This release incorporates new features in the
NDB storage engine and fixes
recently discovered bugs in previous MySQL Cluster NDB 7.0
Obtaining MySQL Cluster NDB 7.0. The latest MySQL Cluster NDB 7.0 binaries for supported platforms can be obtained from http://dev.mysql.com/downloads/cluster/. Source code for the latest MySQL Cluster NDB 7.0 release can be obtained from the same location. You can also access the MySQL Cluster NDB 7.0 development source tree at https://code.launchpad.net/~mysql/mysql-server/mysql-cluster-7.0.
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 5.1 through MySQL 5.1.56 (see Changes in MySQL 5.1.56 (2011-03-01)).
Please refer to our bug database at http://bugs.mysql.com/ for more details about the individual bugs fixed in this version.
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
TABLE statement was executing resulted in a hung
connection (and the user was not informed of any error that
would cause this to happen).
References: See also Bug #13407848.
Under certain circumstances, the
in the output of
STATUS for a replicated slave
NDB table could be misreported as
many times larger than the result of
COUNT(*) on the same table.