Se7en Deployment Sins Philipp Krenn @xeraa
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Developer Advocate
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Gluttony is the overindulgence and overconsumption of anything to the point of waste.
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Memory PermGen Space / Metaspace
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JAR / WAR Disk and network
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Diet aws-java-sdk-1.8.12.jar 12.9 M aws-java-sdk-1.11.335.jar 3.4 K
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people arguing against fat JARs (only ship the business logic), but perfectly ! ne with containers - shipping even the JVM ! #RigaDevDays — https://twitter.com/xeraa/status/864122131768119296
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640K ought to be enough for anybody
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Microservices Nano, Pico, Femto, Atto, Yocto
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Don’t forget - having legacy software is often a sign of success. Your business was successful to last long enough for your software to become legacy. — https://twitter.com/samnewman/status/ 929622273065136130
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Yes, it helps if too many people too many dependencies not scalable
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Will this solve all your problems?
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Sun Microsystems 8 fallacies of distributed computing
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Jeff Hodges Notes on Distributed Systems for Young Bloods https://www.somethingsimilar.com/2013/01/14/notes- on-distributed-systems-for-young-bloods/
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The Five Nines Is it resilient? Nein. Is it available? Nein. Is it scalable? Nein. Is it reliable? Nein. Does it work? Nein. — https://twitter.com/marcvolovic/status/ 898022815668088832
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At this point it would be easier if you told us when it DID work. — https://twitter.com/honest_update/status/ 930128629677416450
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SOA done right?
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SOAP: Simple Object Access Protocol. Except it's not Simple, it's Complicated. And it's not about Objects, it's about RPC. So really: CRAP — https://twitter.com/joewalnes/status/563691487586549761
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We replaced our monolith with micro services so that every outage could be more like a murder mystery. — https://twitter.com/honest_update/status/ 651897353889259520
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Here's a diagram of two microservices and their shared database. — https://twitter.com/mathiasverraes/status/ 711168935798902785
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OH: "replace your shared monolithic DB with a shared monolithic stream store" — https://twitter.com/ntcoding/status/928902644764200960
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...don’t even consider microservices unless you have a system that’s too complex to manage as a monolith. The majority of software systems should be built as a single monolithic application.
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Do pay attention to good modularity within that monolith, but don’t try to separate it into separate services. — http://martinfowler.com/bliki/MicroservicePremium.html
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https://twitter.com/simonbrown/status/847339104874381312
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The #microservices bandwagon exists because the name is cool. Monoliths just need marketing help… #MegaPlatform #UberContainer #StereoLith — https://twitter.com/sjmaple/status/724541627407147008
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#Serverfull
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A word of the week: Microlith - a huge enterprise app ported to one, fat Docker container. #MicroserviceJokes — https://twitter.com/rmehmandarov/status/ 865542627004788737
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If you want to implement microservices, the 1st thing you need to do is implement aggregated logging. The 2nd is implement correlation IDs — https://twitter.com/samnewman/status/ 862255875125366786
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Microservices can help large number of people go faster by allowing more autonomy. I remain to be convinced it does the same for small teams — https://twitter.com/samnewman/status/ 778118760226062336
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Repeat after me I'm not Facebook, Google, or Amazon
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Greed is applied to a very excessive or rapacious desire and pursuit of material possessions.
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Sloth is sometimes defined as physical laziness, but spiritual laziness is emphasized.
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Continuous life or death cycle?
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Continuous Integration CI Build and test every push
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Continuous Delivery CD Manual production deployment
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Continuous Deployment CD Automated production deployment
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https://twitter.com/allspaw/status/925490726468771840
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Facebook switched to Continuous Delivery / Deployment in 04/2017 https://code.facebook.com/posts/270314900139291/ rapid-release-at-massive-scale/
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DDD (Russian: Davai Davai Deploy) - Just deploy this sh*t already. Come on! — https://twitter.com/Steve_Jules/status/ 862247438551265280
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https://twitter.com/ericqweinstein/status/529319496029589504
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Separate code and config
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Do not commit secrets HashiCorp Vault Ansible Vault ...
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Lust is an intense and uncontrolled desire.
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Always use the hottest !
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Docker: each docker container should just run one process Me: but your containers are 700+MB each Docker: you see why our mascot is a whale — https://twitter.com/classam/status/743333692462895104
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https://turnoff.us/geek/before-devops- after-devops/
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"A container is just a process"
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containers will not ! x your broken architecture you are welcome — https://twitter.com/littleidea/status/659445920954642432
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so.. using GlibC? How’s re-imaging all of your @Docker images going? — https://twitter.com/starbuxman/status/ 700591322177019904
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You gotta love the docker-compose command line: docker-compose down -v Removes all volumes docker-compose -v down Prints the version of docker-compose — https://twitter.com/fhopf/status/971910920522760192
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New dependencies of your artifacts JVM and base image
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Containerizing legacy applications
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Microservices + containers Cargo cult
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cargo culting comes from received but not integrated knowledge.because one doesn't grasp how a thing works, one simply goes through the motion of how one was told to do it. — https://twitter.com/GeePawHill/status/ 931941663886454784
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If you are only picking Kubernetes because that's the way Google does it, then you should also consider writing your own ! lesystems. — https://twitter.com/kelseyhightower/status/ 741310392756887552
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Siri, mute every person who told me to use docker instead of helping me solve my actual problem, as if I didn't understand my question. — https://twitter.com/aphyr/status/730571211864858624
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We've been so beaten into thinking we need to care about the speed-of- delivery with containers, we lost focus somewhere on prod reliability — https://twitter.com/danveloper/status/858372256174669824
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What's wrong here? For a stateful production service $ docker run -p 9200:9200 -p 9300:9300 -e "http.host=0.0.0.0" -e "transport.host=0.0.0.0" -e "discovery.zen.ping.unicast.hosts=..." docker.elastic.co/elasticsearch/elasticsearch
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Zombies ideas that should have been killed by evidence, but keep shambling along
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Run Elasticsearch as root
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Cockroaches claims that disappear for a while when proved wrong, but just keep on coming back
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Make JAR not WAR
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One more thing Serverless
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Serverless
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Yesterday I have bird and bee discussion with junior devops for make realize cloud instance is born of real hardware. — https://twitter.com/DEVOPS_BORAT/status/ 289777231683788801
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I felt a great disturbance in the cloud, as if millions of microservices suddenly cried out in terror, and were suddenly serverless. — https://twitter.com/kennybastani/status/ 858021145890762755
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2016: Serverless Architecture 2017: Codeless Architecture 2018: Architectureless Architecture — https://twitter.com/benbjohnson/status/ 746049032699600897
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by 2025, 30% of net new technical debt will be serverless — https://twitter.com/mstine/status/972207185005633536
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PaaS reborn?
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If your PaaS can e ! ciently start instances in 20ms that run for half a second, then call it serverless. — https://twitter.com/adrianco/status/736553530689998848
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Pride is identified as believing that one is essentially better than others.
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DevOps is not a technology
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To make error is human. To propagate error to all server in automatic way is #devops. — https://twitter.com/DEVOPS_BORAT/status/ 41587168870797312
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Envy is the discontent towards someone's traits, status, abilities, or rewards.
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Craft everything yourself!
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Example: Java https://start.spring.io
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"Nobody uses Maven. Maven uses you" @venkat_s at #Devoxx — https://twitter.com/mariofusco/status/ 927899858056425472
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Infrastructure Pets vs Cattle
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All my servers are cattle ... except for the redis instance. That one gets health care and Christmas gifts. — https://twitter.com/ajordens/status/801847570259509248
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Ansible Puppet Chef Terraform
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Avoid Drift
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I like the "ssh tags the instance for garbage collection" model as a step; it lets you migrate a team to new habits. — https://twitter.com/ferlatte/status/905984786082050048
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Wrath also known as "rage", may be described as inordinate and uncontrolled feelings of hatred and anger.
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Log & Monitor
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Conclusion
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A good developer is like a werewolf: Afraid of silver bullets. — https://twitter.com/codepitbull/status/ 784691906005635072
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OH: “their infra is 50 shades of broken and they’re now setting up their own frankenetes cluster hoping it’ll ! x everything” ! " — https://twitter.com/copyconstruct/status/ 935317466573504512
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https://youtu.be/zoGyuiyCUAQ
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Questions? Confessions? @xeraa
