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grab lookup len under read lock

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This commit is contained in:
Karl Seguin 2020-08-13 10:41:28 +08:00
parent f63031fa40
commit d7846ec7e0
1 changed files with 6 additions and 1 deletions
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7
bucket.go
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@ -56,7 +56,12 @@ func (b *bucket) delete(key string) *Item {
// write lock)
func (b *bucket) deleteFunc(matches func(key string, item interface{}) bool, deletables chan *Item) int {
lookup := b.lookup
items := make([]*Item, 0, len(lookup)/10)
b.RLock()
l := len(lookup)
b.RUnlock()
items := make([]*Item, 0, l/10)
b.RLock()
for key, item := range lookup {