# 🔍 Description
## Issue References 🔗
This pull request fixes#5795
## Describe Your Solution 🔧
Create a single daemon thread to traverse cache map periodically, which will evict expired cache and trigger a pod clean up operation.
## Types of changes 🔖
- [ ] Bugfix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to change)
## Test Plan 🧪
#### Behavior Without This Pull Request ⚰️
#### Behavior With This Pull Request 🎉
#### Related Unit Tests
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# Checklists
## 📝 Author Self Checklist
- [x] My code follows the [style guidelines](https://kyuubi.readthedocs.io/en/master/contributing/code/style.html) of this project
- [ ] I have performed a self-review
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] This patch was not authored or co-authored using [Generative Tooling](https://www.apache.org/legal/generative-tooling.html)
## 📝 Committer Pre-Merge Checklist
- [x] Pull request title is okay.
- [x] No license issues.
- [x] Milestone correctly set?
- [ ] Test coverage is ok
- [x] Assignees are selected.
- [x] Minimum number of approvals
- [x] No changes are requested
**Be nice. Be informative.**
Closes#5806 from liaoyt/master.
Closes#5795
75c2b68cc [yeatsliao] cleanup driver pod periodically
Authored-by: yeatsliao <liaoyt66066@gmail.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>