diff --git a/hudi-client/hudi-client-common/src/main/java/org/apache/hudi/io/HoodieMergeHandle.java b/hudi-client/hudi-client-common/src/main/java/org/apache/hudi/io/HoodieMergeHandle.java
index cbcf38239..7e6f1b36a 100644
--- a/hudi-client/hudi-client-common/src/main/java/org/apache/hudi/io/HoodieMergeHandle.java
+++ b/hudi-client/hudi-client-common/src/main/java/org/apache/hudi/io/HoodieMergeHandle.java
@@ -246,9 +246,9 @@ public class HoodieMergeHandle<T extends HoodieRecordPayload, I, K, O> extends H
     }
     LOG.info("Number of entries in MemoryBasedMap => "
         + ((ExternalSpillableMap) keyToNewRecords).getInMemoryMapNumEntries()
-        + "Total size in bytes of MemoryBasedMap => "
-        + ((ExternalSpillableMap) keyToNewRecords).getCurrentInMemoryMapSize() + "Number of entries in BitCaskDiskMap => "
-        + ((ExternalSpillableMap) keyToNewRecords).getDiskBasedMapNumEntries() + "Size of file spilled to disk => "
+        + ", Total size in bytes of MemoryBasedMap => "
+        + ((ExternalSpillableMap) keyToNewRecords).getCurrentInMemoryMapSize() + ", Number of entries in BitCaskDiskMap => "
+        + ((ExternalSpillableMap) keyToNewRecords).getDiskBasedMapNumEntries() + ", Size of file spilled to disk => "
         + ((ExternalSpillableMap) keyToNewRecords).getSizeOfFileOnDiskInBytes());
   }
 
diff --git a/hudi-kafka-connect/src/main/java/org/apache/hudi/connect/writers/BufferedConnectWriter.java b/hudi-kafka-connect/src/main/java/org/apache/hudi/connect/writers/BufferedConnectWriter.java
index 0e92e674d..111c74f3a 100644
--- a/hudi-kafka-connect/src/main/java/org/apache/hudi/connect/writers/BufferedConnectWriter.java
+++ b/hudi-kafka-connect/src/main/java/org/apache/hudi/connect/writers/BufferedConnectWriter.java
@@ -96,9 +96,9 @@ public class BufferedConnectWriter extends AbstractConnectWriter {
     try {
       LOG.info("Number of entries in MemoryBasedMap => "
           + bufferedRecords.getInMemoryMapNumEntries()
-          + "Total size in bytes of MemoryBasedMap => "
-          + bufferedRecords.getCurrentInMemoryMapSize() + "Number of entries in BitCaskDiskMap => "
-          + bufferedRecords.getDiskBasedMapNumEntries() + "Size of file spilled to disk => "
+          + ", Total size in bytes of MemoryBasedMap => "
+          + bufferedRecords.getCurrentInMemoryMapSize() + ", Number of entries in BitCaskDiskMap => "
+          + bufferedRecords.getDiskBasedMapNumEntries() + ", Size of file spilled to disk => "
           + bufferedRecords.getSizeOfFileOnDiskInBytes());
       List<WriteStatus> writeStatuses = new ArrayList<>();