From 21896dac4baf66a65355639049628b30083c0d76 Mon Sep 17 00:00:00 2001
From: Chao Xu <xuchao@google.com>
Date: Thu, 15 Sep 2016 10:45:43 -0700
Subject: [PATCH 1/2] add the uid in a delete event to the absentOwnerCache

---
 pkg/controller/garbagecollector/garbagecollector.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkg/controller/garbagecollector/garbagecollector.go b/pkg/controller/garbagecollector/garbagecollector.go
index e35857eb8e9..52ff705a6f3 100644
--- a/pkg/controller/garbagecollector/garbagecollector.go
+++ b/pkg/controller/garbagecollector/garbagecollector.go
@@ -411,6 +411,7 @@ func (p *Propagator) processEvent() {
 		// the node's owners list.
 		p.removeDependentFromOwners(existingNode, removed)
 	case event.eventType == deleteEvent:
+		p.gc.absentOwnerCache.Add(accessor.GetUID())
 		if !found {
 			glog.V(6).Infof("%v doesn't exist in the graph, this shouldn't happen", accessor.GetUID())
 			return

From d122de5371d6b41a17c0e6798755b3a38182a1fb Mon Sep 17 00:00:00 2001
From: Chao Xu <xuchao@google.com>
Date: Thu, 15 Sep 2016 10:45:43 -0700
Subject: [PATCH 2/2] add the uid in a delete event to the absentOwnerCache

---
 pkg/controller/garbagecollector/garbagecollector_test.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkg/controller/garbagecollector/garbagecollector_test.go b/pkg/controller/garbagecollector/garbagecollector_test.go
index 4909eac8c07..be1c900e629 100644
--- a/pkg/controller/garbagecollector/garbagecollector_test.go
+++ b/pkg/controller/garbagecollector/garbagecollector_test.go
@@ -298,8 +298,9 @@ func TestProcessEvent(t *testing.T) {
 				uidToNode: make(map[types.UID]*node),
 			},
 			gc: &GarbageCollector{
-				dirtyQueue: workqueue.NewTimedWorkQueue(),
-				clock:      clock.RealClock{},
+				dirtyQueue:       workqueue.NewTimedWorkQueue(),
+				clock:            clock.RealClock{},
+				absentOwnerCache: NewUIDCache(2),
 			},
 		}
 		for i := 0; i < len(scenario.events); i++ {