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mirror of https://github.com/kubernetes-sigs/descheduler.git synced 2026-01-26 21:31:18 +01:00

making isEvictable and hasSelectorOrAffinity invoked only once

Signed-off-by: googs1025 <googs1025@gmail.com>
This commit is contained in:
googs1025
2025-02-12 15:45:19 +08:00
parent 4548723dea
commit 59d1d5d1b9

View File

@@ -417,18 +417,23 @@ func sortDomains(constraintTopologyPairs map[topologyPair][]*v1.Pod, isEvictable
// followed by the highest priority pods with affinity or nodeSelector
sort.Slice(list, func(i, j int) bool {
// any non-evictable pods should be considered last (ie, first in the list)
if !isEvictable(list[i]) || !isEvictable(list[j]) {
evictableI := isEvictable(list[i])
evictableJ := isEvictable(list[j])
if !evictableI || !evictableJ {
// false - i is the only non-evictable, so return true to put it first
// true - j is non-evictable, so return false to put j before i
// if true and both and non-evictable, order doesn't matter
return !(isEvictable(list[i]) && !isEvictable(list[j]))
return !(evictableI && !evictableJ)
}
hasSelectorOrAffinityI := hasSelectorOrAffinity(*list[i])
hasSelectorOrAffinityJ := hasSelectorOrAffinity(*list[j])
// if both pods have selectors/affinity, compare them by their priority
if hasSelectorOrAffinity(*list[i]) == hasSelectorOrAffinity(*list[j]) {
if hasSelectorOrAffinityI == hasSelectorOrAffinityJ {
// Sort by priority in ascending order (lower priority Pods first)
return !comparePodsByPriority(list[i], list[j])
}
return hasSelectorOrAffinity(*list[i]) && !hasSelectorOrAffinity(*list[j])
return hasSelectorOrAffinityI && !hasSelectorOrAffinityJ
})
sortedTopologies = append(sortedTopologies, topology{pair: pair, pods: list})
}