17.1.6.8. Issues Exclusive to MySQL Cluster

The following are limitations specific to the NDBCLUSTER 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:
- sql_log_bin has no effect on data operations; however, it is supported for schema operations.
- MySQL Cluster cannot produce a binary log for tables having BLOB columns but no primary key.
- Only the following schema operations are logged in a cluster binary log which is not on the mysqld executing the statement: