(abhinav prasad gupta) An application might face this issue when all the defined max_connections parameter value is exhausted.

(Frederic Descamps) To operate more easily a MySQL Group Replication (InnoDB Cluster), the Group Replication plugins provides some UDFs.

(Nilnandan Joshi) Recently, I was working on one of the support ticket where customer was complaining that when he change datadir location by copying datadir from C: to F:, set mysql permissions and changing location in my.ini, he could not able to start mysql.

(Tiago Vale) In a previous blog post we presented the message fragmentation functionality that you can use starting with MySQL Group Replication 8.0.16.

(Paul Namuag) In our previous blogs, we discussed MHA as a failover tool used in MySQL master-slave setups.

(Olivier Dasini) MySQL (really) supports CHECK CONSTRAINT since version 8.0.16.

(Krzysztof Ksiazek) HAProxy and ProxySQL are both very popular load balancers in MySQL world, but there is a significant difference between both those proxies.

MySQL Server generates several logs that can help you monitor the activities of the server.

(Yngve Svendsen) MySQL has grown over the years, with much richer functionality and indeed support for whole new usage scenarios.

(Ricardo Ferreira) With the release of version 8.0.16 of MySQL, we’ve added some features to the Group Replication (GR) plugin, in order to enhance its high-availability capacities.