Planet MySQL HA Blog
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XA transactions now work in your Galera Cluster!
Well, that is more a catchy headline, than the reality: XA transactions work in your Galera Cluster Enterprise Edition (EE). This has been supported since our very first release with 8.0.28 Enterprise, right up till now, in 8.0.39 Enterprise. If you try to run an XA transaction in your regular Galera Cluster you’ll be given an error as such:
mysql> XA START 'xatest'; ERROR 1235 (42000): This version of MySQL doesn't yet support 'XA with wsrep replication plugin'However, with Galera Cluster E
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Customizing The MySQL Shell Prompt
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Monitoring: Prometheus and Grafana for MySQL Clustering with Tungsten
Prometheus and Grafana are open source tools that can be used for monitoring MySQL clusters. Prometheus can be used to collect metrics from MySQL clusters, and Grafana can be used to visualize the metrics. Starting with Tungsten v7, using the new Tungsten Prometheus Exporter feature, it’s become easy to leverage the best of these powerful monitoring tools.
Part of the reason v7+ makes monitoring simpler is that Prometheus metrics are exported by default. Metrics are available for f