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Learning Topics

This roadmap covers the following topics:

✅ Caching Fundamentals & Trade-offs

• ⚪ The Cost-Benefit Analysis

• ⚪ Performance vs. Consistency

• ⚪ Memory and Storage Costs

• ⚪ Debugging Complexity

• ⚪ When Caching Makes Things Worse

• ⚪ Cache Stampede Scenarios

• ⚪ Over-Caching Low-Value Data

• ⚪ Cache Synchronization Overhead

✅ Browser & Client-Side Caching

• ✅ HTTP Cache Headers

• ⚪ Cache-Control Directives

• ⚪ ETags and Validation

• ⚪ Vary Header Strategy

• ✅ Service Workers & Advanced Patterns

• ⚪ Cache-First Strategies

• ⚪ Network-First with Fallback

• ⚪ BFCache Optimization

✅ CDN & Edge Caching

• ⚪ Edge Cache Configuration

• ⚪ Cache Key Design

• ⚪ Geographic Distribution

• ⚪ Cache Invalidation & Purging

• ⚪ Purge vs. Soft Purge

• ⚪ Surrogate Keys and Tagging

• ⚪ Cache Warming Strategies

✅ Application-Level Caching

• ✅ In-Memory Caching

• ✅ LRU and Eviction Policies

• ⚪ Result Memoization

• ✅ Distributed Cache Systems

• ⚪ Redis Architecture

• ⚪ Memcached Simplicity

• ⚪ Cache Aside vs. Write-Through

✅ Database Query Caching

• ✅ Query Result Caching

• ⚪ Cache Key Generation

• ⚪ Partial Result Caching

• ⚪ Native Database Caches

• ⚪ MySQL Query Cache

• ⚪ PostgreSQL Shared Buffers

✅ Cache Invalidation & Consistency

• ⚪ Time-Based Invalidation

• ⚪ Fixed vs. Sliding TTL

• ⚪ Stale-While-Revalidate

• ⚪ Event-Driven Invalidation

• ⚪ Database Triggers and Webhooks

• ⚪ Message Queue Integration

• ⚪ Versioned Keys Strategy

✅ Advanced Cache Patterns & Problems

• ✅ Cache Stampede Prevention

• ⚪ Probabilistic Early Expiration

• ⚪ Request Coalescing

• ⚪ Lock-Based Refresh

• ✅ Distributed Cache Consistency

• ⚪ Eventual Consistency Patterns

• ⚪ Cache Replication Strategies

• ⚪ Invalidation Broadcast

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