memcache

Memory Caching in Golang. Preparing for Generics in go1.18.

It is the very simple memory cache with:

• Using built-in map of Golang which has been optimized.
• Using sync.Mutex by shard for thread-safe and avoid cross-shards blocking.
• Sharding keys with xxh3 algorithm.

Features

• Set
• SetUntil
• Get
• Take
• Delete
• GC

Config

• Size
• Shard
• TTL

Benchmark

Env

goos: darwin
goarch: amd64
pkg: github.com/lovung/memcache
cpu: Intel(R) Core(TM) i7-4980HQ CPU @ 2.80GHz

Results

BenchmarkSet-8           7606341	       132.5 ns/op	       0 B/op	       0 allocs/op
BenchmarkGet-8           11004312	       114.6 ns/op	       0 B/op	       0 allocs/op
BenchmarkSetTake-8       4407631	       267.9 ns/op	       0 B/op	       0 allocs/op
BenchmarkSetGetDel-8     4247701	       276.4 ns/op	       0 B/op	       0 allocs/op