5.7.21 is now in Bionic, so I believe this bug is fixed on all supported Ubuntu releases that have MySQL 5.7 (Xenial onwards).
** Changed in: mysql-5.7 (Ubuntu) Status: In Progress => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1706291 Title: MySQL-5.7: default log-tc-size too small on POWER. 3 * ( 64K page size) minimum needed To manage notifications about this bug go to: https://bugs.launchpad.net/mysql-server/+bug/1706291/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs