C Glossary of Cluster Terminology

This book uses a lot of special terminology in reference to MySQL Cluster. This appendix is designed to be a quick reference of what a term means with regard to MySQL Cluster. Each term is defined briefly.

arbitration   Arbitration is the process by which MySQL Cluster prevents a split-brain scenario from occurring. In the event of network failures such that there are possibly two survivable clusters that do not communicate, arbitration is used to decide which set of nodes is allowed to continue running. The arbitrator is the node that is in charge of making this decision.

arbitrator   The arbitrator is the node that is in charge of deciding which set of nodes will remain running in the event of a network ...

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