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17.1.6 Known Limitations of MySQL Cluster

In the sections that follow, we discuss known limitations in current releases of MySQL Cluster as compared with the features available when using the MyISAM and InnoDB storage engines. If you check the Cluster category in the MySQL bugs database at, you can find known bugs in the following categories under MySQL Server: in the MySQL bugs database at, which we intend to correct in upcoming releases of MySQL Cluster:

  • MySQL Cluster

  • Cluster Direct API (NDBAPI)

  • Cluster Disk Data

  • Cluster Replication

  • ClusterJ

This information is intended to be complete with respect to the conditions just set forth. You can report any discrepancies that you encounter to the MySQL bugs database using the instructions given in Section 1.7, “How to Report Bugs or Problems”. If we do not plan to fix the problem in MySQL Cluster NDB 7.1, we will add it to the list.

See Section, “Previous MySQL Cluster Issues Resolved in MySQL 5.1, MySQL Cluster NDB 6.x, and MySQL Cluster NDB 7.x” for a list of issues in MySQL Cluster in MySQL 5.0 that have been resolved in the current version.


Limitations and other issues specific to MySQL Cluster Replication are described in Section 17.6.3, “Known Issues in MySQL Cluster Replication”.

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