MariaDB/MySQL Environment MyEnv 2.0.2 has been released

FromDual has the pleasure to announce the release of the new version 2.0.2 of its popular MariaDB, Galera Cluster and MySQL multi-instance environment MyEnv.

The new MyEnv can be downloaded here. How to install MyEnv is described in the MyEnv Installation Guide.

In the inconceivable case that you find a bug in the MyEnv please report it to the FromDual bug tracker.

Any feedback, statements and testimonials are welcome as well! Please send them to feedback@fromdual.com.

Upgrade from 1.1.x to 2.0

Please look at the MyEnv 2.0.0 Release Notes.

Upgrade from 2.0.x to 2.0.2

shell> cd ${HOME}/product
shell> tar xf /download/myenv-2.0.2.tar.gz
shell> rm -f myenv
shell> ln -s myenv-2.0.2 myenv

Plug-ins

If you are using plug-ins for showMyEnvStatus create all the links in the new directory structure:

shell> cd ${HOME}/product/myenv
shell> ln -s ../../utl/oem_agent.php plg/showMyEnvStatus/

Upgrade of the instance directory structure

From MyEnv 1.0 to 2.0 the directory structure of instances has fundamentally changed. Nevertheless MyEnv 2.0 works fine with MyEnv 1.0 directory structures.

Changes in MyEnv 2.0.2

MyEnv

• Error message fixed.
• bind_address 0.0.0.0 is optimized to *.
• State up and down are coloured now.
• Complaint on missing symbolic link to my.cnf added.
• New start-timeout configuration variable added. Important for Galera SST.
• Default MariaDB my.cnf hash added to avoid complaints.
• mysqld is consistently searched in sbin, bin and libexec now for RHEL/CentOS 7 compatibility.
• Avoid EGPCS error messages during MyEnv start/stop.
• Not used aReleaseVersion removed, side effect is to not have performance issues any more on up in huge MyEnv set-ups with older MySQL releases.

MyEnv Installer

• Function answerQuestion on previous error message works now.
• Try and catch for existing configuration file improved.
• Default answer is "q" on error and instance name and blacklist name check is fixed.
• myenv.conf backup file has a correct timestamp now.
• Create symlink to datadir for my.cnf.
• Purge of database is done from instancedir and not datadir any more.

MyEnv Utilities

• galera_monitor.sh output made nicer.
• Script az_test.php added, initial test found already a bug in MariaDB 10.3.
• Script slave_monitor.sh added.
• Option check made more careful for drop_partition.php and merge_partition.php.
• Timestamp problem fixed for year change in split_partition.php.

For subscriptions of commercial use of MyEnv please get in contact with us.