In this post, we introduce a configuration option that controls whether replication channels allow the creation of tables without primary keys. This continues our recent work on replication security, where we allowed users to enforce privilege checks, and/or enforce row-based events.…
Category Archives: Configuration
Replication with restricted privileges
Up until MySQL 8.0.18, the slave executes replicated transactions without checking privileges. It does so to be able to apply everything that its upstream server (the master) tells it to. In practice this means that the slave fully trusts its master.…
binlog-row-event-max-size system variable in MySQL 8.0.14
As you may have noticed by now, we are continuously improving and enhancing the experience of managing a MySQL server. Furthermore, we have also released tools, such as MySQL shell, that make advanced and distributed setups like creating, deploying, and running clusters of InnoDB instances, seamless to the end user.…
Binary log encryption at rest
Starting in version 8.0.14, MySQL server can encrypt all new binary and relay log files on disk. In order to do so, you just need to enable the new binlog_encryption option (and also ensure that you have a keyring).…
MySQL Replication Defaults After 5.7
The default or “out of the box” experience is simply the experience for most people, so it’s critically important for us to ensure that the default configuration offers a good experience for the vast majority of cases. This is always a challenge, due to the matrix of factors involved–hardware configurations, software stacks, application use cases, etc.–but…