OlgaGusarenko
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README.rst
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| @@ -1,9 +1,12 @@ | |||
| ====== | |||
| Galera | |||
| ====== | |||
| ===== | |||
| Usage | |||
| ===== | |||
| Galera Cluster for MySQL is a true Multimaster Cluster based on synchronous replication. Galera Cluster is an easy-to-use, high-availability solution, which provides high system uptime, no data loss and scalability for future growth. | |||
| Galera Cluster for MySQL is a true Multimaster Cluster based on synchronous | |||
| replication. Galera Cluster is an easy-to-use, high-availability solution, | |||
| which provides high system uptime, no data loss and scalability for future | |||
| growth. | |||
| Sample pillars | |||
| ============== | |||
| @@ -136,16 +139,23 @@ Additional check params: | |||
| Configurable soft parameters | |||
| ============================ | |||
| - **galera_innodb_buffer_pool_size** - the default value is 3138M | |||
| - **galera_max_connections** - the default value is 20000 | |||
| - **galera_innodb_read_io_threads** - the default value is 8 | |||
| - **galera_innodb_write_io_threads** - the default value is 8 | |||
| - **galera_wsrep_slave_threads** - the default value is 8 | |||
| - **galera_xtrabackup_parallel** - the default value is 4 | |||
| - **galera_error_log_enabled** - the default value is 'false' | |||
| - ``galera_innodb_buffer_pool_size`` | |||
| Default is ``3138M`` | |||
| - ``galera_max_connections`` | |||
| Default is ``20000`` | |||
| - ``galera_innodb_read_io_threads`` | |||
| Default is ``8`` | |||
| - ``galera_innodb_write_io_threads`` | |||
| Default is ``8`` | |||
| - ``galera_wsrep_slave_threads`` | |||
| Default is ``8`` | |||
| - ``galera_xtrabackup_parallel`` | |||
| Default is 4 | |||
| - ``galera_error_log_enabled`` | |||
| Default is ``false`` | |||
| Usage: | |||
| .. code-block:: yaml | |||
| _param: | |||
| @@ -157,7 +167,6 @@ Usage: | |||
| galera_xtrabackup_parallel: 2 | |||
| galera_error_log_enabled: true | |||
| Usage | |||
| ===== | |||
| @@ -175,12 +184,12 @@ Galera monitoring command, performed from extra server | |||
| garbd -a gcomm://ipaddrofone:4567 -g my_wsrep_cluster -l /tmp/1.out -d | |||
| 1. salt-call state.sls mysql | |||
| 2. Comment everything starting wsrep* (wsrep_provider, wsrep_cluster, wsrep_sst) | |||
| 3. service mysql start | |||
| 4. run on each node mysql_secure_install and filling root password. | |||
| #. salt-call state.sls mysql | |||
| #. Comment everything starting wsrep* (wsrep_provider, wsrep_cluster, wsrep_sst) | |||
| #. service mysql start | |||
| #. run on each node mysql_secure_install and filling root password. | |||
| .. code-block:: bash | |||
| .. code-block:: bash | |||
| Enter current password for root (enter for none): | |||
| OK, successfully used password, moving on... | |||
| @@ -228,16 +237,18 @@ Galera monitoring command, performed from extra server | |||
| Cleaning up... | |||
| 5. service mysql stop | |||
| 6. uncomment all wsrep* lines except first server, where leave only in my.cnf wsrep_cluster_address='gcomm://'; | |||
| 7. start first node | |||
| 8. Start third node which is connected to first one | |||
| 9. Start second node which is connected to third one | |||
| 10. After starting cluster, it must be change cluster address at first starting node without restart database and change config my.cnf. | |||
| #. service mysql stop | |||
| #. uncomment all wsrep* lines except first server, where leave only in | |||
| my.cnf wsrep_cluster_address='gcomm://'; | |||
| #. start first node | |||
| #. Start third node which is connected to first one | |||
| #. Start second node which is connected to third one | |||
| #. After starting cluster, it must be change cluster address at first starting node | |||
| without restart database and change config my.cnf. | |||
| .. code-block:: bash | |||
| .. code-block:: bash | |||
| mysql> SET GLOBAL wsrep_cluster_address='gcomm://10.0.0.2'; | |||
| mysql> SET GLOBAL wsrep_cluster_address='gcomm://10.0.0.2'; | |||
| Read more | |||
| ========= | |||
| @@ -246,37 +257,31 @@ Read more | |||
| * http://www.sebastien-han.fr/blog/2012/04/15/active-passive-failover-cluster-on-a-mysql-galera-cluster-with-haproxy-lsb-agent/ | |||
| * http://opentodo.net/2012/12/mysql-multi-master-replication-with-galera/ | |||
| * http://www.codership.com/wiki/doku.php | |||
| * Best one: - http://www.sebastien-han.fr/blog/2012/04/01/mysql-multi-master-replication-with-galera/ | |||
| * http://www.sebastien-han.fr/blog/2012/04/01/mysql-multi-master-replication-with-galera/ | |||
| Documentation and Bugs | |||
| Documentation and bugs | |||
| ====================== | |||
| To learn how to install and update salt-formulas, consult the documentation | |||
| available online at: | |||
| http://salt-formulas.readthedocs.io/ | |||
| In the unfortunate event that bugs are discovered, they should be reported to | |||
| the appropriate issue tracker. Use Github issue tracker for specific salt | |||
| formula: | |||
| https://github.com/salt-formulas/salt-formula-galera/issues | |||
| For feature requests, bug reports or blueprints affecting entire ecosystem, | |||
| use Launchpad salt-formulas project: | |||
| https://launchpad.net/salt-formulas | |||
| * http://salt-formulas.readthedocs.io/ | |||
| Learn how to install and update salt-formulas | |||
| You can also join salt-formulas-users team and subscribe to mailing list: | |||
| * https://github.com/salt-formulas/salt-formula-galera/issues | |||
| In the unfortunate event that bugs are discovered, report the issue to the | |||
| appropriate issue tracker. Use the Github issue tracker for a specific salt | |||
| formula | |||
| https://launchpad.net/~salt-formulas-users | |||
| * https://launchpad.net/salt-formulas | |||
| For feature requests, bug reports, or blueprints affecting the entire | |||
| ecosystem, use the Launchpad salt-formulas project | |||
| Developers wishing to work on the salt-formulas projects should always base | |||
| their work on master branch and submit pull request against specific formula. | |||
| * https://launchpad.net/~salt-formulas-users | |||
| Join the salt-formulas-users team and subscribe to mailing list if required | |||
| https://github.com/salt-formulas/salt-formula-galera | |||
| * https://github.com/salt-formulas/salt-formula-galera | |||
| Develop the salt-formulas projects in the master branch and then submit pull | |||
| requests against a specific formula | |||
| Any questions or feedback is always welcome so feel free to join our IRC | |||
| channel: | |||
| * #salt-formulas @ irc.freenode.net | |||
| Use this IRC channel in case of any questions or feedback which is always | |||
| welcome | |||
| #salt-formulas @ irc.freenode.net | |||
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