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Ceri Williams
Ceri is a Senior Technical Operations Engineer at Percona. He has previously worked in a variety of industries ranging from telecoms to skin care and online travel, nearly always with a database by his side for more than 10 years. Living in the Welsh Marches area of the UK, Ceri enjoys the rural life and beautiful countryside whenever possible.

Configuring a Read-Only Web Interface for Orchestrator

In the MySQL ecosystem, orchestrator is the most popular and well-respected high availability and topology management tool, integrating well with other solutions such as ProxySQL. It facilitates automatic (or manual) discovery, refactoring and recovery of a replicated MySQL environment, and comes complete with both command-line (CLI) and web interfaces for both humans and machines to […]

MySQL 8.0 Bug 94394, Fixed!

Last week I came across a bug in MySQL 8.0, which meant that the absence of mysql.user leads to auto-apply of –skip-grant-tables (#94394) would leave MySQL running in an undesirable state. My colleague Sveta Smirnova blogged about the issue and it also caught the interest of Valeriy Kravchuk in Fun with Bugs #80 – On […]

The Importance of mysqlbinlog –version

When deciding on your backup strategy, one of the key components for Point In Time Recovery (PITR) will be the binary logs. Thankfully, the mysqlbinlog command allows you to easily take binary log backups, including those that would otherwise be encrypted on disk using encrypt_binlog=ON.

MySQL 8.0.4 RC: auth_socket Users Beware!

The news that the latest MySQL 8.0.4 RC (release candidate) is available is indeed exciting. Unfortunately for users of the auth_socket plugin, dangers lie in wait! Back in November 2015, I reported Failure of auth_socket authentication with sha256_password as default. This prevents users that identify with the auth_socket plugin from logging in after SHA256 authentication has been […]

Using Vault with MySQL

Using Vault with MySQL In my previous post I discussed using GPG to secure your database credentials. This relies on a local copy of your MySQL client config, but what if you want to keep the credentials stored safely along with other super secret information? Sure, GPG could still be used, but there must be […]