This is a new source release, fixing recently discovered bugs in previous MySQL Cluster releases.
MySQL Cluster NDB 6.3 no longer in development. MySQL Cluster NDB 6.3 is no longer being actively developed; if you are using a MySQL Cluster NDB 6.3 release, you should upgrade to the latest version of MySQL Cluster, which is available from http://dev.mysql.com/downloads/cluster/ .
Obtaining MySQL Cluster NDB 6.3. This is a source-only release, which you must compile and install using the instructions found in Installing MySQL from Source, and in MySQL Cluster Installation and Upgrades. You can download the GPL source tarball from the MySQL FTP site at ftp://ftp.mysql.com/pub/mysql/download/cluster_telco/.
This 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 5.1.24 (see Changes in MySQL 5.1.24 (2008-04-08)).
Please refer to our bug database at http://bugs.mysql.com/ for more details about the individual bugs fixed in this version.
Event buffer lag reports are now written to the cluster log. (Bug #37427)
--no-binlogoption for ndb_restore. When used, this option prevents information being written to SQL node binary logs from the restoration of a cluster backup. (Bug #30452)
Cluster API: Changing the system time on data nodes could cause MGM API applications to hang and the data nodes to crash. (Bug #35607)
Failure of a data node could sometimes cause mysqld to crash. (Bug #37628)
DELETE ... WHEREdeleted the wrong row from the table. (Bug #37516)
If subscription was terminated while a node was down, the epoch was not properly acknowledged by that node. (Bug #37442)
libmysqldfailed to wait for the cluster binary log thread to terminate before exiting. (Bug #37429)
In rare circumstances, a connection followed by a disconnection could give rise to a “stale” connection where the connection still existed but was not seen by the transporter. (Bug #37338)
Cluster Replication: Data was written to the binary log with
--log-slave-updatesdisabled. (Bug #37472)
Cluster API: When some operations succeeded and some failed following a call to
NdbTransaction::execute(Commit, AO_IgnoreOnError), a race condition could cause spurious occurrences of NDB API Error 4011 (Internal error). (Bug #37158)
Cluster API: Creating a table on an SQL node, then starting an NDB API application that listened for events from this table, then dropping the table from an SQL node, prevented data node restarts. (Bug #32949, Bug #37279)
Cluster API: A buffer overrun in
NdbBlob::setValue()caused erroneous results on OS X. (Bug #31284)