(Peter Gulutzan) It has been seven years since the last time I blogged about generated columns, and a lot has happened — now both MariaDB and MySQL support them. So it’s time to look again, see how well they’re doing, and compare to the SQL standard’s Optional feature T175 Generated columns.
Tag: Open Source
The magical abandoned .ibd files after crash recovery with MySQL 5.7.10
(Shahriyar Rzayev) If you are running ‘OPTIMIZE TABLE’ or altering ‘TABLESPACE’ just be careful not to kill MySQL service while running these commands 🙂
How To Speed Up MySQL Restart (hint: just like before, but this time for real)
(Aurimas Mikalauskas) Restating MySQL can be really annoying. You just want to disable the goddamn query cache and it takes forever (read 5-10 minutes) to shutdown, not to mention the warm-up time.
Group Replication — an Overview
(Matt Lord) Within the MySQL team, we’re extremely excited about Group Replication! More and more of our users are also starting to become aware of this exciting feature–which offers native synchronous replication with support for multi-master or active/active update-anywhere replication clusters.
New and old ways to emulate CHECK constraints, DOMAIN
(Guilhem Bichot) Correctness of data comes in different forms. One is referential integrity, also known as foreign keys. Another is CHECK constraints.
Looking for the smallest possible MySQL Footprint
(Mario Beck) MySQL is known and famous for it’s simplicity and small size, especially compared to other RDBMSs. But what if you want to deploy on tiny hardware? I mean something even smaller than RaspberryPi?
MySQL Enterprise Backup (MEB) and Oracle Storage Cloud
(Sahil Binani) MEB 3.12.0 and above support cloud backup and restore using OpenStack-compatible object stores (“Swift”). This allows MySQL database users with Oracle Storage Cloud account to take backups and store them directly in the cloud and restore them from there.
A safer MySQL box in Docker
(Giuseppe Maxia) The MySQL team has been maintaining a MySQL image on Docker. They have been listening to requests from the community and reacting quickly. So far, they have fixed two bugs that I reported and introduced a feature request that I suggested to make the server more secure.
Extend MySQL Master HA (MHA) capabilities with MHA Helper
(Ovais Tariq) I have used many tools starting with MMM to be able to manage MySQL replication clusters. Some of the tools require additional tools and complex HA solutions such as Pacemaker and Corosync, or Zookeeper. While other tools do not do the failover well which leaves the slaves in an incons
Why log_slave_updates is a bad default
(Giuseppe Maxia) In a recent post the MySQL product managers asked the community for feedback about proposed new defaults. One of the proposals is to make log-slave-updates on by default.
