CANCEL DECOMMISSION BACKEND
描述
该语句用于撤销一个节点下线操作。(仅管理员使用!)
语法:
- 通过 host 和 port 查找 backend
CANCEL DECOMMISSION BACKEND "host:heartbeat_port"[,"host:heartbeat_port"...];
- 通过 backend_id 查找 backend
CANCEL DECOMMISSION BACKEND "id1","id2","id3...";
示例
-
取消两个节点的下线操作:
CANCEL DECOMMISSION BACKEND "host1:port", "host2:port";
-
取消 backend_id 为 1 的节点的下线操作:
CANCEL DECOMMISSION BACKEND "1","2";
关键词
CANCEL, DECOMMISSION, CANCEL ALTER