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1. #In place migration from mysql enterprise to percona server full#
2. #In place migration from mysql enterprise to percona server password#

Selectively (dependent on queries) or off. Query-cache-type - Specify 'ON', 'DEMAND' or 'OFF' to turn query cache on, To use percentage of machine's total memory. Kilobyte, megabyte, gigabyte or terabyte respectively. Suffix value with 'K', 'M', 'G' or 'T' to indicate unit of 'fast' relaxes theĬompliance for performance and 'unsafe' will remove most restrictions.ĭataset-size - Memory allocation for all caches (InnoDB buffer pool, MyISAM

#In place migration from mysql enterprise to percona server full#

Specify 'safest' for full ACID compliance. This option determines the flush value for innodb commitĪnd binary logs. Tuning-level - Specify 'safest', 'fast' or 'unsafe' to choose required First in the list is marked as default storage engine. Preferred-storage-engine - A comma separated list of storage engines to Max-connections - Maximum connections allowed to server or '-1' for default. You can tweak various options to optimize your MySQL deployment: Refer to the appropriate charm for usage. This charm provides relations that support monitoring via either Nagios or Munin. You can add further slaves with: juju add-unit mysql-slave The slave should be treated strictly as read only.

Juju add-relation mysql:master mysql-slave:slaveĪny changes to the master are reflected on the slave.Īny queries that modify the database(s) should be applied to the master only. To deploy a slave: # deploy second service Use a slave to perform backups, all whilst not impeding the master's ThisĪllows you, for example, to load balance read queries across multiple slaves or MySQL supports the ability to replicate databases to slave instances. Juju config mysql backup_retention_count=28 Juju config mysql backup_dir="/mnt/backup" Optionally you can override default backup_dir and/or backup_retention_count: juju config mysql backup_schedule="45 5 * * *" # cron formatted schedule To enable them set backup_schedule option. Mysql -u root -p`sudo cat /var/lib/mysql/mysql.passwd` To log in as root MySQL User at the MySQL console you can issue the following: juju ssh mysql/0

#In place migration from mysql enterprise to percona server password#

Once deployed, you can retrieve the MySQL root user password by logging in to the machine via juju ssh and readin the /var/lib/mysql/mysql.passwd file. To deploy a MySQL service: juju deploy mysql It is a drop-in replacement for MySQL and features XtraDB, a drop-in replacement for the InnoDB storage engine. which focuses on maximizing performance, particularly for heavy workloads. This charm also can deploy Percona Server is fork of MySQL by Percona Inc. The main goals of MySQL are speed, robustness and ease of use. SQL (Structured Query Language) is the most popular database query language in the world. MySQL is a fast, stable and true multi-user, multi-threaded SQL database server.