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The JusDB Database Engineering Blog

Deep dives on PostgreSQL, MySQL, MongoDB and more — performance tuning, high availability, migrations and production war stories from our DBAs.

2 articles

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Latest Articles

Showing 2 of 2 articles

High Availability

MariaDB Galera Cluster Production Guide: Mariabackup, MaxScale & Schema Strategy

Production MariaDB Galera Cluster: mariabackup-based SST, MaxScale Galera-aware routing, schema-change strategy with TOI vs RSU, and a troubleshooting playbook for the failures that actually take down production.

MySQL17 minMay 3, 2026
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High Availability

MySQL Group Replication vs Galera Cluster: A 2025 Comparison

MySQL Group Replication and Galera Cluster both promise multi-primary high availability, but they behave very differently under load, network partitions, and node failures.

MySQL9 minJun 3, 2025
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