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Can Data Nodes be split geographically?

April 26, 2017Data geographically nodes Split

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10 Posted

Can Data Nodes be split geographically?

2 Answers

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It is not recommended. There should not be too much latency between Data Nodes in the cluster, so typically they will be in the same data center or blade rack. However, MySQL Cluster 6.2 and above supports geographical redundancy you may have 2 separate Cluster installations in a master-slave configuration. This is type of replication is asynchronous as opposed to the synchronous replication between data nodes within a single Cluster installation.

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It is not recommended or supported. There should not be too much latency between Data Nodes in the cluster, so typically they will be in the same data center or rack. However, MySQL Cluster supports geographic replication so that you may have 2 separate Cluster installations in a master-slave configuration. This type of replication is asynchronous as opposed to the synchronous replication between data nodes within a single Cluster installation and so network latency does not impact the performance of the application.