GTID
Row Based Replication (RBR)
mixed binlog format
keepalived
split brain
read only
errant GTID
slave_net_timeout
MASTER_CONNECT_RETRY
MASTER_RETRY_COUNT
MASTER_HEARTBEAT_PERIOD
DelayMasterPromotionIfSQLThreadNotUpToDate
true
InstancePollSeconds
RecoveryPollSeconds
kill -9
docker-compose stop
iptables -j REJECT
iptables -j DROP