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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.


MySQL InnoDB Cluster – consistency levels

Consistency during reads have been a small concern from the adopters of MySQL InnoDB Cluster (see this post and this one). This is why MySQL supports now (since 8.0.14) a new consistency model to avoid such situation when needed. Nuno Carvalho and Aníbal Pinto already posted a blog series I highly encourage you to read: Group Replication – Consistency Levels … Read More


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