[I] [Enhancement] Constructing the GetMessageResult consumes significant performance when there is a high volume of pop requests [rocketmq]

[via GitHub]

RongtongJin opened a new issue, #7453:
URL: https://github.com/apache/rocketmq/issues/7453

   ### Before Creating the Enhancement Request
   
   - [X] I have confirmed that this should be classified as an enhancement 
rather than a bug/feature.
   
   
   ### Summary
   
   
   Constructing the GetMessageResult consumes significant performance when 
there is a high volume of pop requests
   
   
![image](https://github.com/apache/rocketmq/assets/21963954/524f9f24-31d6-454a-a837-a2eeabc7c19c)
   
   Incorrect use of commercialSizePerMsg as initialization size during 
construction
   
   
![image](https://github.com/apache/rocketmq/assets/21963954/6ac0e603-5a01-45e0-9eec-4e5029093255)
   
   
   ### Motivation
   
   Constructing the GetMessageResult consumes significant performance when 
there is a high volume of pop requests
   
   
![image](https://github.com/apache/rocketmq/assets/21963954/524f9f24-31d6-454a-a837-a2eeabc7c19c)
   
   Incorrect use of commercialSizePerMsg as initialization size during 
construction
   
   
![image](https://github.com/apache/rocketmq/assets/21963954/6ac0e603-5a01-45e0-9eec-4e5029093255)
   
   
   ### Describe the Solution You'd Like
   
   Use the maximum number of messages obtained this time as the initialization 
size
   
   ### Describe Alternatives You've Considered
   
   No
   
   ### Additional Context
   
   _No response_


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