mysql-multi-master-state-of-art-2013-04-24_0
mysql-multi-master-state-of-art-2013-04-24_0
mysql-multi-master-state-of-art-2013-04-24_0
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Eventual Consistency Algoritm<br />
• NDB has built-in cross-cluster con"ict<br />
detection based on epochs and primary keys<br />
• Updates to primary always succeed<br />
•<br />
Update to backup may be rolled back if primary<br />
has a con"icting update<br />
• MySQL Cluster resends updates from the<br />
primary to “cure” con"icts on the slave<br />
Caveat: I am not a MySQL Cluster expert<br />
©Continuent <strong>2013</strong><br />
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