Microservices at the Heart of BBC iPlayer Cem Staveley Software - - PowerPoint PPT Presentation

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Microservices at the Heart of BBC iPlayer Cem Staveley Software - - PowerPoint PPT Presentation

Nov 17, 2023 181 likes •869 views

Microservices at the Heart of BBC iPlayer Cem Staveley Software Engineer, BBC October 2nd 2014 [17:23] RobinM Our live boxes seem to be struggling to work through requests [17:23] RobinM Restarts not helping [17:24] RobinM Were

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Microservices at the Heart of BBC iPlayer

Cem Staveley

Software Engineer, BBC

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October 2nd

2014

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[17:23] RobinM Our live boxes seem to be struggling to work through requests [17:23] RobinM Restarts not helping [17:24] RobinM We’re scaling up the number of instances now in case it’s a load issue

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5 hours

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iBL Metadata API Web TV Mobile

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Fast Resilient Scalable

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Fast Resilient Scalable

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Unbalanced Capacities

1-5 second response times Dependency on HTTP caching

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Re-Architect

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6,500 episodes 1,200 programmes 30 days of availability

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What went right

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5 seconds ~10 milliseconds

Before After

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Independently Deployable Independently Scalable Independently Failable

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Team Workflow

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TDD Pairing

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What went wrong

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Unnecessary services

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Distributed Monolith

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What went right

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No more single point of failure

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Formalised Data Model

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Independently Deployable Independently Scalable Independently Failable

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Consumer Contracts

bbc/consumer-contracts

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Yeoman

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Shared HTTP Cache

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bbc/flashheart

Caching Logging Stats Circuit Breaking Rate Limiting

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StatsD Graphite Grafana

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Seyren

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What went wrong

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HTTPS and Keep-Alive

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Deleted the database too early Whoops!

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Where we are now

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Varnish StatsD CollectD

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Thank You

Cem.Staveley@bbc.co.uk