RongtongJin closed issue #7904: [Enhancement]Using StringBuilder to concat
string
URL: https://github.com/apache/rocketmq/issues/7904
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ChineseTony opened a new issue, #7904:
URL: https://github.com/apache/rocketmq/issues/7904
### Before Creating the Enhancement Request
- [X] I have confirmed that this should be classified as an enhancement
rather than a bug/feature.
### Summary
In for each case, str
