concurrentMap

Features

• thread safe and high performance read and write
• sharding mechanism to reduce lock range
• read-write lock to improve concurrency
• murmurHash to make the distribution more reasonable
• support user program to customize the number of shard
• provide operations including create, get, set, del, count, exists

Import

go get "github.com/xiao7737/concurrentMap"

Usage

    // Init map (recommend to take an alias)
    cm := concurrentMap.CreateConcurrentMap(32)

    // Add or update
    cm.Set(ConvertStr("hello"), "go")

    // Get kv
    res, ok := cm.Get(ConvertStr("hello"))   

    // Del kv
    cm.Del(ConvertStr("hello"))

Performance comparison with sync.Map

TODO

• Batch setting operation

More details

• See more details through test file: concurrent_map_test.go
• Get performance comparison:
  go test -bench=.