Our result is the removal of the following directives: If in MySQL 5.7 it was possible to select the InnoDB format, then the 8th version already works And for caching queries, you can now use external tools - for example,Īlso outdated pro directives were found in the config Accordingly, it is necessary to remove the related directives. You should not use this instruction in this case. The Galera-based MySQL cluster upgrade procedure has its own subtleties that are not described in the article. We will analyze each item in the plan and see what can go wrong. Update the wizard by putting the same package. Update slave databases by installing the package MySQL tutorial on updating replicas and wizardsįix configuration files by removing obsolete directives. How to perform a similar operation with minimal downtime and what problems we encountered during the upgrade - read this article.Īny update of the database server is most likely connected with the migration of the database: changes in the requirements for limits on system resources and the correction of database configs that must be cleared of outdated directives.īefore updating, we will definitely turn to the official documentation: All this happened on the Ubuntu Linux 16.04 platform. Not so long ago, in one of our projects, it was time to upgrade cozy Percona Server 5.7 clusters to version 8. Progress does not stand still, so the reasons for upgrading to the latest versions of MySQL are becoming increasingly significant.
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