# Data retention after deleting a key range using SSD engine

**URL:** <https://forums.foundationdb.org/t/data-retention-after-deleting-a-key-range-using-ssd-engine/2190>\
**Category:** Using FoundationDB\
**Created:** [June 18, 2020, 4:06pm UTC](https://forums.foundationdb.org/t/data-retention-after-deleting-a-key-range-using-ssd-engine/2190 "2020-06-18T16:06:24Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![tuk](https://avatars.discourse-cdn.com/v4/letter/t/b5ac83/32.png) [@tuk](https://forums.foundationdb.org/u/tuk)\
**Post date:** [June 18, 2020, 4:51pm UTC](https://forums.foundationdb.org/t/data-retention-after-deleting-a-key-range-using-ssd-engine/2190/2 "2020-06-18T16:51:05Z")

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Few of your queries are answered in the below discussions

- [Shards are not splitted into smaller ones](https://forums.foundationdb.org/t/shards-are-not-splitted-into-smaller-ones/815)
- [Used disk space dramatically increases while sum of key-value sizes is constant](https://forums.foundationdb.org/t/used-disk-space-dramatically-increases-while-sum-of-key-value-sizes-is-constant/644/7)

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