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cache/dynacache: Don't mark all evicted items as stale #12446

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cache/dynacache: Don't mark all evicted items as stale #12446

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20 changes: 11 additions & 9 deletions cache/dynacache/dynacache.go
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Original file line number Diff line number Diff line change
Expand Up @@ -74,7 +74,6 @@ func New(opts Options) *Cache {
evictedIdentities.Push(id)
return false
})
resource.MarkStale(v)
}

c := &Cache{
Expand Down Expand Up @@ -458,11 +457,8 @@ func (p *Partition[K, V]) clearMatching(predicate func(k, v any) bool) {

func (p *Partition[K, V]) clearOnRebuild(changeset ...identity.Identity) {
opts := p.getOptions()
if opts.ClearWhen == ClearNever {
return
}

if opts.ClearWhen == ClearOnRebuild {
if opts.ClearWhen == ClearOnRebuild && len(changeset) == 0 {
// Clear all.
p.Clear()
return
Expand Down Expand Up @@ -502,17 +498,24 @@ func (p *Partition[K, V]) clearOnRebuild(changeset ...identity.Identity) {
// Second pass needs to be done in a separate loop to catch any
// elements marked as stale in the other partitions.
p.c.DeleteFunc(func(key K, v V) bool {
if shouldDelete(key, v) {
match := shouldDelete(key, v)
clear := match || opts.ClearWhen == ClearOnRebuild

if match {
resource.MarkStale(v)
}

if clear {
p.trace.Log(
logg.StringFunc(
func() string {
return fmt.Sprintf("first pass: clearing cache key %v", key)
},
),
)
return true
}
return false

return clear
})
}

Expand Down Expand Up @@ -586,7 +589,6 @@ type PartitionManager interface {
const (
ClearOnRebuild ClearWhen = iota + 1
ClearOnChange
ClearNever
)

type ClearWhen int
Expand Down
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