diff --git a/app/src/main/java/org/astraea/app/performance/Performance.java b/app/src/main/java/org/astraea/app/performance/Performance.java
index 1942c6398d..dfb6eafa7f 100644
--- a/app/src/main/java/org/astraea/app/performance/Performance.java
+++ b/app/src/main/java/org/astraea/app/performance/Performance.java
@@ -130,6 +130,8 @@ public static List<String> execute(final Argument param) {
                           () -> producerThreads.stream().allMatch(AbstractThread::closed),
                           param.logInterval,
                           List.of(
+                              ReportFormat.CSVContentElement.create(
+                                  "size", () -> String.valueOf(sizes.get().sum())),
                               ReportFormat.CSVContentElement.create(
                                   "max size", () -> String.valueOf(sizes.get().max().getAsLong())),
                               ReportFormat.CSVContentElement.create(