Note:
This topic has been translated from a Chinese forum by GPT and might contain errors.Original topic: tidbV5.3升级V7.5.1

[TiDB Usage Environment] Production Environment / Testing / PoC
[TiDB Version]
[Reproduction Path] What operations were performed when the issue occurred
[Encountered Issue: Issue Phenomenon and Impact]
[Resource Configuration] Go to TiDB Dashboard - Cluster Info - Hosts and take a screenshot of this page
[Attachments: Screenshots/Logs/Monitoring]
Upgrading has slightly improved performance, with the biggest improvement being a significant reduction in memory usage. TiDB has put a lot of effort into memory optimization.