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Re: Replication and HA - some basic questions
Posted by: Rick James
Date: March 25, 2016 06:58PM

My short answer for the "best" HA today: Galera.

Deploy MariaDB with Galera. Have 3 (or more) nodes scattered in 3 (or more) geographical locations. Put some form of proxy / load-balancer in front of them (several exist). Then you will be imune to virtually any "single point of failure", including disk failure, server failure, datacenter outage, etc.

And Galera-based solutions are multi-master, and "self healing".

MHA and Orchestrator are the chief contenders. Oracle's Fabric is getting close, the the Fabric node is a SPOF. If it fails, all clients stop.

Multi-master (and writing to all masters) is a nightmare in certain failure cases.

Galera requires InnoDB only, and ROW based replication. (You brought these up.)

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Re: Replication and HA - some basic questions
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