diff --git a/backends-velox/src/main/scala/org/apache/gluten/backendsapi/velox/VeloxMetricsApi.scala b/backends-velox/src/main/scala/org/apache/gluten/backendsapi/velox/VeloxMetricsApi.scala
index 49d45a396433..88aa8c90da73 100644
--- a/backends-velox/src/main/scala/org/apache/gluten/backendsapi/velox/VeloxMetricsApi.scala
+++ b/backends-velox/src/main/scala/org/apache/gluten/backendsapi/velox/VeloxMetricsApi.scala
@@ -338,7 +338,10 @@ class VeloxMetricsApi extends MetricsApi with Logging {
 
   def genWriteFilesTransformerMetrics(sparkContext: SparkContext): Map[String, SQLMetric] =
     Map(
-      "physicalWrittenBytes" -> SQLMetrics.createMetric(sparkContext, "number of written bytes"),
+      "physicalWrittenBytes" -> SQLMetrics.createSizeMetric(
+        sparkContext,
+        "number of written bytes"),
+      "wallNanos" -> SQLMetrics.createNanoTimingMetric(sparkContext, "time of write"),
       "numWrittenFiles" -> SQLMetrics.createMetric(sparkContext, "number of written files")
     )
 
diff --git a/gluten-data/src/main/scala/org/apache/gluten/metrics/WriteFilesMetricsUpdater.scala b/gluten-data/src/main/scala/org/apache/gluten/metrics/WriteFilesMetricsUpdater.scala
index 5a04b404334f..30ed4aaa78cf 100644
--- a/gluten-data/src/main/scala/org/apache/gluten/metrics/WriteFilesMetricsUpdater.scala
+++ b/gluten-data/src/main/scala/org/apache/gluten/metrics/WriteFilesMetricsUpdater.scala
@@ -24,6 +24,7 @@ class WriteFilesMetricsUpdater(val metrics: Map[String, SQLMetric]) extends Metr
     if (opMetrics != null) {
       val operatorMetrics = opMetrics.asInstanceOf[OperatorMetrics]
       metrics("physicalWrittenBytes") += operatorMetrics.physicalWrittenBytes
+      metrics("wallNanos") += operatorMetrics.wallNanos
       metrics("numWrittenFiles") += operatorMetrics.numWrittenFiles
     }
   }