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Oracle Enterprise Manager for MySQL Database User's Guide
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6.21 NDB Activity Metrics

Lists the NDB Activity metrics and provides a brief description of each.

Table 6.21 NDB Activity Metrics

NameDescription
Conflict Fn Max (Delta)This variable shows the number of times that a row was not applied on the current SQL node due to 'greatest timestamp wins' conflict resolution since the last time that this mysqld was started.
Conflict Fn Old (Delta)This variable shows the number of times that a row was not applied as the result of 'same timestamp wins' conflict resolution on a given mysqld since the last time it was restarted.
Number Of Data NodesIf the server is part of a MySQL Cluster, the value of this variable is the number of data nodes in the cluster.
Number Of Ready Data NodesThe number of running MySQL Cluster data nodes.