Author - Francisco Bordenave

Give Love to Your SSDs – Reduce innodb_io_capacity_max!

reduce innodb io capacity max

The innodb_io_capacity and innodb_io_capacity_max are often misunderstood InnoDB parameters. As consultants, we see, at least every month, people setting this variable based on the top IO write specifications of their storage. Is this a correct choice? Is it an optimal value for performance? What about the SSD/Flash wear leveling?
Innodb_io_capacity 101
Let’s begin with what […]

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Debugging MariaDB Galera Cluster SST Problems – A Tale of a Funny Experience

MariaDB galera cluster starting time

Recently, I had to work on an emergency for a customer who was having a problem restarting a MariaDB Galera Cluster. After a failure in the cluster they decided to restart the cluster entirely following the right path: bootstrapping the first node, and then adding the rest of the members, one by one. Everything […]

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InnoDB Cluster in a Nutshell Part 3: MySQL Shell

MySQL InnoDB Cluster MySQL Shell

Welcome to the third part of this series. I’m glad you’re still reading, as hopefully this means you find this subject interesting at least. Previously we presented the first two components of MySQL InnoDB Cluster: Group Replication and MySQL Router and now we will discuss the last component, MySQL Shell.
MySQL Shell
This is the last component […]

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