4 responses to “MySQL Cluster 7.2.8 Released”

• 

  dpk October 22nd, 2012 at 21:07

  Do you know of a MySQL Cluster upgrade guide? Specifically, a guide to upgrading to a new minor release (7.2.6 to 7.2.8)? I think we may be affected by a bug fixed in 7.2.8.

• 

  andrew October 23rd, 2012 at 08:55

  Upgrades isn’t the most documented process for MySQL Cluster but it’s fairly straight-forward. Simply stop each process and then restart it using the new binary. By restarting one process at a time, the database stays up through the whole process. You should upgrade the management nodes first, data nodes second and then finally the MySQL Servers.

  Andrew.

• 

  Al November 1st, 2012 at 08:32

  Hi! I’m doing a school project on fault tolerance and have setup a small database cluster using MySQL Cluster 7.2.8, by following the guide provided on the mysql website: http://downloads.mysql.com/tutorials/cluster/GetMySQLClusterRunning-Windows.pdf

  While I can create and update tables using the mysql command line client provided, I’ve been trying to perform these operations from a Java application and came across your tutorials on using ClusterJ and ClusterJPA.

  I tried to follow the instructions from http://dev.mysql.com/doc/ndbapi/en/mccj-getting.html#mccj-getting-build-install to get the .jar files so that I could follow your tutorial, but I’m afraid I’m a complete novice at this and am unable to see how to ‘configure the build to include ClusterJPA and ClusterJ support’ when the current cluster I have didn’t seem to have been set up with this build step. It didn’t require any installation or command-line configuration, I just unzipped the download directly to my C:/ drive and created the appropriate my.cnf and config.ini files. I tried checking the /share folder after my cluster was running (hoping that meant it had been installed properly) but it did not contain a mysql/java folder, only multiple folders titled with the names of languages.

  Do you know how I can get the appropriate .jar files from MySQL Cluster 7.2.8? Or any other places where I could download them directly? I’m really sorry for bothering you with this question but I haven’t been able to find any solutions elsewhere and you seem very knowledgeable about the MySQL Cluster.

  Thank you very much. Apologies for all the inconvenience caused.

• 

  andrew November 1st, 2012 at 10:36

  Hi Al,

  there is an issue with the 7.2.8 Windows package in that it doesn’t contain the ClusterJ jars! You’ve a couple of options:

  1) Wait for 7.2.9
  2) Extract the jars from the 7.2.8 Linux package (they should work just as well on Windows).

  Andrew.