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MySQL 5.6 Reference Manual
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Excerpts from this Manual Issues Exclusive to MySQL Cluster

The following are limitations specific to the NDB storage engine:

  • Machine architecture.  All machines used in the cluster must have the same architecture. That is, all machines hosting nodes must be either big-endian or little-endian, and you cannot use a mixture of both. For example, you cannot have a management node running on a PowerPC which directs a data node that is running on an x86 machine. This restriction does not apply to machines simply running mysql or other clients that may be accessing the cluster's SQL nodes.

  • Binary logging.  MySQL Cluster has the following limitations or restrictions with regard to binary logging:

  • Schema operations (DDL statements) are rejected while any data node restarts.

See also Section, “Limitations Relating to Multiple MySQL Cluster Nodes”.

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