kaijchen commented on a change in pull request #2628:
URL: https://github.com/apache/ozone/pull/2628#discussion_r706010403



##########
File path: 
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/helpers/ChunkUtils.java
##########
@@ -256,12 +257,21 @@ public static boolean validateChunkForOverwrite(File 
chunkFile,
   public static boolean isOverWriteRequested(File chunkFile, ChunkInfo
       chunkInfo) {
 
-    if (!chunkFile.exists()) {
+    long offset = chunkInfo.getOffset();
+    try {
+      FileInputStream inputStream = new FileInputStream(chunkFile);
+      inputStream.getChannel().position(offset);

Review comment:
       Can you give an example of inputs, when your code and the original code 
will return different results?




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