The Replication Overview page displays the current status of all monitored replication topologies.
The overview is displayed if you select Replication on the Dashboards menu for the first time in a session. To open the overview while viewing a replication topology, select the Show Replication Overview button adjacent to the Replication Topology selection menu.
The overview displays the following:
Topologies at a glance: displays the numbers of
Replication Topologies: the total number of monitored replication topologies.
MySQL Instances: the total number of instances in the replication topologies.
Unreachable: the number of instances which were monitored but are not currently responding.
Replication Errors: the total number of replication errors.
Stopped Replicas: the total number of replicas which are no longer running.
Replication Delay - Max Per Instance: graphs the replication delay for all monitored nodes.
Unreachable Instances: lists the instances which were monitored but are not currently responding.
Instances With Replication Errors: lists the names of all the instances reporting replication errors, and the groups to which they belong. To open the group, click on the group name.
Instances With Replication Stopped: lists the names of all the instances no longer replicating, and the groups to which they belong. To open the group, click on the group name.
Refresh intervals are disabled when the Replication Overview is displayed.