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Azure NUS ACM talk 2 - Scaling your Webapp on A...
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laurenceputra
September 22, 2012
Technology
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110
Azure NUS ACM talk 2 - Scaling your Webapp on Azure
By Ruiwen and Laurence
laurenceputra
September 22, 2012
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Transcript
WINDOWS AZURE SCALING YOUR APPS HOW TO GET STARTED, AND
WHAT YOU NEED TO GET GOING by & Laurence Putra Chua Ruiwen
WHAT THIS TALK IS NOT A guide to using x,
y, or z web development framework. OR A 100% sure fire way to scale
BUT RATHER some of the best practices As well as
tools that you will find helpful in your app.
QUICK POLL HOW MANY OF YOU ... 1. ... run
your own servers? 2. ... runs a website of some sort? 3. ... understands distributed systems? 4. ... has done sysadmin stuff before?
WHAT DO YOU GUYS WHAT TO HEAR ABOUT?
CLOUDFLARE Provides you with DNS layer caching
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WHY USE IT?
DEMO
MONGODB Why MongoDB? 1. It's AWESOME 2. It's FLEXIBLE 3.
It's FAST
And it’s really easy to do all those hardcore DevOps
stuff that you’ve been hearing about. Stuff like High Availability, Sharding, and Backups ...
... Add in the fact that you can add in
new fields any time. Fast ...
... and backup your ENTIRE database without facing performance issues
WHO USES MONGODB Craigslist, SAP, Codecademy, Disney, IGN, EA, Guardian,
Business Insider, Forbes, New York Times, CNN, Trello, bit.ly, Eventbrite, Foursquare, College Humor, Justin.tv, Grooveshark, about.me...
KEY CONCEPTS
SHARDING
HOW IT IS DONE? Spiltiing data into logical chunks based
on a predefined shard key
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REPLICATION “Replication in computing involves sharing information so as to
ensure consistency between redundant resources, such as software or hardware components, to improve reliability, fault-tolerance, or accessibility. - Wikipedia”
HUMAN SPEAK “Storing your data multiple times in multiple locations
and praying hard that all of them do not die at the same time.”
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Reads on any of the nodes Writes only on master
node Eventually correct data
MERGING THE 2
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DEMO I am going to take a live production server
down Really Geekcamp.SG's server
SETTING UP MONGODB MongoDB website
MIXPANEL Awesome Analytics site. Allows you to see ALL your
stats in real-time
USING IT As simple as m i x p a
n e l . t r a c k ( " B u t t o n c l i c k e d " ) ;
DEMO
HOW DOES IT ALL COME TOGETHER?
DEMO GEEKCAMP.SG'S CODE Github link
SELF INFLICTED PAIN
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NETFLIX SIMIAN ARMY Chaos Monkey Latency Monkey Conformity Monkey Doctor
Monkey Janitor Monkey Security Monkey Chaos Gorilla
CHAOS MONKEY Shuts down instances randomly Allows the team to
learn about weaknesses in the system Gets the team to build auto recovery systems
LATENCY MONKEY Introduces artificial delays in api client-server communication layer
Simulates server degradation Useful for testing fault tolerance of new services
CONFORMITY MONKEY Shuts down servers that don’t adhere to best
practices Forces the service owner to relaunch them properly
DOCTOR MONKEY Runs checks on health of servers Remove unhealthy
servers from service and alerts service owner
SECURITY MONKEY Scans for security violations or vulnerabilities Ensures that
SSL and DRM certs are not expiring
CHAOS GORILLA Shuts down all instances within an availability zone
Talk about overkill
BEST PART IS SIMIAN ARMY IS ENTIRELY OPEN SOURCE Github
link here!
NEW RELIC
THE END QUESTIONS?
None