System Design
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System Design
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Dashboard
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Design Practice
Progress
Overall progress
21.6%
22 completed
79 remaining
All 14 phases · 102 topics
Phase 1: Foundations
8/8 complete
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1. What is System Design?
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2. Functional vs Non-Functional Requirements
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3. Scalability
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4. Performance vs Scalability
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5. Latency vs Throughput
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6. Back-of-the-Envelope Calculations
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7. Vertical Scaling
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8. Horizontal Scaling
Phase 2: Networking Basics
7/7 complete
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9. DNS
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10. HTTP
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11. TCP
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12. UDP
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13. REST APIs
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14. RPC / gRPC
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15. GraphQL
Phase 3: Distributed Systems Fundamentals
7/10 complete
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15. Availability
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16. Fault Tolerance
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17. CAP Theorem
High priority
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18. Strong Consistency
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19. Eventual Consistency
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20. Weak Consistency
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21. Replication
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22. Master-Slave Replication
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23. Master-Master Replication
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24. Availability in Numbers (Nines)
Phase 4: Traffic Distribution
0/6 complete
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24. Load Balancers
High priority
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25. Layer 4 Load Balancing
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26. Layer 7 Load Balancing
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27. Reverse Proxy
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28. CDN
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29. Push vs Pull CDNs
Phase 5: Databases
0/9 complete
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29. SQL Databases
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30. ACID
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31. NoSQL Databases
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32. BASE
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33. SQL vs NoSQL
High priority
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34. Key-Value Databases
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35. Document Databases
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36. Wide Column Databases
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37. Graph Databases
Phase 6: Database Scaling
0/6 complete
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38. Database Indexing
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39. SQL Tuning
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40. Denormalization
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41. Federation
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42. Sharding
High priority
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43. Consistent Hashing
High priority
Phase 7: Caching
0/11 complete
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44. Why Caching Exists
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45. Client Caching
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46. CDN Caching
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47. Database Caching
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48. Application Caching
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49. Redis Fundamentals
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50. Memcached Fundamentals
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51. Cache-Aside
High priority
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52. Write-Through
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53. Write-Behind
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54. Refresh-Ahead
Phase 8: Async Systems
0/7 complete
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55. Synchronous vs Asynchronous Processing
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56. Message Queues
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57. Task Queues
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58. Pub/Sub
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59. Kafka Fundamentals
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60. Back Pressure
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61. Idempotency
Phase 9: Application Architecture
0/8 complete
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61. Monoliths
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62. Microservices
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63. Service Discovery
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64. API Gateway
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65. Stateless Services
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66. Service-to-Service Communication
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67. CQRS
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68. Event Sourcing
Phase 10: Reliability
0/10 complete
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67. High Availability
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68. Failover
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69. Disaster Recovery
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70. Health Checks
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71. Circuit Breakers
High priority
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72. Rate Limiting
High priority
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73. Distributed Locks
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74. Bulkhead
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75. Saga / Compensating Transactions
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76. Performance Antipatterns
Phase 11: Storage Systems
0/5 complete
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74. Object Storage
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75. Blob Storage
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76. Distributed File Systems
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77. GFS
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78. HDFS
Phase 12: Search & Analytics
0/4 complete
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79. Elasticsearch
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80. Inverted Index
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81. Full Text Search
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82. Recommendation Systems Basics
Phase 13: Observability
0/5 complete
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83. Logging
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84. Metrics
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85. Monitoring
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86. Alerting
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87. Distributed Tracing
Phase 14: Security
0/6 complete
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88. Authentication
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89. Authorization
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90. TLS/HTTPS
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91. Encryption at Rest
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92. XSS
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93. SQL Injection