If you don’t refragment the database when adding nodes, you must clear the database and recreate the session store instead, otherwise the session store can’t use the new nodes. You should not add nodes without refragmenting the database unless you can tolerate losing all data stored in the database. However, it may be the best alternative if all of the following conditions are met:
To add nodes without refragmenting, perform the following tasks:
If you do not need to maintain availability, you can disable and re-enable all the server instances at once in the load balancer. This saves time and prevents failover of outdated session data.
cladmin
command.cladmin
command. If you do not need to maintain availability, you can disable and re-enable all the server instances at once in the load balancer. This saves time and prevents failover of outdated session data.