Archive for April 2015

The behavior of gtid_strict_mode in MariaDB

GTIDs in MariaDB are a nice improvement to replication and make fail-over a simpler process. I struggled a little with the explanation of gtid_strict_mode and what to expect. So I thought I’d run through a simple scenario to make my own understanding clear. In this scenario I have created two instances of MySQL; primary and secondary. […]

Better “read_only” slaves in MariaDB / MySQL

UPDATE: As of MySQL 5.7.8 there is super_read_only so use this instead of this trick. It’s always been an annoyance that read_only in MySQL actually means “read only apart from those with the SUPER priv”. Now I know it’s best practice not to give this permission out to users but sometimes we are stuck with the choices […]

Table & Tablespace encryption in MariaDB 10.1.3

Here’s just a few notes detailing my investigations into table & tablespace encryption in MariaDB 10.1.3. Table Encryption First Generate encryption keys ?View Code BASHlinux> openssl enc -aes-256-cbc -k secretPassword -P -md sha1 Next build your key file from the above output. This should be in the following format.. 1;<iv>;<key> This will look something like… […]