bigcache,缓存数据

get 网址,https://github.com/allegro/bigcache

简单初始化
import "github.com/allegro/bigcache"

cache, _ := bigcache.NewBigCache(bigcache.DefaultConfig(10 * time.Minute))

cache.Set("my-unique-key", []byte("value"))

entry, _ := cache.Get("my-unique-key")
fmt.Println(string(entry))

自定义初始化
import (
    "log"

    "github.com/allegro/bigcache"
)

config := bigcache.Config {
        // number of shards (must be a power of 2)
        Shards: 1024,

        // time after which entry can be evicted
        LifeWindow: 10 * time.Minute,

        // Interval between removing expired entries (clean up).
        // If set to <= 0 then no action is performed.
        // Setting to < 1 second is counterproductive — bigcache has a one second resolution.
        CleanWindow: 5 * time.Minute,

        // rps * lifeWindow, used only in initial memory allocation
        MaxEntriesInWindow: 1000 * 10 * 60,

        // max entry size in bytes, used only in initial memory allocation
        MaxEntrySize: 500,

        // prints information about additional memory allocation
        Verbose: true,

        // cache will not allocate more memory than this limit, value in MB
        // if value is reached then the oldest entries can be overridden for the new ones
        // 0 value means no size limit
        HardMaxCacheSize: 8192,

        // callback fired when the oldest entry is removed because of its expiration time or no space left
        // for the new entry, or because delete was called. A bitmask representing the reason will be returned.
        // Default value is nil which means no callback and it prevents from unwrapping the oldest entry.
        OnRemove: nil,

        // OnRemoveWithReason is a callback fired when the oldest entry is removed because of its expiration time or no space left
        // for the new entry, or because delete was called. A constant representing the reason will be passed through.
        // Default value is nil which means no callback and it prevents from unwrapping the oldest entry.
        // Ignored if OnRemove is specified.
        OnRemoveWithReason: nil,
    }

cache, initErr := bigcache.NewBigCache(config)
if initErr != nil {
    log.Fatal(initErr)
}

cache.Set("my-unique-key", []byte("value"))

if entry, err := cache.Get("my-unique-key"); err == nil {
    fmt.Println(string(entry))
}