drpmma commented on code in PR #6623:
URL: https://github.com/apache/rocketmq/pull/6623#discussion_r1174728921


##########
broker/src/main/java/org/apache/rocketmq/broker/processor/PopBufferMergeService.java:
##########
@@ -402,9 +402,14 @@ private boolean checkQueueOk(PopCheckPointWrapper 
pointWrapper) {
      * @param nextBeginOffset
      * @return
      */
-    public void addCkJustOffset(PopCheckPoint point, int reviveQueueId, long 
reviveQueueOffset, long nextBeginOffset) {
+    public boolean addCkJustOffset(PopCheckPoint point, int reviveQueueId, 
long reviveQueueOffset, long nextBeginOffset) {
         PopCheckPointWrapper pointWrapper = new 
PopCheckPointWrapper(reviveQueueId, reviveQueueOffset, point, nextBeginOffset, 
true);
 
+        if (this.counter.get() > 
brokerController.getBrokerConfig().getPopCkMaxBufferSize()) {

Review Comment:
   The `addCkJustOffset` will only be invoked when add ck to buffer failed.
   So this condition will always be true and this method will always return 
false.
   
   See addCk
   
https://github.com/apache/rocketmq/blob/8410785ef9d0bd2d2387bb5a706d84a4971356be/broker/src/main/java/org/apache/rocketmq/broker/processor/PopBufferMergeService.java#L447-L467



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