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。