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# hmap | ||
Hybrid memory/disk map | ||
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Hybrid memory/disk map that helps you to manage key value storage for input deduplication. | ||
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--- | ||
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Available functions: | ||
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|Name|Declaration/Params/Return| | ||
|-|-| | ||
|New|func New(options Options) (*HybridMap, error){}| | ||
|Close|func (hm *HybridMap) Close() error{}| | ||
|Set|func (hm *HybridMap) Set(k string, v []byte) error{}| | ||
|Get|func (hm *HybridMap) Get(k string) ([]byte, bool){}| | ||
|Del|func (hm *HybridMap) Del(key string) error{}| | ||
|Scan|func (hm *HybridMap) Scan(f func([]byte, []byte) error){}| | ||
|Size|func (hm *HybridMap) Size() int64{}| | ||
|TuneMemory|func (hm *HybridMap) TuneMemory(){}| | ||
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Available options: | ||
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```go | ||
const ( | ||
Memory MapType = iota | ||
Disk | ||
Hybrid | ||
) | ||
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type DBType int | ||
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const ( | ||
LevelDB DBType = iota | ||
PogrebDB | ||
BBoltDB | ||
PebbleDB | ||
BuntDB | ||
) | ||
``` | ||
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|Name|Props| | ||
|-|-| | ||
|`DefaultOptions`|- Type: Memory<br>- MemoryExpirationTime: time.Duration(5) * time.Minute<br>- JanitorTime: time.Duration(1) * time.Minute| | ||
|`DefaultMemoryOptions`|- Type: Memory| | ||
|`DefaultDiskOptions`|- Type: Disk<br>- DBType: LevelDB<br>- Cleanup: true<br>- RemoveOlderThan: 24* time.Hour *2| | ||
|`DefaultDiskOptions`|- Type: Hybrid<br>- DBType: PogrebDB<br>- MemoryExpirationTime: time.Duration(5) * time.Minute<br>- JanitorTime: time.Duration(1) * time.Minute| | ||
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Custom options: | ||
```go | ||
type Options struct { | ||
MemoryExpirationTime time.Duration | ||
DiskExpirationTime time.Duration | ||
JanitorTime time.Duration | ||
Type MapType | ||
DBType DBType | ||
MemoryGuardForceDisk bool | ||
MemoryGuard bool | ||
MaxMemorySize int | ||
MemoryGuardTime time.Duration | ||
Path string | ||
Cleanup bool | ||
Name string | ||
RemoveOlderThan time.Duration | ||
} | ||
``` | ||
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# Simple usage example | ||
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```go | ||
func main() { | ||
var wg sync.WaitGroup | ||
wg.Add(1) | ||
go normal(&wg) | ||
wg.Wait() | ||
} | ||
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func normal(wg *sync.WaitGroup) { | ||
defer wg.Done() | ||
hm, err := hybrid.New(hybrid.DefaultOptions) | ||
if err != nil { | ||
log.Fatal(err) | ||
} | ||
defer hm.Close() | ||
err2 := hm.Set("a", []byte("b")) | ||
if err2 != nil { | ||
log.Fatal(err2) | ||
} | ||
v, ok := hm.Get("a") | ||
if ok { | ||
log.Println(v) | ||
} | ||
} | ||
``` | ||
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# License | ||
hmap is distributed under MIT License |