Section 01
Servers & Compute
0 / 4
Vertical vs. horizontal scaling
Headroom and compute sizing
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Campaign Capacity
Medium
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CPU-bound vs. memory-bound workloads
Concurrency and Little's Law
Available
CPU Isn't the Problem
Hard
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Workload isolation
Dedicated compute pools
Available
Background Jobs Are Starving the API
Medium
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Baseline vs. peak provisioning
Capacity economics
Available
Burst Without Waste
Medium
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Section 02
Load Balancers & Traffic Routing
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Weighted / capacity-aware routing
Round Robin's blind spot
Available
Uneven Fleet
Medium
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Health checks
Failover
Available
The Dead Server Still Gets Traffic
Medium
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Least-connections routing
Request count vs. actual work
Available
Long Requests Break Round Robin
Medium
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Path-based (Layer 7) routing
Per-route capacity planning
Available
Route by Workload
Hard
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Section 03
Application State & Sessions
0 / 4
Local state vs. shared state
Session affinity
Available
Users Keep Getting Logged Out
Medium
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Sticky-session limitations
Durable vs. routing-only state
Available
Sticky Sessions Under Failure
Medium
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Premium
The Growing Session Store
Hard
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Stateful WebSocket Gateways
Hard