Understand computer systems from digital logic through operating systems, networks, databases, and distributed systems.
skill_config:
version: "1.0.0"
category: systems
prerequisites: [cs-foundations]
estimated_time: "10-12 weeks"
difficulty: intermediate-advanced
parameter_validation:
domain:
type: string
enum: [cpu, memory, os, network, database, distributed]
required: true
scale:
type: string
enum: [single, cluster, global]
default: single
retry_config:
max_attempts: 3
backoff_strategy: exponential
initial_delay_ms: 500
observability:
log_level: INFO
metrics: [domain_usage, design_pattern_frequency]
Master how modern computers actually work, from circuits to distributed systems.
CPU Concepts
Cache Memory
Process Management
Memory Management
Concurrency
OSI Model
Protocols
CAP Theorem
Consensus Algorithms
| Issue | Root Cause | Resolution |
|---|---|---|
| High latency | Slow DB queries | Add indexes, cache |
| Memory exhaustion | Memory leak | Profile, fix leaks |
| Connection exhaustion | Pool too small | Increase pool size |
| Cascading failure | No circuit breaker | Add circuit breakers |