table of Contents
Database Cluster
replication is asynchronous transfer, as long as written in a node, even if successful, can not guarantee that can be synchronized to other nodes.
Open 2377swarm cluster communication port:
2377 port is to allow other nodes added to the swarm cluster to port, port communicate with each other between the swarm cluster virtual network is 7946 and 4789.
So to modify the parameters B and grastate.dat under grastate.dat A container container under the data volume in the data volume, so B may be started in the master node.
The master node enters the profile data volumes directory:
changed to 1:
