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优化计数器

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GoEdgeLab
2023-11-15 15:17:03 +08:00
parent 81c863635a
commit 6c4ea694f9
1 changed files with 3 additions and 6 deletions
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9
internal/utils/counters/counter.go
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@@ -66,13 +66,10 @@ func (this *Counter) Increase(key uint64, lifeSeconds int) uint64 {
var index = int(key % this.countMaps) var index = int(key % this.countMaps)
this.locker.RLock(index) this.locker.RLock(index)
var item = this.itemMaps[index][key] var item = this.itemMaps[index][key]
var l = len(this.itemMaps[index])
this.locker.RUnlock(index) this.locker.RUnlock(index)
if item == nil { // no need to care about duplication if item == nil {
if l > maxItemsPerGroup { // no need to care about duplication
return 1 // always insert new item even when itemMap is full
}
item = NewItem(lifeSeconds) item = NewItem(lifeSeconds)
this.locker.Lock(index) this.locker.Lock(index)
this.itemMaps[index][key] = item this.itemMaps[index][key] = item