golang-samber-hot

In-memory caching in Golang is implemented using the samber/hot library, which provides type-safe caching with 9 eviction algorithms. It targets scenarios needing fast access to frequently requested medium-to-low cardinality resources to reduce latency.

Golang memory optimization with samber/hot supports 9 eviction algorithms: LRU, LFU, TinyLFU, W-TinyLFU, S3FIFO, ARC, TwoQueue, SIEVE, and FIFO. These algorithms manage cache entries to optimize memory usage and access performance.

Yes, samber/hot is compatible with Go 1.22+ and supports TTL for data expiration. It also offers loader chains for efficient data retrieval, ensuring cached data is automatically refreshed when its time-to-live expires.

The best way to add samber/hot for type-safe caching is by executing 'go get -u github.com/samber/hot' in your project directory, then configuring the cache instance and its eviction algorithm directly in your application code.

In-memory caching should be used in Golang when your project frequently loads medium-to-low cardinality resources and needs to reduce latency. It prevents repetitive expensive database queries by storing frequently accessed data in memory.

Golang applications need loader chains for in-memory caching to efficiently retrieve data on cache misses. Loaders automatically fetch missing data from the source, populate the cache, and reduce manual data fetching logic in your code.