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MySQL Enterprise Backup 8.0 Release Notes  /  Changes in MySQL Enterprise Backup 8.0.14 (2019-01-21, General Availability)

Changes in MySQL Enterprise Backup 8.0.14 (2019-01-21, General Availability)

MySQL Enterprise Backup 8.0.14 is the latest release for MySQL Enterprise Backup. It only supports MySQL Server 8.0.14. For earlier versions of MySQL 8.0, use the MySQL Enterprise Backup version with the same version number as the server. For MySQL server 5.7, please use MySQL Enterprise Backup 4.1, and for MySQL Server 5.6 and 5.5, please use MySQL Enterprise Backup 3.12.

Functionality Added or Changed

Bugs Fixed

  • When working with a Group Replication cluster, mysqlbackup quit unexpectedly near the end of a backup operation when, in order to write to the backup_history table, it tried to connect with an unencrypted connection to one of the nodes on which the backup user had not logged on before. It was because, as a user created with the caching_sha2_password plugin (enabled by default on MySQL 8.0 servers), the backup user must log on with an encrypted connection when it connects to the server for the first time; the attempt to log on thus failed, and mysqlbackup could not handle the failure. With this fix, at such failures, mysqlbackup quits gracefully with the warning that the backup operation is finished without updates to the backup history. (Bug #28893180)

  • An apply-incremental-backup operation failed with an error (RDR1 ERROR: Unable to remove relaylog files from full backup) when the incremental backup was created with the --compress option. (Bug #28366241)

  • mysqlbackup quit unexpectedly during an apply-incremental-backup operation if the backed up server had been started using relative paths for --datadir and --log-bin. (Bug #28334521)

  • Attempts to restore a backup of a MySQL 5.7 Server to a MySQL 8.0 Server resulted in a strange error message (Server_version is not obtained). With this fix, mysqlbackup now indicates that the operation is not supported. For related information, see Restoring a Backup with a Database Server Upgrade or Downgrade. (Bug #27952379)

  • After restoring an incremental folder backup and putting its binary log at a specified location different from that for the base backup, the older binary log files of the base backup were not removed by mysqlbackup. (Bug #27890472)

  • mysqlbackup quit unexpectedly when backing up a MySQL Server of release 8.0.12 or later for the first time if the ALTER privilege on the mysql.backup_history_new table had not been granted to the MySQL user with which mysqlbackup connected to the server. With this fix, mysqlbackup quits gracefully in the situation after throwing the proper error.

    Also, the CREATE, INSERT, and DROP privileges on mysql.backup_history_old and CREATE, INSERT, DROP, and ALTER privileges on mysql.backup_history_new are now required only for backing up for the first time a MySQL Server that has been upgraded from 8.0.11 or earlier and has been backed up by MySQL Enterprise Backup before. (Bug #27879530, Bug #28546256)

  • Partial backups sometimes failed because full-text index files had their file names matched by the regular expression provided by the --include-tables option, and the files were then handled as ordinary tablespace files by mysqlbackup. With this fix, mysqlbackup excludes any full-text index files from backups. (Bug #25044900)