Setting Up Master-Master Replication On Four Nodes With MySQL 5 On Debian EtchNov 22, 2008, 03:03 (0 Talkback[s])
(Other stories by Falko Timme)
[ Thanks to Falko Timme for this link. ]
"Since version 5, MySQL comes with built-in support for master-master replication, solving the problem that can happen with self-generated keys. In former MySQL versions, the problem with master-master replication was that conflicts arose immediately if node A and node B both inserted an auto-incrementing key on the same table. The advantages of master-master replication over the traditional master-slave replication are that you don't have to modify your applications to make write accesses only to the master, and that it is easier to provide high-availability because if the master fails, you still have the other master."
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