klion26 commented on a change in pull request #13180:
URL: https://github.com/apache/flink/pull/13180#discussion_r473623138



##########
File path: 
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/AsyncCheckpointRunnable.java
##########
@@ -129,12 +129,10 @@ public void run() {
                                        checkpointMetaData.getCheckpointId());
                        }
                } catch (Exception e) {
-                       if (LOG.isDebugEnabled()) {
-                               LOG.debug("{} - asynchronous part of checkpoint 
{} could not be completed.",
-                                       taskName,
-                                       checkpointMetaData.getCheckpointId(),
-                                       e);
-                       }
+                       LOG.info("{} - asynchronous part of checkpoint {} could 
not be completed.",

Review comment:
       Honestly, I haven't had that to me. I agree that in most cases this 
would not happen(as my last reply said), I’m not against this change, but this 
may happen when we set checkpoint interval to very small(maybe in test).   
   1) we only count `CHECKPOINT_DECLINED` and `CHECKPOINT_EXPIRED` in 
`CheckpointFailureManager`, 2) we'll abort snapshot through 
`notifyCheckpointAbort` if some checkpoint can't complete




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