feat: add mariadb and mysql differences
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1 changed files with 70 additions and 12 deletions
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@ -1,6 +1,6 @@
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# MySQL / MariaDB replication
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# MySQL / MariaDB replication
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This is tested on MariaDB 11.
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This is tested on MariaDB 11 and MySQL 8.0.
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## Prepare source server/database
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## Prepare source server/database
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@ -10,6 +10,8 @@ This is tested on MariaDB 11.
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/etc/mysql/conf.d/mysqld.cnf
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/etc/mysql/conf.d/mysqld.cnf
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```
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```
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MariaDB:
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```shell
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```shell
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[mysqld]
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[mysqld]
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server-id = 1
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server-id = 1
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@ -21,7 +23,22 @@ gtid_strict_mode = 1
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log_slave_updates = 1
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log_slave_updates = 1
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```
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```
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MySQL:
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```shell
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[mysqld]
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server-id = 1
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log_bin = /var/lib/mysql/mysql-bin.log
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binlog_format = ROW
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binlog-expire-logs-seconds = 172800
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max_binlog_size = 100M
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gtid_mode = ON
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enforce_gtid_consistency = ON
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log_slave_updates = 1
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```
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Restart mariadb: `systemctl restart mariadb`
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Restart mariadb: `systemctl restart mariadb`
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Restart mysql: `systemctl restart mysql`
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### Create replication user
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### Create replication user
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@ -38,15 +55,16 @@ FLUSH PRIVILEGES;
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### Create database dump
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### Create database dump
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MariaDB:
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```shell
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```shell
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mariadb-dump -u root -psupersecuresource --single-transaction --gtid --master-data=1 --databases databeast > /tmp/databeast.sql
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mariadb-dump -u root -psupersecuresource --single-transaction --gtid --master-data=1 --databases databeast > /tmp/databeast.sql
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```
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```
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Or feel lucky with pipes... Execute this from the replica host.
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MySQL:
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```shell
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```shell
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mysql -u root -p -e "CREATE DATABASE IF NOT EXISTS databeast;"
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mysqldump -u root -psupersecuresource --single-transaction --set-gtid-purged=ON --source-data=1 --databases databeast > /tmp/databeast.sql
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mariadb-dump -h source.example.com -u root -p --single-transaction --databases databeast | pv | mysql -u root -p
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```
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```
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## Configure replicate
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## Configure replicate
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@ -57,6 +75,8 @@ mariadb-dump -h source.example.com -u root -p --single-transaction --databases d
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/etc/mysql/conf.d/mysqld.cnf
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/etc/mysql/conf.d/mysqld.cnf
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```
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```
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MariaDB:
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```shell
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```shell
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[mysqld]
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[mysqld]
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server-id = 2
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server-id = 2
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log_slave_updates = 1
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log_slave_updates = 1
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```
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```
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MySQL:
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```shell
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[mysqld]
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server-id = 2
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relay_log = /var/lib/mysql/mysql-relay-bin
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read_only = 1
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replicate-do-db = databeast
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log_bin = /var/lib/mysql/mysql-bin.log
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binlog_format = ROW
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binlog-expire-logs-seconds = 172800
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max_binlog_size = 100M
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gtid_mode = ON
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enforce_gtid_consistency = ON
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log_slave_updates = 1
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```
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Restart mariadb: `systemctl restart mariadb`
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Restart mariadb: `systemctl restart mariadb`
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Restart mysql: `systemctl restart mysql`
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### Copy database dump
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### Copy database dump
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@ -86,23 +124,31 @@ mysql -u root -p < /tmp/databeast.sql
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### Import in one go
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### Import in one go
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If you feel lucky with pipes...
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MariaDB:
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```shell
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```shell
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mariadb-dump -h source.example.com \
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mysql -u root -p -e "CREATE DATABASE IF NOT EXISTS databeast;"
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-u replicator \
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mariadb-dump -h source.example.com -u root -p --single-transaction --databases databeast | mysql -u root -psupersecure
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-psupersecure \
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--single-transaction \
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--gtid \
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--master-data=1
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--databases databeast | \
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mysql -u replicator -psupersecure databeast
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```
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```
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MySQL:
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```shell
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mysql -u root -psupersecuresource -e "CREATE DATABASE IF NOT EXISTS databeast;"
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mysqldump -u root -h source.example.com -psupersecuresource --single-transaction --set-gtid-purged=ON --source-data=1 --databases pms | mysql -u root -psupersecure
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```
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### Activate replication
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### Activate replication
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```shell
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```shell
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mysql -u root -p
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mysql -u root -p
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```
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```
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MariaDB:
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```shell
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```shell
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STOP SLAVE;
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STOP SLAVE;
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RESET SLAVE;
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RESET SLAVE;
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@ -114,6 +160,18 @@ CHANGE MASTER TO
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START SLAVE;
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START SLAVE;
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```
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```
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MySQL:
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```shell
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STOP REPLICA;
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RESET REPLICA;
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CHANGE REPLICATION SOURCE TO
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SOURCE_HOST='source.example.com',
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SOURCE_USER='replicator',
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SOURCE_PASSWORD='supersecure',
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SOURCE_AUTO_POSITION=1;
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START REPLICA;
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```
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## Monitor replication
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## Monitor replication
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```shell
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```shell
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