MySQL Cluster NDB 7.2.4 is the first General
Availability release in the MySQL Cluster NDB 7.2
release series, incorporating new features in the
NDB storage engine and fixing
recently discovered bugs in previous MySQL Cluster NDB 7.2
Obtaining MySQL Cluster NDB 7.2. MySQL Cluster NDB 7.2 source code and binaries can be obtained from http://dev.mysql.com/downloads/cluster/.
This release also incorporates all bugfixes and changes made in previous MySQL Cluster releases, as well as all bugfixes and feature changes which were added in mainline MySQL 5.5 through MySQL 5.5.19 (see Changes in MySQL 5.5.19 (2011-12-08)).
Important Change: A mysqld process joining a MySQL Cluster where distributed privileges are in use now automatically executes a
FLUSH PRIVILEGESas part of the connection process, so that the cluster's distributed privileges take immediate effect on the new SQL node. (Bug #13340854)
Packaging: RPM distributions of MySQL Cluster NDB 7.1 contained a number of packages which in MySQL Cluster NDB 7.2 have been merged into the
MySQL-Cluster-serverRPM. However, the MySQL Cluster NDB 7.2
MySQL-Cluster-serverRPM did not actually obsolete these packages, which meant that they had to be removed manually prior to performing an upgrade from a MySQL Cluster NDB 7.1 RPM installation.
These packages include the
For more information, see Installing MySQL Cluster from RPM. (Bug #13545589)
Accessing a table having a
BLOBcolumn but no primary key following a restart of the SQL node failed with Error 1 (Unknown error code). (Bug #13563280)
At the beginning of a local checkpoint, each data node marks its local tables with a “to be checkpointed” flag. A failure of the master node during this process could cause either the LCP to hang, or one or more data nodes to be forcibly shut down. (Bug #13436481)
A node failure while a
ANALYZE TABLEstatement was executing resulted in a hung connection (and the user was not informed of any error that would cause this to happen). (Bug #13416603)
References: See also Bug #13407848.
Cluster Replication: Under certain circumstances, the
Rowscount in the output of
SHOW TABLE STATUSfor a replicated slave
NDBtable could be misreported as many times larger than the result of
SELECT COUNT(*)on the same table. (Bug #13440282)