**Feature Summary** Introduce a periodic scan to remove garbage left by aborted writes, which never trigger gc. <!-- What new feature do you want to add? --> **Motivation** <!-- Why is this feature needed? What problem does it solve? --> **Proposed Solution** <!-- How do you imagine it being implemented or used? -->
Feature Summary
Introduce a periodic scan to remove garbage left by aborted writes, which never trigger gc.
Motivation
Proposed Solution