对表 DROP COLUMN 后如何让 TiKV 释放磁盘容量

show global status;

Ssl_cipher	
Ssl_cipher_list	
Ssl_server_not_after	
Ssl_server_not_before	
Ssl_verify_mode	0
Ssl_version	
Uptime	2428564
ddl_schema_version	3000
server_id	251d80aa-383c-4eee-9325-ba6ea85846ba
tidb_gc_last_run_time	20240826-16:12:06.258 +0800
tidb_gc_leader_desc	host:bigdata-tidb-0, pid:1, start at 2024-07-29 13:39:06.254791482 +0800 CST m=+0.266542673
tidb_gc_leader_lease	20240826-16:17:06.264 +0800
tidb_gc_leader_uuid	643f3ff8584001b
tidb_gc_safe_point	20240826-16:02:06.258 +0800

GC 应该都是好的,我的场景是 DROP COLUMN,不是删表、删行、删 Index。
DROP COLUMN 应该是个元数据变更操作,但我希望它能真的重新组织数据。