Section 01

Service Boundaries & Microservices

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The Monolith's Reporting Module

Medium
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Shared Database Coupling

Medium
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Too Many Tiny Services

Hard
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Synchronous Dependency Chain

Hard
Section 02

Consistency & Distributed Data

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Profile Update Looks Old

Medium
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Two Regions Edit the Same Record

Medium
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Availability or Strong Consistency

Hard
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Materialized View Is Behind

Hard
Section 03

Reliability Patterns

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Recommendation Takes Down Product Page

Hard
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Retry Storm

Hard
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One Pool Consumes Everything

Hard
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Recover Without a Herd

Hard