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Expose VPN fabric bulk pressure telemetry

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This commit is contained in:
Mikhail
2026-05-16 13:02:31 +03:00
parent ebdae833fc
commit f1cd43e6f2
3 changed files with 19 additions and 0 deletions
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agents/rap-node-agent/internal/vpnruntime/fabric_transport.go
+13
View File
@@ -251,6 +251,9 @@ type FabricFlowSchedulerSnapshot struct {
AdaptiveBackpressureReason string `json:"adaptive_backpressure_reason,omitempty"`
RecommendedParallelWindows map[string]int `json:"recommended_parallel_windows,omitempty"`
AdaptivePolicyFingerprint string `json:"adaptive_policy_fingerprint,omitempty"`
BulkPressureActive bool `json:"bulk_pressure_active,omitempty"`
BulkPressureChannelCount int `json:"bulk_pressure_channel_count,omitempty"`
InteractiveOrControlCount int `json:"interactive_or_control_channel_count,omitempty"`
SlowChannelCount int `json:"slow_channel_count"`
FailingChannelCount int `json:"failing_channel_count"`
QualityWindowSampleCount int `json:"quality_window_sample_count"`
@@ -778,6 +781,16 @@ func (s *FabricFlowScheduler) Snapshot() FabricFlowSchedulerSnapshot {
if snapshot.QualityWindowDropCount > 0 {
snapshot.BackpressureActive = true
}
snapshot.BulkPressureChannelCount = snapshot.TrafficClassCounts[FabricTrafficClassBulk]
snapshot.InteractiveOrControlCount = snapshot.TrafficClassCounts[FabricTrafficClassControl] + snapshot.TrafficClassCounts[FabricTrafficClassInteractive]
bulkPressureThreshold := s.adaptivePolicy.BulkPressureChannelThreshold
if bulkPressureThreshold <= 0 {
bulkPressureThreshold = defaultFabricServiceChannelAdaptivePolicy().BulkPressureChannelThreshold
}
if snapshot.BulkPressureChannelCount >= bulkPressureThreshold && snapshot.InteractiveOrControlCount > 0 {
snapshot.BulkPressureActive = true
snapshot.BackpressureActive = true
}
for _, trafficClass := range []string{FabricTrafficClassControl, FabricTrafficClassInteractive, FabricTrafficClassReliable, FabricTrafficClassBulk, FabricTrafficClassDroppable} {
snapshot.RecommendedParallelWindows[trafficClass] = s.recommendedParallelSendWindowForTrafficClassLocked(trafficClass, s.adaptivePolicy.MaxParallelWindow)
}
agents/rap-node-agent/internal/vpnruntime/fabric_transport_test.go
+3
View File
@@ -1879,6 +1879,9 @@ func TestFabricFlowSchedulerProtectsInteractiveWindowDuringBulkPressure(t *testi
if snapshot.TrafficClassCounts[FabricTrafficClassBulk] != 16 || snapshot.TrafficClassCounts[FabricTrafficClassInteractive] != 1 {
t.Fatalf("traffic class counts = %+v", snapshot.TrafficClassCounts)
}
if !snapshot.BulkPressureActive || snapshot.BulkPressureChannelCount != 16 || snapshot.InteractiveOrControlCount != 1 || !snapshot.BackpressureActive {
t.Fatalf("bulk pressure telemetry = %+v", snapshot)
}
}
func TestFabricFlowSchedulerRollingQualityWindowForgetsOldPressure(t *testing.T) {