test

 

gh-ost --user=root  \
--password=root \
--host=5.5.5.101 \
--port=3306 \
--database=lxddb \
--table=t123 \
--alter=" add column age int(10) NOT NULL DEFAULT '18' COMMENT '年龄',add index idx_t123_age(age)" \
--allow-on-master  \
--assume-rbr  \
--initially-drop-old-table \
--initially-drop-ghost-table \
--ok-to-drop-table \
--cut-over-lock-timeout-seconds=10 \
--serve-socket-file /tmp/test-gh-ost.sock \
--replica-server-id 88888 --execute