[perf][COM][kerberos] optimize keytab file caching to prevent full gc issues

[v-kkhuang]

Search before asking

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

Linkis Component

• linkis-commons
• linkis-computation-governance
• linkis-dist
• linkis-engineconn-plugin
• linkis-extensions
• linkis-orchestrator
• linkis-public-enhancements
• linkis-spring-cloud-services
• linkis-web

Description

Keytab file caching mechanism causes Full GC issues, affecting system performance and stability.

Steps to reproduce

1. Enable keytab authentication
2. Run for an extended period
3. Monitor JVM memory usage

Expected behavior

Keytab file caching should not cause Full GC and should be optimized for better memory management.

Your environment

• Linkis version used: 2.0.0
• Environment name and version:
  • hadoop-3.3.4
  • hive-2.3.3
  • spark-2.4.3/3.3.0
  • scala-2.11.12
  • jdk 1.8.0_xxx

Anything else

This is a performance optimization to improve system stability in Kerberos authentication scenarios.

Are you willing to submit a PR?

• Yes I am willing to submit a PR!

[github-actions]

😊 Welcome to the Apache Linkis community!!

We are glad that you are contributing by opening this issue.

Please make sure to include all the relevant context.
We will be here shortly.

If you are interested in contributing to our website project, please let us know!
You can check out our contributing guide on
👉 How to Participate in Project Contribution.

Community

WeChat Assistant	WeChat Public Account

Mailing Lists

Name	Description	Subscribe	Unsubscribe	Archive
dev@linkis.apache.org	community activity information	subscribe	unsubscribe	archive