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Performance: Add preallocation for some slices (#59593)

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This commit is contained in:
Denis Limarev
2023-01-11 23:03:37 +06:00
committed by GitHub
parent 8bda8b8272
commit 90badc8729
8 changed files with 11 additions and 11 deletions
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2
pkg/services/ngalert/state/cache.go
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@@ -222,7 +222,6 @@ func (c *cache) getAll(orgID int64) []*State {
}
func (c *cache) getStatesForRuleUID(orgID int64, alertRuleUID string) []*State {
var result []*State
c.mtxStates.RLock()
defer c.mtxStates.RUnlock()
orgRules, ok := c.states[orgID]
@@ -233,6 +232,7 @@ func (c *cache) getStatesForRuleUID(orgID int64, alertRuleUID string) []*State {
if !ok {
return nil
}
result := make([]*State, 0, len(rs.states))
for _, state := range rs.states {
result = append(result, state)
}