showuon commented on code in PR #16959:
URL: https://github.com/apache/kafka/pull/16959#discussion_r1732648345


##########
core/src/main/java/kafka/log/remote/RemoteLogManager.java:
##########
@@ -1254,7 +1265,10 @@ void cleanupExpiredRemoteLogSegments() throws 
RemoteStorageException, ExecutionE
                         canProcess = false;
                         continue;
                     }
-                    if 
(RemoteLogSegmentState.DELETE_SEGMENT_FINISHED.equals(metadata.state())) {
+                    // skip the COPY_SEGMENT_STARTED segments since they might 
be the dangling segments that failed before
+                    // and blocks the normal segment deletion, ex: it failed 
`isRemoteSegmentWithinLeaderEpochs` check... etc
+                    if 
(RemoteLogSegmentState.DELETE_SEGMENT_FINISHED.equals(metadata.state()) ||
+                            
RemoteLogSegmentState.COPY_SEGMENT_STARTED.equals(metadata.state())) {

Review Comment:
   Yes, that's indeed a place we can improve! I've added the comment into 
[KAFKA-17428](https://issues.apache.org/jira/browse/KAFKA-17428). Thanks.



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