Apache Kafka Tutorial 0/111 lessons ~6 min read Lesson 94
Kafka System Design
What is Kafka System Design?
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Focus
8 guided sections
Practice signal
Examples included
Career prep
Foundation builder
Introduction
What is Kafka System Design? Sizing, keys, retention, failure diagrams for interviews.
Understanding the topic
What happens — Kafka System Design:
- Sizing, keys, retention, failure diagrams for interviews
- Sizing, keys, retention, failure diagrams for interviews.
- Govern schemas and ownership.
- Measure lag, cost, and SLOs.
| Term | Description |
|---|---|
| Kafka | Sizing, keys, retention, failure diagrams for interviews |
| Ownership | Team responsible for topic SLO. |
| SLO | Lag, availability, durability targets. |
| Runbook | Steps for common incidents. |
Visual explanation
Pipeline view:
text
Requirements → keys → partitions → capacity → ops
Step-by-step explanation
- Assess — Current pain and requirements.
- Design — Architecture and contracts.
- Implement — Platform guardrails.
- Operate — Monitor and iterate.
Execution workflow
1Kafka System Design workflow
1 / 4Assess
Current pain and requirements.
Best practices
- Simulate consumer outage vs retention.
- Phase rollout from MVP topic.
Common mistakes
- Cross-AZ traffic cost ignored.
- Hot keys on one partition.
Summary
Kafka System Design — Back-of-envelope: peak MB/s × RF × retention = storage.
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