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MySQL InnoDB Cluster: Automated Installation with Puppet

We saw yesterday that the new MySQL Shell was out and how we could create a MySQL InnoDB Cluster manually using the Shell. Today, I would like to show you how easy it is to create recipes to automate all the process. I have created a Puppet module that can be used as Proof-of-concept (You might need more features to … Read More

MySQL InnoDB Cluster: MySQL Shell starter guide

 Earlier this week,  MySQL Shell 1.08 has been released. This is the first Release Candidate of this major piece of MySQL InnoDB Cluster. Some commands have been changed and some new ones were added. For example the following useful commands were added: dba.checkInstanceConfiguration() cluster.checkInstanceState() dba.rebootClusterFromCompleteOutage() So let’s have a look on how to use the new MySQL Shell to create … Read More

MySQL Group Replication: about ack from majority

The documentation states that “For a transaction to commit, the majority of the group have to agree on the order of a given transaction in the global sequence of transactions.” This means that as soon as the majority of nodes member of the group ack the writeset reception, certification can start. So, as a picture is worth a 1000 words, … Read More

MySQL Group Replication… synchronous or asynchronous replication ?

After some feedback we received from early adopters or discussions during events like FOSDEM, I realized that there is some misconception about the type of replication that MySQL Group Replication is using. And even experts can be confused as Vadim’s blog post illustrated it. So, is MySQL Group Replication asynchronous or synchronous ?? … in fact it depends ! The … Read More

FOSDEM 2017 is over… this was again a great MySQL event !

FOSDEM 2017 is over, I brought back home the flu…. but hopefully not only ! Indeed this 2017 edition was very rewarding. We started our FOSDEM with a “fringe” : pre-FOSDEM MySQL Day where we highlighted MySQL 8.0 new features and hosted some talks from MySQL friends. This first edition of the pre-FOSDEM MySQL Day was a great success. We … Read More


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