Starting with the experimental release of Percona XtraDB Cluster 8.0, we have made changes to the SST process to make the process more robust and easier to use.
- mysqldump and rsync are no longer supported SST methods.
Support for mysqldump was deprecated starting with PXC 5.7 and has now been completely removed.
MySQL 8.0 introduced a new Redo Log format that limited the use of rsync while upgrading from PXC 5.7 to 8.0. In addition, the new Galera-4 also introduced changes that further limits the use of rsync.
The only supported SST method is xtrabackup-v2.
- A separate Percona XtraBackup installation is no longer
The required …