diff --git a/test/e2e/Makefile b/test/e2e/Makefile
index 79af0d571..152f6674a 100644
--- a/test/e2e/Makefile
+++ b/test/e2e/Makefile
@@ -84,6 +84,7 @@ ADDITIONAL_BSL_PREFIX ?=
 ADDITIONAL_BSL_CONFIG ?=
 
 FEATURES ?=
+DEBUG_E2E_TEST ?= false
 
 .PHONY:ginkgo
 ginkgo: # Make sure ginkgo is in $GOPATH/bin
@@ -121,7 +122,8 @@ run: ginkgo
 		-features=$(FEATURES) \
 		-install-velero=$(INSTALL_VELERO) \
 		-registry-credential-file=$(REGISTRY_CREDENTIAL_FILE) \
-		-kibishii-directory=$(KIBISHII_DIRECTORY)
+		-kibishii-directory=$(KIBISHII_DIRECTORY) \
+		-debug-e2e-test=$(DEBUG_E2E_TEST)
 
 build: ginkgo
 	mkdir -p $(OUTPUT_DIR)
diff --git a/test/e2e/backup/backup.go b/test/e2e/backup/backup.go
index 730f6abf9..757c2e589 100644
--- a/test/e2e/backup/backup.go
+++ b/test/e2e/backup/backup.go
@@ -60,12 +60,11 @@ func BackupRestoreTest(useVolumeSnapshots bool) {
 	})
 
 	AfterEach(func() {
-		DeleteNamespace(context.Background(), client, kibishiiNamespace, true)
-		Expect(err).To(Succeed(), fmt.Sprintf("failed to delete the namespace %q", kibishiiNamespace))
-
 		if VeleroCfg.InstallVelero {
-			err = VeleroUninstall(context.Background(), VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace)
-			Expect(err).To(Succeed())
+			if !VeleroCfg.Debug {
+				err = VeleroUninstall(context.Background(), VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace)
+				Expect(err).To(Succeed())
+			}
 		}
 	})
 
diff --git a/test/e2e/backups/deletion.go b/test/e2e/backups/deletion.go
index a1d7a0cc3..69c8bd355 100644
--- a/test/e2e/backups/deletion.go
+++ b/test/e2e/backups/deletion.go
@@ -67,8 +67,10 @@ func backup_deletion_test(useVolumeSnapshots bool) {
 
 	AfterEach(func() {
 		if VeleroCfg.InstallVelero {
-			err = VeleroUninstall(context.Background(), VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace)
-			Expect(err).To(Succeed())
+			if !VeleroCfg.Debug {
+				err = VeleroUninstall(context.Background(), VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace)
+				Expect(err).To(Succeed())
+			}
 		}
 	})
 
diff --git a/test/e2e/backups/sync_backups.go b/test/e2e/backups/sync_backups.go
index a329b5114..8d1eb3d16 100644
--- a/test/e2e/backups/sync_backups.go
+++ b/test/e2e/backups/sync_backups.go
@@ -67,7 +67,9 @@ func BackupsSyncTest() {
 
 	AfterEach(func() {
 		if VeleroCfg.InstallVelero {
-			Expect(VeleroUninstall(context.Background(), VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace)).To(Succeed())
+			if !VeleroCfg.Debug {
+				Expect(VeleroUninstall(context.Background(), VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace)).To(Succeed())
+			}
 		}
 	})
 
diff --git a/test/e2e/basic/enable_api_group_versions.go b/test/e2e/basic/enable_api_group_versions.go
index 46a7aeb26..1eac63b02 100644
--- a/test/e2e/basic/enable_api_group_versions.go
+++ b/test/e2e/basic/enable_api_group_versions.go
@@ -76,8 +76,10 @@ func APIGropuVersionsTest() {
 		Expect(err).NotTo(HaveOccurred())
 
 		if VeleroCfg.InstallVelero {
-			err = VeleroUninstall(ctx, VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace)
-			Expect(err).NotTo(HaveOccurred())
+			if !VeleroCfg.Debug {
+				err = VeleroUninstall(ctx, VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace)
+				Expect(err).NotTo(HaveOccurred())
+			}
 		}
 
 	})
diff --git a/test/e2e/bsl-mgmt/deletion.go b/test/e2e/bsl-mgmt/deletion.go
index 5bc6d3595..a034b2da3 100644
--- a/test/e2e/bsl-mgmt/deletion.go
+++ b/test/e2e/bsl-mgmt/deletion.go
@@ -70,11 +70,13 @@ func BslDeletionTest(useVolumeSnapshots bool) {
 
 	AfterEach(func() {
 		if VeleroCfg.InstallVelero {
-			Expect(DeleteNamespace(context.Background(), client, bslDeletionTestNs,
-				true)).To(Succeed(), fmt.Sprintf("failed to delete the namespace %q",
-				bslDeletionTestNs))
-			Expect(VeleroUninstall(context.Background(), VeleroCfg.VeleroCLI,
-				VeleroCfg.VeleroNamespace)).To(Succeed())
+			if !VeleroCfg.Debug {
+				Expect(DeleteNamespace(context.Background(), client, bslDeletionTestNs,
+					true)).To(Succeed(), fmt.Sprintf("failed to delete the namespace %q",
+					bslDeletionTestNs))
+				Expect(VeleroUninstall(context.Background(), VeleroCfg.VeleroCLI,
+					VeleroCfg.VeleroNamespace)).To(Succeed())
+			}
 		}
 	})
 
diff --git a/test/e2e/e2e_suite_test.go b/test/e2e/e2e_suite_test.go
index 9186ca3aa..a0d4c3d59 100644
--- a/test/e2e/e2e_suite_test.go
+++ b/test/e2e/e2e_suite_test.go
@@ -64,6 +64,7 @@ func init() {
 	flag.StringVar(&VeleroCfg.AdditionalBSLConfig, "additional-bsl-config", "", "configuration to use for the additional backup storage location. Format is key1=value1,key2=value2")
 	flag.StringVar(&VeleroCfg.AdditionalBSLCredentials, "additional-bsl-credentials-file", "", "file containing credentials for additional backup storage location provider. Required if testing multiple credentials support.")
 	flag.StringVar(&VeleroCfg.Features, "features", "", "Comma-separated list of features to enable for this Velero process.")
+	flag.BoolVar(&VeleroCfg.Debug, "debug-e2e-test", false, "Switch to control namespace cleaning.")
 }
 
 var _ = Describe("[APIGroup] Velero tests with various CRD API group versions", APIGropuVersionsTest)
diff --git a/test/e2e/privilegesmgmt/ssr.go b/test/e2e/privilegesmgmt/ssr.go
index 40be8c158..90d7cd7f7 100644
--- a/test/e2e/privilegesmgmt/ssr.go
+++ b/test/e2e/privilegesmgmt/ssr.go
@@ -51,7 +51,9 @@ func SSRTest() {
 
 	AfterEach(func() {
 		if VeleroCfg.InstallVelero {
-			Expect(VeleroUninstall(context.Background(), VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace)).To(Succeed())
+			if !VeleroCfg.Debug {
+				Expect(VeleroUninstall(context.Background(), VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace)).To(Succeed())
+			}
 		}
 	})
 
diff --git a/test/e2e/test/test.go b/test/e2e/test/test.go
index de27e2bb6..995b4fda7 100644
--- a/test/e2e/test/test.go
+++ b/test/e2e/test/test.go
@@ -84,7 +84,9 @@ func TestFunc(test VeleroBackupRestoreTest) func() {
 		})
 		AfterEach(func() {
 			if VeleroCfg.InstallVelero {
-				Expect(VeleroUninstall(context.Background(), VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace)).To((Succeed()))
+				if !VeleroCfg.Debug {
+					Expect(VeleroUninstall(context.Background(), VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace)).To((Succeed()))
+				}
 			}
 		})
 		It(test.GetTestMsg().Text, func() {
@@ -115,7 +117,7 @@ func TestFuncWithMultiIt(tests []VeleroBackupRestoreTest) func() {
 
 		AfterEach(func() {
 			if VeleroCfg.InstallVelero {
-				if countIt == len(tests) {
+				if countIt == len(tests) && !VeleroCfg.Debug {
 					Expect(VeleroUninstall(context.Background(), VeleroCfg.VeleroCLI, VeleroCfg.VeleroNamespace)).To((Succeed()))
 				}
 			}
diff --git a/test/e2e/types.go b/test/e2e/types.go
index 3e4cd7168..5a0a8ae9b 100644
--- a/test/e2e/types.go
+++ b/test/e2e/types.go
@@ -50,6 +50,7 @@ type VerleroConfig struct {
 	InstallVelero            bool
 	KibishiiDirectory        string
 	Features                 string
+	Debug                    bool
 }
 
 type SnapshotCheckPoint struct {
diff --git a/test/e2e/upgrade/upgrade.go b/test/e2e/upgrade/upgrade.go
index 5bbb7c21f..0d98908d5 100644
--- a/test/e2e/upgrade/upgrade.go
+++ b/test/e2e/upgrade/upgrade.go
@@ -94,13 +94,15 @@ func BackupUpgradeRestoreTest(useVolumeSnapshots bool, upgradeFromVelero Upgrade
 	})
 	AfterEach(func() {
 		if VeleroCfg.InstallVelero {
-			By(fmt.Sprintf("Delete sample workload namespace %s", upgradeNamespace), func() {
-				DeleteNamespace(context.Background(), client, upgradeNamespace, true)
-			})
-			By("Uninstall Velero", func() {
-				Expect(VeleroUninstall(context.Background(), VeleroCfg.VeleroCLI,
-					VeleroCfg.VeleroNamespace)).To(Succeed())
-			})
+			if !VeleroCfg.Debug {
+				By(fmt.Sprintf("Delete sample workload namespace %s", upgradeNamespace), func() {
+					DeleteNamespace(context.Background(), client, upgradeNamespace, true)
+				})
+				By("Uninstall Velero", func() {
+					Expect(VeleroUninstall(context.Background(), VeleroCfg.VeleroCLI,
+						VeleroCfg.VeleroNamespace)).To(Succeed())
+				})
+			}
 		}
 	})
 	When("kibishii is the sample workload", func() {
diff --git a/test/e2e/util/kibishii/kibishii_utils.go b/test/e2e/util/kibishii/kibishii_utils.go
index 7ad137cbc..d99b1b939 100644
--- a/test/e2e/util/kibishii/kibishii_utils.go
+++ b/test/e2e/util/kibishii/kibishii_utils.go
@@ -46,11 +46,22 @@ func RunKibishiiTests(client TestClient, veleroCfg VerleroConfig, backupName, re
 	registryCredentialFile := VeleroCfg.RegistryCredentialFile
 	veleroFeatures := VeleroCfg.Features
 	kibishiiDirectory := VeleroCfg.KibishiiDirectory
-
+	if _, err := GetNamespace(context.Background(), client, kibishiiNamespace); err == nil {
+		fmt.Printf("Workload namespace %s exists, delete it first.", kibishiiNamespace)
+		if err = DeleteNamespace(context.Background(), client, kibishiiNamespace, true); err != nil {
+			fmt.Println(errors.Wrapf(err, "failed to delete the namespace %q", kibishiiNamespace))
+		}
+	}
 	if err := CreateNamespace(oneHourTimeout, client, kibishiiNamespace); err != nil {
 		return errors.Wrapf(err, "Failed to create namespace %s to install Kibishii workload", kibishiiNamespace)
 	}
-
+	defer func() {
+		if !veleroCfg.Debug {
+			if err := DeleteNamespace(context.Background(), client, kibishiiNamespace, true); err != nil {
+				fmt.Println(errors.Wrapf(err, "failed to delete the namespace %q", kibishiiNamespace))
+			}
+		}
+	}()
 	if err := KibishiiPrepareBeforeBackup(oneHourTimeout, client, providerName,
 		kibishiiNamespace, registryCredentialFile, veleroFeatures,
 		kibishiiDirectory, useVolumeSnapshots); err != nil {