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In the latest Percona XtraDB cluster version it is possible to make WAN segments so that there is more efficient communication between nodes. If you didn't do that, all nodes would try to replicate to all nodes, which is highly inefficient for Galera. With Galera 3/PXC 5.6, you can establish those so that only one node at a time will replicate to the other ...


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Mock tables were how mysqldump were loaded in older versions of MySQL a long time ago Issue like this existed load of mysqldump script may fail with error 1215 if dest already has tables Foreign keys: mysqldump should respect foreign keys See that last line 2014-11-03 18:01:29 22485 [Note] NDB FK: Created mock table 'NDB$FKM_20_0_aclRole' referenced ...


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I think you are mixing concepts here: Mysql Cluster (assuming you are referring to MySQL NDB Cluster) requires the NDB engine for tables that are part of the cluster. In other words, NDB is the cluster, and MySQL Server, on the SQL layer, requires to use the NDB Cluster storage engine in order to access the data on the cluster. TokuDB is an on-disk ...



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