smengcl commented on code in PR #4264:
URL: https://github.com/apache/ozone/pull/4264#discussion_r1122492501


##########
hadoop-ozone/common/src/main/java/org/apache/hadoop/ozone/snapshot/SnapshotDiffReport.java:
##########
@@ -199,14 +208,20 @@ public List<DiffReportEntry> getDiffList() {
   @Override
   public String toString() {
     StringBuilder str = new StringBuilder();
-    String from = "snapshot " + fromSnapshot;
-    String to = "snapshot " + toSnapshot;
-    str.append("Difference between ").append(from).append(" and ").append(to)
-        .append(":")
+    str.append("Difference between snapshot: ")
+        .append(fromSnapshot)
+        .append(" and snapshot: ")
+        .append(toSnapshot)
+        .append(",")

Review Comment:
   Is this comma necessary?



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