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perf: optimize resolvedEnv parsing in buildScalers #7374

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9af9a43
perf: optimize resolvedEnv parsing in buildScalers
Jan 9, 2026
5b56a9d
update CHANGELOG.md
Jan 10, 2026
2041e03
fix: correct PR number format in changelog (#7374)
Jan 10, 2026
d0d1041
revert
Jan 10, 2026
3fb0857
chore: remove changelog entry for reverted optimization
Jan 10, 2026
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17 changes: 10 additions & 7 deletions pkg/scaling/scalers_builder.go
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Original file line number Diff line number Diff line change
Expand Up @@ -40,19 +40,22 @@ import (
func (h *scaleHandler) buildScalers(ctx context.Context, withTriggers *kedav1alpha1.WithTriggers, podTemplateSpec *corev1.PodTemplateSpec, containerName string, asMetricSource bool) ([]cache.ScalerBuilder, error) {
logger := log.WithValues("type", withTriggers.Kind, "namespace", withTriggers.Namespace, "name", withTriggers.Name)
var err error
resolvedEnv := make(map[string]string)
var resolvedEnv map[string]string

// Resolve container environment once at the beginning, shared by all triggers
if podTemplateSpec != nil {
resolvedEnv, err = resolver.ResolveContainerEnv(ctx, h.client, logger, &podTemplateSpec.Spec, containerName, withTriggers.Namespace, h.authClientSet.SecretLister)
if err != nil {
return nil, fmt.Errorf("error resolving secrets for ScaleTarget: %w", err)
}
}

result := make([]cache.ScalerBuilder, 0, len(withTriggers.Spec.Triggers))

for i, t := range withTriggers.Spec.Triggers {
triggerIndex, trigger := i, t

factory := func() (scalers.Scaler, *scalersconfig.ScalerConfig, error) {
if podTemplateSpec != nil {
resolvedEnv, err = resolver.ResolveContainerEnv(ctx, h.client, logger, &podTemplateSpec.Spec, containerName, withTriggers.Namespace, h.authClientSet.SecretLister)
if err != nil {
return nil, nil, fmt.Errorf("error resolving secrets for ScaleTarget: %w", err)
}
}
config := &scalersconfig.ScalerConfig{
ScalableObjectName: withTriggers.Name,
ScalableObjectNamespace: withTriggers.Namespace,
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