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Can I run two data nodes on a single host? Two SQL nodes?

April 26, 2017Data host nodes run sql

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Can I run two data nodes on a single host? Two SQL nodes?

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Yes, it is possible to do this. In the case of multiple data nodes, it is advisable (but not required) for each node to use a different data directory. If you want to run multiple SQL nodes on one machine, each instance of mysqld must use a different TCP/IP port. However, running more than one cluster node of a given type per machine is not supported for production use.