swuferhong opened a new issue, #1377: URL: https://github.com/apache/fluss/issues/1377
### Search before asking - [x] I searched in the [issues](https://github.com/alibaba/fluss/issues) and found nothing similar. ### Fluss version 0.7.0 (latest release) ### Please describe the bug 🐞 Under large-scale data testing, every `tabletServer` in the Fluss cluster exhibited excessive mmap memory usage, as shown in the figure below Almost 300GB): <img width="3200" height="654" alt="Image" src="https://github.com/user-attachments/assets/8df51b9f-5489-40ae-88da-a5c791aa102b"; /> Using `pmap -x <PID>` to show the mmap usage, found that there are too many deleted index or timeIndex files ref stale in mmap as follow: <img width="1770" height="970" alt="Image" src="https://github.com/user-attachments/assets/afcba221-291b-4941-b0f4-9cf3b4345a22"; /> Only when the G1 Mixed GC is triggered will these objects be reclaimed. ### Solution _No response_ ### Are you willing to submit a PR? - [x] I'm willing to submit a PR! -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
