1

We have a 3 node Galera cluster. I need to change the mysqld innodb_log_file_size parameter (see Changing the Number or Size of InnoDB Redo Log Files).

I do this by stopping all 3 nodes and disabling Puppet. Can I do this change online with Galera? How?

> select VERSION();
+----------------------+
| VERSION()            |
+----------------------+
| 5.5.41-MariaDB-wsrep |
+----------------------+
1 row in set (0.00 sec)
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The InnoDB redo log files are independent of galera. Because of this, you should be able to change the redo log configuration by doing a rolling restart and following the procedure in the link you referenced.

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