Post on 07-Sep-2020
Serverless First
Martin Andersen | devdays.lt | 24th May, 2018
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Martin AndersenVP of Engineering @ Trustpilot
@mufazadk
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Agenda
- What is serverless?
- Engineering Principles
- Serverless First
- Serverless examples
- Future of Serverless (@Trustpilot)
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What is Serverless?
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What is Serverless?
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What is Serverless?
-
http://alexander.holbreich.org/serverless-manifesto/
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Lambdas are almost always cheaper
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FaaSBaaS
DBaaS
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If serverless is not available or practical, containers are recommended.Virtual servers (EC2) are considered legacy and should be avoided.
Serverless First
v0.1.0
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If serverless is not available or practical, containers are recommended.Virtual servers (EC2) are considered legacy and should be avoided.
We do this because we strongly believe that serverless (FaaS, BaaS, DBaaS) is the future of the cloud and we’d like to be on the forefront of that movement. Serverless
might not necessarily be the right choice for everything today, but start your architecture discussions there. We’re in the process of fading out virtual servers (EC2) and want to avoid creating new ones. The benefits of serverless and containers over virtual servers are diverse: cost savings, better scaling, better orchestration, reduction of operational
costs and modernizing our cloud stack.
Serverless First
v1.0.0
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# of Services - by type ‘16 to ‘18
Ser l Fir
p i c
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Hold on?
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EC2 GTFO
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# of Services - by type ‘16 to ‘18
.NE or
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Serverless stuff, that went well
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GitHub -> SNS
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#tech-naming-things
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Cake alert!
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Serverless stuff, that went less
well
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DynamoDB scaling
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Serverless APIs
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Lambda + API Gateway increased latency
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Public APIs can make usvulnerable to DDOS
- Bad guys could potentially kill our Lambda infrastructure
by exhausting invocation limits
- API Gateway supports rate limiting at the gateway level.
This is a must.
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Learnings for us
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Learnings
+ Event-based processing
+ Triggers (S3, IoT, DynamoDB, etc)
+ APIs
- High loads
- Data synchronization (streaming)
- APIs (with low latency requirements)
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Convenience is key
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Future of Serverless
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Future of Serverless
“We believe that Serverless is the natural evolution ofcloud computing and will dominate it by 2020.”
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Future of Serverless
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