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MySQL 8.0 Reference Manual  /  ...  /  The ndbinfo arbitrator_validity_summary Table

22.5.10.2 The ndbinfo arbitrator_validity_summary Table

The arbitrator_validity_summary table provides a composite view of the arbitrator with regard to the cluster's data nodes.

The following table provides information about the columns in the arbitrator_validity_summary table. For each column, the table shows the name, data type, and a brief description. Additional information can be found in the notes following the table.

Table 22.363 Columns of the arbitrator_validity_summary table

Column Name Type Description
arbitrator integer Node ID of arbitrator
arb_ticket string Internal identifier used to track arbitration
arb_connected Yes or No Whether this arbitrator is connected to the cluster
consensus_count integer Number of data nodes that see this node as arbitrator

In normal operations, this table should have only 1 row for any appreciable length of time. If it has more than 1 row for longer than a few moments, then either not all nodes are connected to the arbitrator, or all nodes are connected, but do not agree on the same arbitrator.

The arbitrator column shows the arbitrator's node ID.

arb_ticket is the internal identifier used by this arbitrator.

arb_connected shows whether this node is connected to the cluster as an arbitrator.


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