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NEXT LEVEL: DEVOPS Developer Conference - November 7th - Hamburg
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! @CodeStars! github.com/nesQuick! codestars.eu OLE MICHAELIS
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! @CodeStars! github.com/nesQuick! codestars.eu OLE MICHAELIS
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! @CodeStars! github.com/nesQuick! codestars.eu OLE MICHAELIS
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I ALWAYS WANTED TO USE THIS
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ANYWAY! WHAT ABOUT YOU?
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MY DEVOPS STORY
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“Open Source Rockstar” WORKING @JIMDO
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WHY IS IT GOOD?
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WHY IS IT GOOD? dedicated technical-debt team
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WHY IS IT GOOD? dedicated technical-debt team making others faster
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WHY IS IT GOOD? dedicated technical-debt team making others faster cross-functional
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WHY IS IT GOOD? dedicated technical-debt team making others faster cross-functional full-stack engineering
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LET’S TRY TO DEFINE DEVOPS
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YOU BUILD IT, YOU RUN IT! “The DevOps prime directive”
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ANTI-PATTERNS “You are doing it wrong!” NO! BECAUSE NO http://i.huffpost.com/gen/1143905/original.jpg
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ANTI-ANTI-PATTERNS “Ahhh... better!”
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BECOME A DEVOPS
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EXTEND YOUR DEV SKILLS
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you must walk through hell! tests, tests, tests (BDD, Integration tests)! branch by abstraction REFACTORING
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OPEN SOURCE working with upstream! do not patch the framework! join the community & gather credits
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KNOW THE PITFALLS wrong expectations! “hipster” technologies! 2nd system effect
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GATHER OPS KNOWLEDGE
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THE 4 BOTTLENECKS
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1ns
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L1 CACHE REFERENCE 1ns
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L2 CACHE REFERENCE 1ns
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1ns MUTEX LOCK/UNLOCK
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1ns MAIN MEMORY REF.
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1ns MAIN MEMORY REF.
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1ns 100ns ~ 0.1μs MAIN MEMORY REF.
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1ns 100ns ~ 0.1μs MAIN MEMORY REF.
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1ns 100ns ~ 0.1μs SEND 2KB OVER COMMODITY NETWORK
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1ns 100ns ~ 0.1μs COMPRESS 1KB/W ZIPPY
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1ns 100ns ~ 0.1μs
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1ns 100ns ~ 0.1μs
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1ns 100ns ~ 0.1μs 10,000ns ~ 10μs
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1ns 100ns ~ 0.1μs 10,000ns ~ 10μs
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1ns 100ns ~ 0.1μs 10,000ns ~ 10μs READ 1MB SEQ. FROM MEMORY
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1ns 100ns ~ 0.1μs 10,000ns ~ 10μs READ 1MB SEQ. FROM SSD
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1ns 100ns ~ 0.1μs 10,000ns ~ 10μs ROUND TRIP IN SAME DATACENTER
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1ns 100ns ~ 0.1μs 10,000ns ~ 10μs
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1ns 100ns ~ 0.1μs 10,000ns ~ 10μs
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1ns 100ns ~ 0.1μs 10,000ns ~ 10μs 1,000,000ns ~ 1ms
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1ns 100ns ~ 0.1μs 10,000ns ~ 10μs 1,000,000ns ~ 1ms
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1ns 100ns ~ 0.1μs 10,000ns ~ 10μs 1,000,000ns ~ 1ms READ 1MB SEQ. FROM DISK
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1ns 100ns ~ 0.1μs 10,000ns ~ 10μs 1,000,000ns ~ 1ms DISK SEEK
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1ns 100ns ~ 0.1μs 10,000ns ~ 10μs 1,000,000ns ~ 1ms PACKET ROUNDTRIP CA TO NETHERLANDS
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http://www.eecs.berkeley.edu/~rcs/research/ interactive_latency.html
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BEING ON-CALL keep calm!! important things first! first in, first out, but...
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TOPICS YOU MIGHT CARE ABOUT
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* AS A SERVICE
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DEPLOYMENT
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CONTINUOUS DELIVERY Ship when it’s done!
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CONTINUOUS DEPLOYMENT Shipin’ all the time!
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PULL DEPLOY Stop pushing, start pulling!
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STRATEGIES
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ONE, SOME, MANY
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ONE, SOME, MANY
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ONE, SOME, MANY
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ONE, SOME, MANY
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GREEN / BLUE
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METRICS
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SYSTEM VS. APPLICATION
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WHAT TO MEASURE?
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WHAT TO MEASURE? requests
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WHAT TO MEASURE? requests querys
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WHAT TO MEASURE? requests querys exceptions
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WHAT TO MEASURE? requests querys exceptions connections
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WHAT TO MEASURE? requests querys exceptions connections user
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WHAT TO MEASURE?
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MEASURE WHATEVER MAKES FUCKING SENSE!
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VISUALIZE IT!
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VISUALIZE IT! #M ONITORINGLOVE
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AUTOMATION
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SCALE
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TOOLS LOVE
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DATABASES
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PROGRAMMING LANGUAGES
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3RD-PARTY TOOLS
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QUEUES
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FAILURE IS GOOD
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BE AGILE
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FEEDBACK
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METHODS
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KEEP LEARNING
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THANK YOU! @CodeStars
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! ! http://nikic.github.io/2011/12/27/Dont-be-STUPID-GRASP-SOLID.html! http://en.wikipedia.org/wiki/SOLID_(object-oriented_design)! http://www.shutterstock.com! http://icomoon.io/app/! http://apievangelist.com/2012/01/12/the-secret-to-amazons-success-internal-apis/! http://en.wikipedia.org/wiki/Structural_pattern! http://en.wikipedia.org/wiki/Creational_pattern! http://en.wikipedia.org/wiki/Behavioral_pattern! http://www.eecs.berkeley.edu/~rcs/research/interactive_latency.html! http://bfwa.com/pitfalls/! http://farm9.staticflickr.com/8491/8344781525_5787255ec2_z.jpg! http://docs.hostedgraphite.com/_images/sample_dashboard_conc_users_advanced.png! http://oss.oetiker.ch/rrdtool/gallery/btdmd8.png! http://www.wadsam.com/wp-content/uploads/2012/11/stock-exchagne.jpeg! http://s3.amazonaws.com/crunchbase_prod_assets/assets/images/original/0018/2843/182843v2.png! http://2.bp.blogspot.com/-t2FW5rx_yn0/TxVwhmqAXgI/AAAAAAAAA7s/DSdFmMZ5ecM/s1600/trading-floor.jpg! http://en.wikipedia.org/wiki/Mutual_exclusion! Thanks to all the people helped me so much! Elena ! Ingo! Nils! Nadja! Fridel! Spring! Jimdo!! Sources: