# Does disk space free automatically after reducing RF and running repair?

**URL:** <https://forum.scylladb.com/t/does-disk-space-free-automatically-after-reducing-rf-and-running-repair/5170>\
**Category:** ScyllaDB\
**Tags:** compaction, repair, nodetool, replication\
**Created:** [November 6, 2025, 8:46pm UTC](https://forum.scylladb.com/t/does-disk-space-free-automatically-after-reducing-rf-and-running-repair/5170 "2025-11-06T20:46:45Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Jobin\_Jose](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.scylladb.com/jobin_jose/32/1865_2.png) [@Jobin\_Jose](https://forum.scylladb.com/u/Jobin_Jose)\
**Post date:** [November 6, 2025, 8:46pm UTC](https://forum.scylladb.com/t/does-disk-space-free-automatically-after-reducing-rf-and-running-repair/5170/1 "2025-11-06T20:46:45Z")

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We reduced RF from 3→2 using ALTER KEYSPACE and ran nodetool repair on all 3 nodes. Will disk space be freed automatically through compaction?

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<div class="post-metadata">

**Author:** ![Jobin\_Jose](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.scylladb.com/jobin_jose/32/1865_2.png) [@Jobin\_Jose](https://forum.scylladb.com/u/Jobin_Jose)\
**Post date:** [November 8, 2025, 6:11am UTC](https://forum.scylladb.com/t/does-disk-space-free-automatically-after-reducing-rf-and-running-repair/5170/2 "2025-11-08T06:11:53Z")

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need to run nodetool cleanup keyspace if we are reducing the RF.