lefred's blog


There Are 10 Types of People in the World....

the MySQL Team in Austin, TX

At the end of the month, some engineers of the MySQL Team will be present in Austin, TX ! We will attend the first edition of Percona Live USA in Texas. During that show, you will have the chance to meet key engineers, product managers, as well as Dave and myself. Let me present you the Team that will be … Read More


MySQL InnoDB Cluster : Recovery Process Monitoring with the MySQL Shell Reporting Framework

As explained in this previous post, it’s now (since 8.0.16) possible to use the MySQL Shell Reporting Framework to monitor MySQL InnoDB Cluster. Additionally, when a member of the MySQL InnoDB Cluster’s Group leaves the group for any reason, or when a new node is added from a backup, this member needs to sync up with the other nodes of … Read More


Using the new MySQL Shell Reporting Framework to monitor InnoDB Cluster

With MySQL Shell 8.0.16, a new very interesting feature was released: the Reporting Framework. Jesper already blogged about it and I recommend you to read his articles if you are interested in writing your own report: https://mysql.wisborg.dk/2019/04/26/mysql-shell-8-0-16-built-in-reports/ https://mysql.wisborg.dk/2019/04/27/mysql-shell-8-0-16-user-defined-reports/ I this post, I will show you one user-defined report that can be used to monitor your MySQL InnoDB Cluster / Group … Read More


MySQL InnoDB Cluster : avoid split-brain while forcing quorum

We saw yesterday that when an issue (like network splitting), it’s possible to remain with a partitioned cluster where none of the partition have quorum (majority of members). For more info read how to manage a split-brain situation.


MySQL InnoDB Cluster – how to manage a split-brain situation

Everywhere I go to present MySQL InnoDB Cluster, during the demo of creating a cluster, many people doesn’t understand why when I’ve 2 members, my cluster is not yet tolerant to any failure.


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