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better handle metrics for state transitions (#33648)

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Owen Diehl 2021-05-03 11:57:24 -04:00 committed by GitHub
parent 57d46ea991
commit 070627d11e
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1 changed files with 9 additions and 1 deletions
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10
pkg/services/ngalert/state/cache.go
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@ -123,7 +123,15 @@ func (c *cache) trim() {
c.mtxStates.Lock()
defer c.mtxStates.Unlock()
ct := make(map[eval.State]int)
// Set default values to zero such that gauges are reset
// after all values from a single state disappear.
ct := map[eval.State]int{
eval.Normal: 0,
eval.Alerting: 0,
eval.Pending: 0,
eval.NoData: 0,
eval.Error: 0,
}
for _, v := range c.states {
if len(v.Results) > 100 {