diff --git a/perfmetrics/scripts/testing_on_gke/examples/dlio/unet3d-loading-test/templates/dlio-tester.yaml b/perfmetrics/scripts/testing_on_gke/examples/dlio/unet3d-loading-test/templates/dlio-tester.yaml
index 5d5db9f132..834fa99f01 100644
--- a/perfmetrics/scripts/testing_on_gke/examples/dlio/unet3d-loading-test/templates/dlio-tester.yaml
+++ b/perfmetrics/scripts/testing_on_gke/examples/dlio/unet3d-loading-test/templates/dlio-tester.yaml
@@ -86,6 +86,7 @@ spec:
         ++workload.reader.read_threads={{ .Values.dlio.readThreads }} \
         ++workload.output.folder=/logs/{{ .Values.dlio.numFilesTrain }}-{{ .Values.dlio.recordLength }}-{{ .Values.dlio.batchSize }}/{{ .Values.scenario }}
 
+        # dump the gcsfuse-mount-configuration to a file in output-directory.
         {{ if eq .Values.scenario "gcsfuse-generic"}}
         echo "{{ .Values.gcsfuse.mountOptions }}" > /logs/{{ .Values.dlio.numFilesTrain }}-{{ .Values.dlio.recordLength }}-{{ .Values.dlio.batchSize }}/{{ .Values.scenario }}/gcsfuse_mount_options
         {{ end }}
diff --git a/perfmetrics/scripts/testing_on_gke/examples/fio/loading-test/templates/fio-tester.yaml b/perfmetrics/scripts/testing_on_gke/examples/fio/loading-test/templates/fio-tester.yaml
index 951f3da885..90a1b6c486 100644
--- a/perfmetrics/scripts/testing_on_gke/examples/fio/loading-test/templates/fio-tester.yaml
+++ b/perfmetrics/scripts/testing_on_gke/examples/fio/loading-test/templates/fio-tester.yaml
@@ -127,6 +127,7 @@ spec:
         echo "Run fio tests..."
         mkdir -p /data/fio-output/{{ .Values.scenario }}/$read_type
 
+        # dump the gcsfuse-mount-configuration to a file in output-directory.
         {{ if eq .Values.scenario "gcsfuse-generic" }}
         echo "{{ .Values.gcsfuse.mountOptions }}" > /data/fio-output/{{ .Values.scenario }}/$read_type/gcsfuse_mount_options
         {{ end }}
@@ -174,7 +175,7 @@ spec:
       driver: gcsfuse.csi.storage.gke.io
       volumeAttributes:
         bucketName: {{ .Values.bucketName }}
-        # gcsfuseLoggingSeverity: "info"
+        gcsfuseLoggingSeverity: "info"
         mountOptions: "{{ .Values.gcsfuse.mountOptions }}"
   {{- else if eq .Values.scenario "gcsfuse-file-cache" }}
     csi: