[Bug] Continuous Heap Usage Increase

[oh0873]

Code of Conduct

• I agree to follow this project's Code of Conduct

Search before asking

• I have searched in the issues and found no similar issues.

Describe the bug

Kyuubi Heap usage is keep increasing eventually causing a Out Of Memory Kill.

Based on Heapdump ST Token Cache never gets freed up causing continuous increase.
Total of 14971243 instances occupying 898274580 bytes.

Here's a graph showing kyuubi heap usage over few days.

ST Token is used during LDAP Authentication. Any application that uses LDAP is vulnerable to this Memory Leak behavior.

Affects Version(s)

1.10.3

Kyuubi Server Log Output

Total of 14971243 instances occupying 898274580 bytes.

Kyuubi Engine Log Output

Kyuubi Server Configurations

Kyuubi Engine Configurations

Additional context

No response

Are you willing to submit PR?

• Yes. I would be willing to submit a PR with guidance from the Kyuubi community to fix.
• No. I cannot submit a PR at this time.