Types of caches

• The groupings are distinct and there would be overlaps

Hardware

• CPU Instruction Cache

  • L1 cache

  • L2 cache

  • L3 cache

• Translation Lookaside Buffer (TLB)

• GPU Cache

• Disk Cache/ Disk Block Cache

Operating system

• Page cache

• Inode cache

Network

• DNS Cache (Resolver Cache)

Web/Application

• HTTP response cache

• CDN cache

• Load balancer cache

• Browser Cache

• Session Cache

Messaging/Streaming

• Message broker cache (e.g., Kafka)

• Distributed cache (e.g., Redis)

Application

• object pooling

• Branch Prediction Cache

Search

• Full-text search engine cache (e.g., Elasticsearch)

Database

• Write-Ahead Log (WAL)

• Buffer Pool

• Materialized views

• Transaction Log

• Replication Log

• Database Query Cache/ Result Set Cache

• Object Relational Mapping (ORM) Cache

Misc

• Memory Cache

• Prefetch Cache

• Metadata Cache

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