lizhanhui commented on PR #6571:
URL: https://github.com/apache/rocketmq/pull/6571#issuecomment-1505089544

   This fix is too complex and less performant.
   How about this way: Before entering the critical region, validate and 
serialize the messages, with consume queue offset filled with place holders.  
In the critical region, allocate offsets as before and replace place-holders 
with them. 
   This way, critical region is minimized and CPU-intensive serialization can 
be parallel at the same time.


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