Web based management interface for ProxySQL: https://proxyweb.org https://github.com/edmodo/proxyw..
MySQL 8.x not only requires that the datadir be empty when initializing, but also the directory designated as the temp directory. If the temp directory is not empty, the –initialize flag will not throw an error as it does if the datadir isn’t clean; rather, it will cause a “Data Dictionary initialization failed” message on ..
After you configure all PXC nodes, initialize the cluster by bootstrapping the first node. The initial node should be the one that contains all your data, which you want to be replicated to other nodes. Bootstrapping implies starting the node without any known cluster addresses. If the wsrep_cluster_address variable is empty, Percona XtraDB Cluster assumes ..
These are online, self-guided ways for developers wishing to gain more RDBMS understanding (or have a refresher course) in the two most ubiquitous platforms — MySQL and PostgreSQL. I add and remove from this list from time to time as material becomes outdated or better bits are found. Disclaimer: I didn’t have a hand in ..