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Fix GCTuner calculation overflow (#20354) 

Signed-off-by: xiaofan-luan <xiaofan.luan@zilliz.com>

Signed-off-by: xiaofan-luan <xiaofan.luan@zilliz.com>
pull/20368/head
Xiaofan 2022-11-07 12:17:05 +08:00 committed by GitHub
parent 709a0a94e9
commit 0d18336b21
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 4 deletions
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13
internal/util/gc/gc_tuner.go
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@ -60,11 +60,16 @@ func optimizeGOGC() {
totaluse := hardware.GetUsedMemoryCount()
heapTarget := memoryThreshold - (totaluse - heapuse)
newGoGC := uint32(math.Floor(float64(heapTarget-heapuse) / float64(heapuse) * 100))
if newGoGC < minGOGC {
var newGoGC uint32
if heapTarget < heapuse {
newGoGC = minGOGC
} else if newGoGC > maxGOGC {
newGoGC = maxGOGC
} else {
newGoGC = uint32(math.Floor(float64(heapTarget-heapuse) / float64(heapuse) * 100))
if newGoGC < minGOGC {
newGoGC = minGOGC
} else if newGoGC > maxGOGC {
newGoGC = maxGOGC
}
}
action(newGoGC)