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"How to handle cloud failure" presentation slides. TechCamp #1 - Kraków 02.12.2011.
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Grzegorz Kochan | [email protected]
1,5 bilion widget pageviews monthly
100 000 ad clicks daily
35 thousand registered publishers
15 thousand advertisers
over 1500 requests per second
over 150 mbit data per second
on Amazon AWSAdTaily
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Grzegorz Kochan | [email protected]
why?Startup in the cloud
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Scalability
PricingAvailability
Simplicity
API
Grzegorz Kochan | [email protected]
can go wrongBut things
“Amazon EC2 goes down, taking with it Reddit, Foursquare and Quora” - April 2011
„Down Goes The Internet… Again. Amazon EC2 Outage Takes Down Foursquare, Instagram, Quora, Reddit, Etc” - August 2011
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Tech
Cru
nch
Grzegorz Kochan | [email protected]
Geographical mapAmazon AWS
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Availability Zones:
eu-west-1beu-west-1beu-west-1c
EU Ireland
Availability Zones:ap-southeast-1aap-southeast-1b
Asia Pacific: Singapore
Availability Zones:
us-west-1aus-west-1bus-west-1c
US - Oregon
Availability Zones:
us-west-2aus-west-2b
US - N. California
Availability Zones:
ap-southeast-1aap-southeast-1b
Asia Pacific: Tokyo
Availability Zones:
us-east-1aus-east-1bus-east-1cus-east-1d
US - Virginia
Grzegorz Kochan | [email protected]
duplicate and balanceReplicate,
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Availability Zoneus-east-1aSingle server
setup
Multi serversetup
Grzegorz Kochan | [email protected]
multi A-Zone architectureDistribute
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Availability Zoneus-east-1a
Availability Zoneus-east-1b
Grzegorz Kochan | [email protected]
multi Region architectureDistribute more
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US East Region US West Region
Grzegorz Kochan | [email protected]
application decouplingDesign for failure
Stateless services
Gracefull degradation
Die fast and alone
Auto recover
Backup and scale independently
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Grzegorz Kochan | [email protected]
exampleDecoupling
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- shopping cart- process orders- process payments- generate invoices- send emails
EcommerceApplication
Product Catalog
Order Processor
Payment Processor
Invoice generator
Email Sender
...
Messaging (SQ
S)Monitoring & Alerting (CloudWatch & SNS)
#2
#2
#4
#3
#3
#5
#2
#2
#2
AutoScaling
#3#2
Grzegorz Kochan | [email protected]
everythingAutomate
Infrastructure - custom AMIs, Chef, Puppet
Monitoring - CloudWatch
Scaling and recoverying - AutoScaling
Fail and recover constantly - ChaosMonkeyby NetFlix
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Grzegorz Kochan | [email protected]
Questions?
Grzegorz KochanCTO & VP of Products w AdTailyemail: [email protected]/adtaily
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http://adtai.ly/TechCamp1
