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Setup high availability for ProxySQL via KeepAlived in AWS

Usually application do not connect directly to Percona XtraDB Cluster, but go through a proxy – ProxySQL, for instance. However if only one proxy node is used it becomes a single point of failure. Not long ago Marco Tusa wrote about how to configure two ProxySQL nodes in front of XtraDB cluster. If deployed on EC2 instances it […]

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