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mysql> show variables like '%timeout%';
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| Variable_name¡¡¡¡¡¡¡¡¡¡¡¡| Value  |
+--------------------------+-------+
| connect_timeout¡¡¡¡¡¡¡¡  | 5¡¡¡¡¡¡|
| delayed_insert_timeout¡¡ | 300¡¡ |
| innodb_lock_wait_timeout| 50¡¡¡¡ |
| interactive_timeout¡¡¡¡¡¡ | 28800 |
| net_read_timeout¡¡¡¡¡¡¡¡| 30¡¡¡¡ |
| net_write_timeout¡¡¡¡¡¡  | 60¡¡¡¡ |
| slave_net_timeout¡¡¡¡¡¡  | 3600¡¡|
| wait_timeout¡¡¡¡¡¡¡¡¡¡¡¡ | 28800 |
+--------------------------+-------+
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Each MySQL Cluster host computer running an SQL node must have
installed on it a MySQL binary. For management nodes and data
nodes, it is not necessary to install the MySQL server binary, but
management nodes require the management server daemon
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Initial Startup of MySQL Cluster


Starting the cluster is not very difficult after it has been configured. Each cluster node process must be started separately, and on the host where it resides. The management node should be started first, followed by the data nodes, and then finally by any SQL nodes:
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