of service Session stickiness Route requests to the same instance Secure sockets layer Supports SSL offload from web and application servers with flexible cipher support Monitoring Publishes metrics to CloudWatch and can get logs of requests processed Elastic Load Balancer Elastic Load Balancing
  34. 34. Scaling this horizontally and vertically will get us pretty far ( 10s-100s of thousands )
  35. 35. User >10ks-100ks: RDS DB Instance Active (Multi-AZ) Availability Zone Availability Zone RDS DB Instance Standby (Multi-AZ) Elastic Load Balancer RDS DB Instance Read Replica RDS DB Instance Read Replica RDS DB Instance Read Replica RDS DB Instance Read Replica Web Instance Web Instance Web Instance Web Instance Web Instance Web Instance Web Instance Web Instance Amazon Route 53 User
  36. 36. This will take us pretty far honestly, but we care about performance and efficiency, so let’s improve this further
  37. 37. Shift some load around: Let’s lighten the load on our web and database instances: • Move static content from the web instance to Amazon S3 and Amazon CloudFront • Move session/state and DB caching to Amazon ElastiCache or Amazon DynamoDB Web Instance RDS DB Instance Active (Multi-AZ) Availability Zone Elastic Load Balancer Amazon S3 Amazon Cloudfront Amazon Route 53 User ElastiCache DynamoDB
  38. 38. Working with Amazon S3 • Object based storage for the web • 11 9s of durability • Good for things like: – Static assets ( css, js, images, videos ) – Backups – Logs – Ingest of files for processing • “Infinitely scalable” • Supports fine grained permission control • Ties in well with CloudFront • Ties in with EMR • Acts as a logging endpoint for S3/CloudFront/Billing • Supports Encryption at transit and at rest • Reduced Redundancy 1/3 cheaper • Amazon Glacier for super long term storage
  39. 39. CloudFront Amazon CloudFront is a web service for scalable content delivery: • Cache static content at the edge for faster delivery • Helps lower load on origin infrastructure • Dynamic and static content • Streaming video • Zone apex support • Custom SSL certificates • Low TTLs (as short as 0 seconds) • Lower costs for origin fetches (between Amazon S3 / Amazon EC2 and CloudFront) • Optimized to work with Amazon EC2, Amazon S3, Elastic Load Balancing, and Amazon Route 53 ResponseTime ServerLoad ResponseTime Server Load ResponseTime Server Load No CDN CDN for Static Content CDN for Static & Dynamic Content 0 10 20 30 40 50 60 70 80 8:00 AM 9:00 AM 10:00 AM 11:00 AM 12:00 PM 1:00 PM 2:00 PM 3:00 PM 4:00 PM 5:00 PM 6:00 PM 7:00 PM 8:00 PM 9:00 PM VolumeofData Delivered(Gbps)
  40. 40. Shift some load around: Web Instance RDS DB Instance Active (Multi-AZ) Availability Zone Elastic Load Balancer Amazon S3 Amazon CloudFront Amazon Route 53 User ElastiCache DynamoDB Let’s lighten the load on our web and database instances: • Move static content from the web instance to Amazon S3 and Amazon CloudFront • Move session/state and DB caching to Amazon ElastiCache or Amazon DynamoDB
  41. 41. Shift some load around: Let’s lighten the load on our web and database instances: • Move static content from the web instance to Amazon S3 and Amazon CloudFront • Move dynamic content from the ELB to Amazon CloudFront • Move session/state and DB caching to ElastiCache or DynamoDB Web Instance RDS DB Instance Active (Multi-AZ) Availability Zone Elastic Load Balancer Amazon S3 Amazon Cloudfront Amazon Route 53 User ElastiCache DynamoDB
  42. 42. Amazon DynamoDB • Managed, provisioned throughput NoSQL database • Fast, predictable performance • Fully distributed, fault tolerant architecture • Considerations for non-uniform data Feature Details Provisioned throughput Dial up or down provisioned read/write capacity. Predictable performance Average single digit millisecond latencies from SSD-backed infrastructure. Strong consistency Be sure you are reading the most up to date values. Fault tolerant Data replicated across Availability Zones. Monitoring Integrated with Amazon CloudWatch. Secure Integrates with AWS Identity and Access Management (IAM). Amazon EMR Integrates with Amazon EMR for complex analytics on large datasets
  43. 43. Amazon ElastiCache • Hosted Memcached & Redis – Speaks same API as traditional open source Memcached and Redis • Scale from one to many nodes • Self healing ( replaces dead instance ) • Very fast ( single digit ms speeds usually (or less) ) • Local to a single AZ for Memcache, with no persistence or replication • With Redis can put a replica in a different AZ with persistence • Use AWS’s Auto Discovery client to simplify clusters growing and shrinking without affecting your application
  44. 44. Shift some load around: Web Instance RDS DB Instance Active (Multi-AZ) Availability Zone Elastic Load Balancer Amazon S3 Amazon Cloudfront Amazon Route 53 User ElastiCache DynamoDB Let’s lighten the load on our web and database instances: • Move static content from the web instance to Amazon S3 and Amazon CloudFront • Move dynamic content from the ELB to Amazon CloudFront • Move session/state and DB caching to ElastiCache or DynamoDB
  45. 45. Now that our Web tier is much more lightweight, we can revisit the beginning of our talk…
  46. 46. Auto-Scaling!
  47. 47. Automatic resizing of compute clusters based on demand Feature Details Control Define minimum and maximum instance pool sizes and when scaling and cool down occurs. Integrated to Amazon CloudWatch Use metrics gathered by CloudWatch to drive scaling. Instance types Run Auto Scaling for On-Demand and Spot Instances. Compatible with VPC. aws autoscaling create-auto-scaling-group --auto-scaling-group-name MyGroup --launch-configuration-name MyConfig --min-size 4 --max-size 200 --availability-zones us-west-2c Auto-Scaling Trigger auto-scaling policy Amazon CloudWatch
  48. 48. Sunday Monday Tuesday Wednesday Thursday Friday Saturday Typical weekly traffic to Amazon.com
  49. 49. Sunday Monday Tuesday Wednesday Thursday Friday Saturday Typical weekly traffic to Amazon.com Provisioned capacity
  50. 50. November traffic to Amazon.com November
  51. 51. November traffic to Amazon.com Provisioned capacity November
  52. 52. November traffic to Amazon.com 76% 24% Provisioned capacity November
  53. 53. November traffic to Amazon.com November
  54. 54. Auto Scaling lets you do this!
  55. 55. User >500k+: Availability Zone Amazon Route 53 User Amazon S3 Amazon Cloudfront Availability Zone Elastic Load Balancer DynamoDB RDS DB Instance Read Replica Web Instance Web Instance Web Instance ElastiCache RDS DB Instance Read Replica Web Instance Web Instance Web Instance ElastiCacheRDS DB Instance Standby (Multi-AZ) RDS DB Instance Active (Multi-AZ)
  56. 56. Use Tools: Managing your infrastructure will become an ever increasing important part of your time. Use tools to automate repetitive tasks. • Tools to manage AWS resources • Tools to manage software and configuration on your instances • Automated data analysis of logs and user actions
  57. 57. AWS Application Management Solutions Convenience Control Higher-level Services Do it yourself AWS Elastic Beanstalk AWS OpsWorks AWS CloudFormation Amazon EC2
  58. 58. Host Based Configuration Management Two big players: – Chef – PuppetLabs Puppet • Both do more or less the same thing • Both have syntax that isn’t too dissimilar • Use HBCM along side one of the tools from the previous slide • Spend the time required to learn them • Can’t scale easily without HBCM • Growing in popularity: Salt, Ansible
  59. 59. User >500k+: You’ll potentially start to run into issues with speed and performance of your applications. • Make sure you have monitoring/metrics/logging in place – If you can’t build it internally, outsource it! ( 3rd party SaaS ) • Pay attention to what customers are saying works well vs. what doesn’t, use this direction • Try to work on squeezing as much performance out of each service/component
  60. 60. HOST LEVEL METRICS AGGREGATE LEVEL METRICS LOG ANALYSIS EXTERNAL SITE PERFORMANCE
  61. 61. Not having proper monitoring/metrics is like flying a plane with an eye mask on in a thunderstorm. Oh and your wing is on fire.
  62. 62. AWS Marketplace & Partners Can Help • Customer can find, research, and buy software • Simple pricing, aligns with Amazon EC2 usage model • Launch in minutes • AWS Marketplace billing integrated into your AWS account • 1300+ products across 20+ categories Learn more at: aws.amazon.com/marketplace
  63. 63. There’s further improvements to be made in breaking apart our web/app layer
  64. 64. SOA = Service Oriented Architecture
  65. 65. SOA’ing Move services into their own tiers/modules. Treat each of these as 100% whole-y separate pieces of your infrastructure and scale them independently. Amazon.com and AWS do this extensively! It offers flexibility and greater understanding of each component.
  66. 66. Loose coupling sets you free! • The looser they're coupled, the bigger they scale – Independent components – Design everything as a black box – Decouple interactions – Favor services with built in redundancy and scalability than building your own Controller A Controller B Controller A Controller B Q Q Tight Coupling Use Amazon SQS as Buffers Loose Coupling
  67. 67. Loose coupling + SOA = winning DON’T REINVENT THE WHEEL Examples: • Email • Queuing • Transcoding • Search • Databases • Monitoring • Metrics • Logging Amazon CloudSearch Amazon SQSAmazon SNS Amazon Elastic Transcoder Amazon SWF Amazon SES In the early days, if someone has a service for it already, opt to use that instead of building it yourself.
  68. 68. On re-inventing the wheel: If you find yourself writing your own: queue, DNS server, database, storage system, monitoring tool
  69. 69. Take a deep breath and stop it. Now.
  70. 70. User >1mil+: Reaching a million and above is going to require some bit of all the previous things: • Multi-AZ • Elastic Load Balancer between tiers • Auto Scaling • Service oriented architecture • Serving content smartly (Amazon S3/CloudFront ) • Caching off DB • Moving state off tiers that auto-scale
  71. 71. User >1mil+: RDS DB Instance Active (Multi-AZ) Availability Zone Elastic Load Balancer RDS DB Instance Read Replica RDS DB Instance Read Replica Web Instance Web Instance Web Instance Web Instance Amazon Route 53 User Amazon S3 Amazon Cloudfront DynamoDB Amazon SQS ElastiCache Worker Instance Worker Instance Amazon CloudWatch Internal App Instance Internal App Instance Amazon SES
  72. 72. The next big steps
  73. 73. User >5mil – 10mil: You’ll potentially start to run into issues with your database around contention on the write master. How can you solve it? • Federation ~ splitting into multiple DBs based on function • Sharding ~ splitting one data set up across multiple hosts • Moving some functionality to other types of DBs ( NoSQL )
  74. 74. Database Federation • Split up Databases by function/purpose • Harder to do cross function queries • Essentially delaying the need for something like sharding/NoSQL until much further down the line • Won’t help with single huge functions/tables ForumsDB UsersDB ProductsDB
  75. 75. Sharded Horizontal Scaling • More complex at the application layer • ORM support can help • No practical limit on scalability • Operation complexity/sophistication • Shard by function or key space • RDBMS or NoSQL User ShardID 002345 A 002346 B 002347 C 002348 B 002349 A A B C
  76. 76. Shifting functionality to NoSQL • Similar in a sense to federation • Again, think about the earlier points for when you need NoSQL vs SQL • Leverage hosted services like DynamoDB • Some use cases: – Leaderboards/scoring – Rapid ingest of clickstream/log data – Temporary data needs ( cart data ) – “Hot” tables – Metadata/lookup tables DynamoDB
  77. 77. A Quick Review
  78. 78. A Quick Review • Multi-AZ your infrastructure • Make use of self scaling services - ELB, Amazon S3, Amazon SNS, Amazon SQS, Amazon SWF, Amazon SES, etc • Build in redundancy at every level. • Start SQL. Seriously. • Cache data both inside and outside your infrastructure • Use automation tools in your infrastructure
  79. 79. A Quick Review • Make sure you have good metrics/monitoring/logging tools in place • Split tiers into individual services ( SOA ) • Use Auto Scaling once you’re ready for it • Don’t reinvent the wheel • Move to NoSQL if/when it makes sense
  80. 80. Putting all this together means we should now easily be able to handle 10+ million users!
  81. 81. To infinity…..
  82. 82. User >10mil: Iterating on top of the patterns seen here will get you up and over 100 million users.
  83. 83. User >10mil: • More fine tuning of your application • More SOA of features/functionality • Going from Multi-AZ to Multi-Region • Needing to start potentially building custom solutions • Deep analysis of your whole stack
  84. 84. Next steps? READ! – • aws.amazon.com/documentation • aws.amazon.com/architecture • aws.amazon.com/start-ups
  85. 85. Next steps? START USING AWS – aws.amazon.com/free/
  86. 86. Next steps? ASK FOR HELP! • forums.aws.amazon.com • aws.amazon.com/support • Your Account Manager • A Solutions Architect
  87. 87. THANKS FOR LISTENING! Chris Munns - munns@amazon.com
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