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Re: Split NDB data node sync
Posted by: Mikael Ronström
Date: April 20, 2018 06:48PM

Changing number of replicas requires a backup and restore.
When communication between data nodes is disconnected only one
of them will survive, both will connect to the MGM server and the
first one will get permission to continue, the other will not get
this permission. This is called Arbitration in NDB.

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