ALTER-SYSTEM-ADD-OBSERVER
ALTER-SYSTEM-ADD-OBSERVER​
Name​
ALTER SYSTEM ADD OBSERVER
Description​
This statement is to increase the node of the OBSERVER role of FRONTEND, (only for administrators!)
grammar:
ALTER SYSTEM ADD OBSERVER "follower_host:edit_log_port"
illustrate:
- host can be a hostname or an ip address
- edit_log_port : edit_log_port in its configuration file fe.conf
Example​
-
Add an OBSERVER node
ALTER SYSTEM ADD OBSERVER "host_ip:9010"
Keywords​
ALTER, SYSTEM, ADD, OBSERVER, ALTER SYSTEM