Mid September, MySQL Community, MySQL Customers and MySQL Engineers will be in San Francisco to share their experience and present the new features of your favorite database ! The event will be held in Moscone South (just Mirko Ortensi‘s Hands-on Lab will be delivered in Moscone West). During the week, the MySQL Community Team will host the traditional MySQL Reception. … Read More
Answering this question is not easy. Like always, the best response is “it depends” ! But let’s try to give you all the necessary info the provide the most accurate answer. Also, may be fixing one single query is not enough and looking for that specific statement will lead in finding multiple problematic statements. The most consuming one The first … Read More
Recently, PeterZ pointed a huge difference in memory usage of MySQL 8.0 compare to MySQL 5.7. This can be an issue for small instances if the same configuration for buffers like the buffer pool are not changed. As explained in Peter’s article, this can lead to the awakening of the so feared OOM Killer ! MorganT, pointed accurately in his … Read More
When somebody wants to migrate from a single MySQL instance to a full HA solution using MySQL InnoDB Cluster, the best solution to reduce the downtime is to use asynchronous replication and switch database only once at a certain point in time when everything is ready. This is almost what I explained already in this post. The most difficult part … Read More
In MySQL 8.0, when using invalid values for date data types, an error is returned. This was not the case in 5.x versions.
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