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Deploy a three‑node MariaDB Galera Cluster for synchronous replication and zero‑loss failover. Includes prerequisites, configuration, bootstrapping, health checks, recovery, and operational caveats.
Step-by-step guide to deploying a three-node MariaDB Galera Cluster with synchronous multi-master replication, covering installation, configuration, bootstrap, verification, and recovery procedures for high-availability workloads.
We have a insert only table for which we often get bad results due to query plan using nested loops instead of hash joins. To solve this we have to run ANALYZE manually (vacuum sometimes don't run on insret only tables, long story, not the point here). When I try to run analyze on replica machine, I get ERROR: cannot execute ANALYZE during recovery error. So
mariadb
postgresql