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Guard new leaf generation with a mutex #166

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Jul 8, 2024
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Guard new leaf generation with a mutex #166

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3 changes: 3 additions & 0 deletions hammer/hammer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -301,7 +301,10 @@ func genLeaf(n uint64, minLeafSize int) []byte {
func newLeafGenerator(n uint64, minLeafSize int) func() []byte {
const dupChance = 0.1
nextLeaf := genLeaf(n, minLeafSize)
var safe sync.Mutex
return func() []byte {
safe.Lock()
defer safe.Unlock()
if rand.Float64() <= dupChance {
// This one will actually be unique, but the next iteration will
// duplicate it. In future, this duplication could be randomly
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