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Glue 2015: Microservices - More than just a buz...
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John Sheehan
May 21, 2015
Technology
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Glue 2015: Microservices - More than just a buzzword.
John Sheehan
May 21, 2015
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Transcript
Microservices: Blah, blah, blah... John Sheehan Co-founder, CEO @Runscope
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API Performance Monitoring
40,000+ developers use Runscope
MICROSERVICES "Simultaneously existing on all points in the hype lifecycle."
Glue 2014: 0 Glue 2015: 12!
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"Microservices is just SOA."
Some of what's new in software development since SOA was
cool: Node.js DevOps Docker AWS GitHub JSON APIs NoSQL Go Stack Overflow Hadoop jQuery CI/CD
MICROSERVICES = SOA 2.0 + DevOps
MICROSERVICE ARCHITECTURE (MSA) A style of service-oriented architecture that emphasizes
decentralization and deliverability. MICROSERVICE Self-contained service with single “job to be done” and exposed via an API. The atomic unit of an MSA.
We are not Netflix
MICROSERVICES at Runscope
2 YEARS AGO 3 internal services 5 people shipping code
TODAY 60+ internal services 11 people shipping code
MICROSERVICES LESSONS LEARNED
Invest in Infrastructure MICROSERVICE LESSON LEARNED
7,789 Deployments in 2014 50+ Per work day
If you don't invest in INFRASTRUCTURE don't invest in MICROSERVICES
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Pick Right Stack for Each Service MICROSERVICE LESSON LEARNED
Don't Share Datastores Between Services MICROSERVICE LESSON LEARNED
Embrace the Network! MICROSERVICE LESSON LEARNED
Failure is not an Exception MICROSERVICE LESSON LEARNED
Isolate Breakage MICROSERVICE LESSON LEARNED
Pick a Uniform Interface MICROSERVICE LESSON LEARNED
Build Client Tools MICROSERVICE LESSON LEARNED
• Service discovery • service://identity/... • Retry failed GETs •
Run HTTP requests asynchronously • Log with Runscope Traffic Inspector Smart Client
Make it Easy to Create New Services MICROSERVICE LESSON LEARNED
Built-in healthcheck/heartbeat endpoints Automatic, realm-aware service registry Common logging and
metrics framework Simplified dependency management Smart Service
Test Across Teams at Service Boundaries MICROSERVICE LESSON LEARNED
Monitor Everything MICROSERVICE LESSON LEARNED
✓ Availability ✓ Performance ✓ Correctness Any Public or Private
API API Testing & Monitoring
We’re hiring!