This is a new Beta development release, incorporating new
features in the
NDB storage engine
and fixing recently discovered bugs in MySQL Cluster NDB 6.4.1.
Obtaining MySQL Cluster NDB 6.4.2. MySQL Cluster NDB 6.4.2 is a source-only release. You can obtain the source code from ftp://ftp.mysql.com/pub/mysql/download/cluster_telco/mysql-5.1.31-ndb-6.4.2/.
This Beta release incorporates all bugfixes and changes made in previous MySQL Cluster NDB 6.1, 6.2, 6.3, and 6.4 releases, as well as all bugfixes and feature changes which were added in mainline MySQL 5.1 through MySQL 5.1.31 (see Changes in MySQL 5.1.31 (2009-01-19)).
This Beta release, as any other pre-production release, should not be installed on production level systems or systems with critical data. Please refer to our bug database at http://bugs.mysql.com/ for more details about the individual bugs fixed in this version.
Connections using IPv6 were not handled correctly by mysqld. (Bug #42413)
References: See also Bug #42412, Bug #38247.
When a cluster backup failed with Error 1304 (Node
node_id1: Backup request from
node_id2 failed to start), no clear
reason for the failure was provided.
As part of this fix, MySQL Cluster now retries backups in the event of sequence errors. (Bug #42354)
References: See also Bug #22698.
When using ndbmtd, setting
MaxNoOfExecutionThreads to a
value higher than the actual number of cores available and with
caused the data nodes to crash.
The fix for this issue changes the behavior of
ndbmtd such that its internal job buffers no
longer rely on
NDBCLUSTER STATUS on an SQL node before the management
server had connected to the cluster caused
mysqld to crash.