This is a new Beta development release, fixing recently discovered bugs in previous MySQL Cluster NDB 6.3 releases.
Obtaining MySQL Cluster NDB 6.3. This is a source-only release, which you must compile and install using the instructions found in Section 2.3, “MySQL Installation Using a Source Distribution”, and in Section 17.2.1, “MySQL Cluster Multi-Computer Installation”. You can download the GPL source tarball from the MySQL FTP site at ftp://ftp.mysql.com/pub/mysql/download/cluster_telco/.
This Beta release incorporates all bugfixes and changes made in the previous MySQL Cluster NDB 6.3 release, as well as all bugfixes and feature changes which were added in mainline MySQL 5.1 through MySQL 5.1.22 (see Section C.1.30, “Changes in MySQL 5.1.22 (24 September 2007 Release Candidate)”).
Please refer to our bug database at http://bugs.mysql.com/ for more details about the individual bugs fixed in this version.
Functionality added or changed:
        Mapping of NDB error codes to MySQL
        storage engine error codes has been improved.
       (Bug#28423)
Cluster Replication: Replication: 
        A server status variable ndb_conflict_fn_max
        now provides a count of the number of times that conflict
        resolution for MySQL Cluster Replication has been applied.
      
See Section 17.6.11, “MySQL Cluster Replication Conflict Resolution”, for more information.
Bugs fixed:
Partitioning: 
        EXPLAIN
        PARTITIONS reported partition usage by queries on
        NDB tables according to the
        standard MySQL hash function than the hash function used in the
        NDB storage engine.
       (Bug#29550)
Attempting to restore a backup made on a cluster host using one endian to a machine using the other endian could cause the cluster to fail. (Bug#29674)
        The description of the --print option provided
        in the output from ndb_restore --help
         was incorrect.
       (Bug#27683)
        Restoring a backup made on a cluster host using one endian to a
        machine using the other endian failed for
        BLOB and
        DATETIME columns.
       (Bug#27543, Bug#30024)
        Errors could sometimes occur during an online ADD
        COLUMN under load.
       (Bug#31082)


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