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 # Database Cluster Tuning Add-On
 
 The default configurations of the MySQL/MariaDB database clusters are suitable for a limited number of cases only. If you want to achieve the best performance from your cluster, personalized optimizations are needed.
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+<p align="center"><img style="padding: 0 15px; float: left;" src="images/db-failover-red.png" width="70"></p>
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 # MySQL/MariaDB Primary-Secondary Auto-Failover Add-On
 
 The add-on is aimed to complement the MySQL/MariaDB Primary-Secondary implementation by handling its main flaw - no automatic failover upon primary failure. As a result, you get the consistency of the Primary-Secondary scheme (i.e. exactly one node to modify data) and simultaneously get auto-failover similar to Primary-Primary.